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  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:label id="lab_abr_WorkingCapitalFacility35MillionMember_d5282eaa-2432-48ca-978c-ccb731614793_terseLabel_en-US" xlink:label="lab_abr_WorkingCapitalFacility35MillionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$35M working capital facility</link:label>
    <link:label id="lab_abr_WorkingCapitalFacility35MillionMember_label_en-US" xlink:label="lab_abr_WorkingCapitalFacility35MillionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">$35M working capital facility</link:label>
    <link:label id="lab_abr_WorkingCapitalFacility35MillionMember_documentation_en-US" xlink:label="lab_abr_WorkingCapitalFacility35MillionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to the $35M working capital facility.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_WorkingCapitalFacility35MillionMember" xlink:href="abr-20240930.xsd#abr_WorkingCapitalFacility35MillionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_WorkingCapitalFacility35MillionMember" xlink:to="lab_abr_WorkingCapitalFacility35MillionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_01713f05-9092-4587-9bc0-0c602277e52a_verboseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Minimum Annual Operating Lease Payments</link:label>
    <link:label id="lab_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract" xlink:to="lab_us-gaap_OperatingLeaseLiabilitiesPaymentsDueAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_BridgeLoanSixMultifamilyPropertiesMember_f8fe93d9-bf4a-4726-bf43-df70980f14d4_terseLabel_en-US" xlink:label="lab_abr_BridgeLoanSixMultifamilyPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bridge loan, six multifamily properties</link:label>
    <link:label id="lab_abr_BridgeLoanSixMultifamilyPropertiesMember_label_en-US" xlink:label="lab_abr_BridgeLoanSixMultifamilyPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bridge loan, six multifamily properties</link:label>
    <link:label id="lab_abr_BridgeLoanSixMultifamilyPropertiesMember_documentation_en-US" xlink:label="lab_abr_BridgeLoanSixMultifamilyPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Information pertaining to bridge loan used to purchase six multifamily properties.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_BridgeLoanSixMultifamilyPropertiesMember" xlink:href="abr-20240930.xsd#abr_BridgeLoanSixMultifamilyPropertiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_BridgeLoanSixMultifamilyPropertiesMember" xlink:to="lab_abr_BridgeLoanSixMultifamilyPropertiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableRecordedInvestmentsPastDue_da25c115-294f-4368-9e8c-557dc08030e5_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableRecordedInvestmentsPastDue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans held-for-sale that were 90 days or more past due</link:label>
    <link:label id="lab_abr_FinancingReceivableRecordedInvestmentsPastDue_label_en-US" xlink:label="lab_abr_FinancingReceivableRecordedInvestmentsPastDue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable Recorded Investments Past Due</link:label>
    <link:label id="lab_abr_FinancingReceivableRecordedInvestmentsPastDue_documentation_en-US" xlink:label="lab_abr_FinancingReceivableRecordedInvestmentsPastDue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of financing receivable past due.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableRecordedInvestmentsPastDue" xlink:href="abr-20240930.xsd#abr_FinancingReceivableRecordedInvestmentsPastDue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableRecordedInvestmentsPastDue" xlink:to="lab_abr_FinancingReceivableRecordedInvestmentsPastDue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_12cf520d-ba08-4167-b789-985a77145652_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Agreements and Transactions with Related Parties</link:label>
    <link:label id="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock_label_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transactions Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionsDisclosureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:to="lab_us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_7c1f219a-c605-4e18-a2ef-e73ca657f402_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected amortization of capitalized MSRs balances</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsFutureAmortizationExpenseAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance_58d3565b-82f1-4179-8f51-33136da7b356_terseLabel_en-US" xlink:label="lab_us-gaap_ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Valuation allowance</link:label>
    <link:label id="lab_us-gaap_ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance_label_en-US" xlink:label="lab_us-gaap_ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Valuation Allowance for Impairment of Recognized Servicing Assets, Balance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance" xlink:to="lab_us-gaap_ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CoverAbstract_1686d341-c1f6-4d7f-aae3-22353b0ed178_terseLabel_en-US" xlink:label="lab_dei_CoverAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cover [Abstract]</link:label>
    <link:label id="lab_dei_CoverAbstract_label_en-US" xlink:label="lab_dei_CoverAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cover [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CoverAbstract" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CoverAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CoverAbstract" xlink:to="lab_dei_CoverAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_f8b56ec3-0825-4297-acbc-9b0a7b5b3013_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Thereafter</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, to be Paid, after Year Five</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_f928320c-8884-4340-adaa-c32e6edeb107_totalLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net increase (decrease) in cash, cash equivalents and restricted cash</link:label>
    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_label_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_GainLossOnSalesOfLoansNet_65d538b5-0099-4390-a23b-4015c01761c3_terseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnSalesOfLoansNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gain on sales, including fee-based services, net</link:label>
    <link:label id="lab_us-gaap_GainLossOnSalesOfLoansNet_label_en-US" xlink:label="lab_us-gaap_GainLossOnSalesOfLoansNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) on Sales of Loans, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSalesOfLoansNet" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnSalesOfLoansNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnSalesOfLoansNet" xlink:to="lab_us-gaap_GainLossOnSalesOfLoansNet" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_MeasurementInputDiscountRateMember_f22df1e4-e363-4af9-8adc-393e6240ae86_terseLabel_en-US" xlink:label="lab_us-gaap_MeasurementInputDiscountRateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discount rate</link:label>
    <link:label id="lab_us-gaap_MeasurementInputDiscountRateMember_label_en-US" xlink:label="lab_us-gaap_MeasurementInputDiscountRateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Measurement Input, Discount Rate [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputDiscountRateMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputDiscountRateMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MeasurementInputDiscountRateMember" xlink:to="lab_us-gaap_MeasurementInputDiscountRateMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_240b827f-8495-4836-aefa-88fa89d06318_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Maturities of Operating Lease Liabilities</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityMaturityTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_PercentageOfInterestRealEstate_93b1ed15-ab03-4684-a0db-47be763d4475_terseLabel_en-US" xlink:label="lab_abr_PercentageOfInterestRealEstate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of interest in real estate fund</link:label>
    <link:label id="lab_abr_PercentageOfInterestRealEstate_label_en-US" xlink:label="lab_abr_PercentageOfInterestRealEstate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of Interest Real Estate</link:label>
    <link:label id="lab_abr_PercentageOfInterestRealEstate_documentation_en-US" xlink:label="lab_abr_PercentageOfInterestRealEstate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of Interest Real Estate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_PercentageOfInterestRealEstate" xlink:href="abr-20240930.xsd#abr_PercentageOfInterestRealEstate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_PercentageOfInterestRealEstate" xlink:to="lab_abr_PercentageOfInterestRealEstate" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ImpairedFinancingReceivableWeightedAverageAccrualRateOfInterest_079ae59c-fa8e-4314-80e9-eed3b5ff2276_terseLabel_en-US" xlink:label="lab_abr_ImpairedFinancingReceivableWeightedAverageAccrualRateOfInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average accrual rate of interest (as a percent)</link:label>
    <link:label id="lab_abr_ImpairedFinancingReceivableWeightedAverageAccrualRateOfInterest_label_en-US" xlink:label="lab_abr_ImpairedFinancingReceivableWeightedAverageAccrualRateOfInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impaired Financing Receivable, Weighted Average, Accrual Rate of Interest</link:label>
    <link:label id="lab_abr_ImpairedFinancingReceivableWeightedAverageAccrualRateOfInterest_documentation_en-US" xlink:label="lab_abr_ImpairedFinancingReceivableWeightedAverageAccrualRateOfInterest" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the weighted average accrual rate of interest of impaired financing receivables.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ImpairedFinancingReceivableWeightedAverageAccrualRateOfInterest" xlink:href="abr-20240930.xsd#abr_ImpairedFinancingReceivableWeightedAverageAccrualRateOfInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ImpairedFinancingReceivableWeightedAverageAccrualRateOfInterest" xlink:to="lab_abr_ImpairedFinancingReceivableWeightedAverageAccrualRateOfInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_TradingSymbol_1a700b94-36f6-423b-8e6d-b7ac070bcc37_terseLabel_en-US" xlink:label="lab_dei_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trading Symbol</link:label>
    <link:label id="lab_dei_TradingSymbol_label_en-US" xlink:label="lab_dei_TradingSymbol" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trading Symbol</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_TradingSymbol"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_TradingSymbol" xlink:to="lab_dei_TradingSymbol" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_acb966a9-5a8d-4d94-8f67-68655ccf6e55_verboseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Ownership interest, percentage</link:label>
    <link:label id="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Ownership Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityMethodInvestmentOwnershipPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:to="lab_us-gaap_EquityMethodInvestmentOwnershipPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_InterestDeferralExtendedMaturityAndInterestForgivenessMember_1a88a905-7e4c-4dcd-939a-18331466b469_terseLabel_en-US" xlink:label="lab_abr_InterestDeferralExtendedMaturityAndInterestForgivenessMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest Deferral, Extended Maturity, And Interest Forgiveness</link:label>
    <link:label id="lab_abr_InterestDeferralExtendedMaturityAndInterestForgivenessMember_label_en-US" xlink:label="lab_abr_InterestDeferralExtendedMaturityAndInterestForgivenessMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Deferral, Extended Maturity, And Interest Forgiveness [Member]</link:label>
    <link:label id="lab_abr_InterestDeferralExtendedMaturityAndInterestForgivenessMember_documentation_en-US" xlink:label="lab_abr_InterestDeferralExtendedMaturityAndInterestForgivenessMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest Deferral, Extended Maturity, And Interest Forgiveness</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_InterestDeferralExtendedMaturityAndInterestForgivenessMember" xlink:href="abr-20240930.xsd#abr_InterestDeferralExtendedMaturityAndInterestForgivenessMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_InterestDeferralExtendedMaturityAndInterestForgivenessMember" xlink:to="lab_abr_InterestDeferralExtendedMaturityAndInterestForgivenessMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SeriesFPreferredStockMember_9b5415fb-f60a-4839-938f-fc61b1b11364_verboseLabel_en-US" xlink:label="lab_us-gaap_SeriesFPreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Preferred Stock, 6.25% Series F Fixed-to-Floating Rate Cumulative Redeemable, par value $0.01 per share</link:label>
    <link:label id="lab_us-gaap_SeriesFPreferredStockMember_label_en-US" xlink:label="lab_us-gaap_SeriesFPreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series F Preferred Stock [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesFPreferredStockMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SeriesFPreferredStockMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SeriesFPreferredStockMember" xlink:to="lab_us-gaap_SeriesFPreferredStockMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_EquityMethodInvestmentNoncontrollingInterestAcquired_1f8c3a8e-076c-4430-b83a-265d5a41ccbf_terseLabel_en-US" xlink:label="lab_abr_EquityMethodInvestmentNoncontrollingInterestAcquired" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Noncontrolling interest in equity method investment acquired (as a percent)</link:label>
    <link:label id="lab_abr_EquityMethodInvestmentNoncontrollingInterestAcquired_label_en-US" xlink:label="lab_abr_EquityMethodInvestmentNoncontrollingInterestAcquired" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment Noncontrolling Interest Acquired</link:label>
    <link:label id="lab_abr_EquityMethodInvestmentNoncontrollingInterestAcquired_documentation_en-US" xlink:label="lab_abr_EquityMethodInvestmentNoncontrollingInterestAcquired" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the percentage of noncontrolling interest in the equity method investment acquired by the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_EquityMethodInvestmentNoncontrollingInterestAcquired" xlink:href="abr-20240930.xsd#abr_EquityMethodInvestmentNoncontrollingInterestAcquired"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_EquityMethodInvestmentNoncontrollingInterestAcquired" xlink:to="lab_abr_EquityMethodInvestmentNoncontrollingInterestAcquired" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NumberOfLoanForWhichNoProvisionForLoanLossMade_7e8a58b9-5d89-48d3-93b0-16c1a6ddd168_terseLabel_en-US" xlink:label="lab_abr_NumberOfLoanForWhichNoProvisionForLoanLossMade" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of loans for which no provision for loan loss made</link:label>
    <link:label id="lab_abr_NumberOfLoanForWhichNoProvisionForLoanLossMade_label_en-US" xlink:label="lab_abr_NumberOfLoanForWhichNoProvisionForLoanLossMade" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Loan for which No Provision for Loan Loss Made</link:label>
    <link:label id="lab_abr_NumberOfLoanForWhichNoProvisionForLoanLossMade_documentation_en-US" xlink:label="lab_abr_NumberOfLoanForWhichNoProvisionForLoanLossMade" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the number of loans for which the value of the collateral securing the loan was less than the carrying value of the loan for which the entity has not recorded a provision for loan loss.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NumberOfLoanForWhichNoProvisionForLoanLossMade" xlink:href="abr-20240930.xsd#abr_NumberOfLoanForWhichNoProvisionForLoanLossMade"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NumberOfLoanForWhichNoProvisionForLoanLossMade" xlink:to="lab_abr_NumberOfLoanForWhichNoProvisionForLoanLossMade" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLossCurrent_c025c6f4-bb30-4ac6-ad4e-ec637e7e9ed7_terseLabel_en-US" xlink:label="lab_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLossCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount purchased at a discount</link:label>
    <link:label id="lab_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLossCurrent_label_en-US" xlink:label="lab_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLossCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLossCurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLossCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLossCurrent" xlink:to="lab_us-gaap_DebtSecuritiesHeldToMaturityAmortizedCostAfterAllowanceForCreditLossCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_75dd4a1a-6393-45c1-baeb-230bd0005a01_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Assets</link:label>
    <link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeAsset_label_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Asset, Subject to Master Netting Arrangement, before Offset</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeFairValueOfDerivativeAsset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:to="lab_us-gaap_DerivativeFairValueOfDerivativeAsset" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_NonNeosMember_terseLabel_en-US" xlink:label="lab_ecd_NonNeosMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-NEOs</link:label>
    <link:label id="lab_ecd_NonNeosMember_label_en-US" xlink:label="lab_ecd_NonNeosMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-NEOs [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_NonNeosMember" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_NonNeosMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_NonNeosMember" xlink:to="lab_ecd_NonNeosMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommonStockDividendsPerShareDeclared_e93e388b-278e-4021-9b5c-e7c51fd3e3ce_verboseLabel_en-US" xlink:label="lab_us-gaap_CommonStockDividendsPerShareDeclared" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Dividends declared per common share (in dollars per share)</link:label>
    <link:label id="lab_us-gaap_CommonStockDividendsPerShareDeclared_38b8a6ff-228e-4953-87e0-e3e9718bfe10_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockDividendsPerShareDeclared" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common Stock, Dividend (in dollars per share)</link:label>
    <link:label id="lab_us-gaap_CommonStockDividendsPerShareDeclared_label_en-US" xlink:label="lab_us-gaap_CommonStockDividendsPerShareDeclared" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Dividends, Per Share, Declared</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockDividendsPerShareDeclared"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockDividendsPerShareDeclared" xlink:to="lab_us-gaap_CommonStockDividendsPerShareDeclared" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup_3cb59086-08db-4cb0-8ea7-e92cde74d1b8_terseLabel_en-US" xlink:label="lab_us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans held-for-sale</link:label>
    <link:label id="lab_us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup_a011e063-39fe-4970-892e-a5086f646d42_verboseLabel_en-US" xlink:label="lab_us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Loans held-for-sale, net</link:label>
    <link:label id="lab_us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup_label_en-US" xlink:label="lab_us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Held-for-Sale, Not Part of Disposal Group, after Valuation Allowance</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup" xlink:to="lab_us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SeniorPositionLoanMember_138a3554-c055-4cec-96e3-cc5f1fe41cc7_terseLabel_en-US" xlink:label="lab_abr_SeniorPositionLoanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Senior Position Loan</link:label>
    <link:label id="lab_abr_SeniorPositionLoanMember_label_en-US" xlink:label="lab_abr_SeniorPositionLoanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Position Loan [Member]</link:label>
    <link:label id="lab_abr_SeniorPositionLoanMember_documentation_en-US" xlink:label="lab_abr_SeniorPositionLoanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Senior Position Loan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SeniorPositionLoanMember" xlink:href="abr-20240930.xsd#abr_SeniorPositionLoanMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SeniorPositionLoanMember" xlink:to="lab_abr_SeniorPositionLoanMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsRealized_f6cafe2d-5a50-4a61-9ce9-cddc462bebb9_terseLabel_en-US" xlink:label="lab_abr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsRealized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Realized gains recorded in earnings</link:label>
    <link:label id="lab_abr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsRealized_label_en-US" xlink:label="lab_abr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsRealized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings, Realized</link:label>
    <link:label id="lab_abr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsRealized_documentation_en-US" xlink:label="lab_abr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsRealized" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of realized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsRealized" xlink:href="abr-20240930.xsd#abr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsRealized"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsRealized" xlink:to="lab_abr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsRealized" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_87a850b5-27ac-4729-a377-e7df24109d32_negatedLabel_en-US" xlink:label="lab_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Distributions - noncontrolling interest</link:label>
    <link:label id="lab_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_label_en-US" xlink:label="lab_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:to="lab_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_fd10d6f7-379f-45f4-ba7e-1e2b228128fd_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]</link:label>
    <link:label id="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:to="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationTable" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_HeldToMaturitySecuritiesWeightedAverageFixedInterestRate_8a4d7fb2-07f5-4ab3-ab3d-ebe63328a752_terseLabel_en-US" xlink:label="lab_abr_HeldToMaturitySecuritiesWeightedAverageFixedInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average fixed interest rate</link:label>
    <link:label id="lab_abr_HeldToMaturitySecuritiesWeightedAverageFixedInterestRate_label_en-US" xlink:label="lab_abr_HeldToMaturitySecuritiesWeightedAverageFixedInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held To Maturity Securities Weighted Average Fixed Interest Rate</link:label>
    <link:label id="lab_abr_HeldToMaturitySecuritiesWeightedAverageFixedInterestRate_documentation_en-US" xlink:label="lab_abr_HeldToMaturitySecuritiesWeightedAverageFixedInterestRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of held to maturity securities weighted average fixed interest rate.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_HeldToMaturitySecuritiesWeightedAverageFixedInterestRate" xlink:href="abr-20240930.xsd#abr_HeldToMaturitySecuritiesWeightedAverageFixedInterestRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_HeldToMaturitySecuritiesWeightedAverageFixedInterestRate" xlink:to="lab_abr_HeldToMaturitySecuritiesWeightedAverageFixedInterestRate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_df4ba83d-634a-4bdc-a64e-367791e21c61_terseLabel_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Description of Business</link:label>
    <link:label id="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock_label_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:to="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsDisclosureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RelatedPartyOwnershipPercentage_90e158c6-fcfa-4447-8953-49e6785e4003_terseLabel_en-US" xlink:label="lab_abr_RelatedPartyOwnershipPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of ownership interest of related party in the entity</link:label>
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    <link:label id="lab_abr_RelatedPartyOwnershipPercentage_documentation_en-US" xlink:label="lab_abr_RelatedPartyOwnershipPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the percentage of ownership of common stock or equity participation owned by related party.</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_ecd_NonRule10b51ArrAdoptedFlag" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_NonRule10b51ArrAdoptedFlag"/>
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    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_5c8a872d-79e2-4f40-aa2b-2ab905a3ddef_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted stock vested and settled (in shares)</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardNetOfForfeitures"/>
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    <link:label id="lab_us-gaap_FairValueDisclosuresTextBlock_0fb530cc-bcaf-45a6-867e-18ebec62f745_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueDisclosuresTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value</link:label>
    <link:label id="lab_us-gaap_FairValueDisclosuresTextBlock_label_en-US" xlink:label="lab_us-gaap_FairValueDisclosuresTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Disclosures [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueDisclosuresTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueDisclosuresTextBlock" xlink:to="lab_us-gaap_FairValueDisclosuresTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LandMember_a52477a6-8235-430c-879f-92d11e70e589_terseLabel_en-US" xlink:label="lab_us-gaap_LandMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Land</link:label>
    <link:label id="lab_us-gaap_LandMember_label_en-US" xlink:label="lab_us-gaap_LandMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Land [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LandMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LandMember" xlink:to="lab_us-gaap_LandMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AwardTmgDiscLineItems_label_en-US" xlink:label="lab_ecd_AwardTmgDiscLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Award Timing Disclosures [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AwardTmgDiscLineItems" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AwardTmgDiscLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_AwardTmgDiscLineItems" xlink:to="lab_ecd_AwardTmgDiscLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivablesPeriodPastDueAxis_f62dfad2-7b5d-44c9-8c30-799bfd8ffeb7_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivablesPeriodPastDueAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Asset, Aging [Axis]</link:label>
    <link:label id="lab_us-gaap_FinancingReceivablesPeriodPastDueAxis_label_en-US" xlink:label="lab_us-gaap_FinancingReceivablesPeriodPastDueAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Asset, Aging [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivablesPeriodPastDueAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueAxis" xlink:to="lab_us-gaap_FinancingReceivablesPeriodPastDueAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_EquityMethodInvesteeNameDomain_d0237173-1925-40ad-b77a-17f73388e799_terseLabel_en-US" xlink:label="lab_srt_EquityMethodInvesteeNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment, Name [Domain]</link:label>
    <link:label id="lab_srt_EquityMethodInvesteeNameDomain_label_en-US" xlink:label="lab_srt_EquityMethodInvesteeNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment, Name [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EquityMethodInvesteeNameDomain" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_EquityMethodInvesteeNameDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_EquityMethodInvesteeNameDomain" xlink:to="lab_srt_EquityMethodInvesteeNameDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock_ad424c2b-f533-4d00-b378-162a3b16e930_verboseLabel_en-US" xlink:label="lab_us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Schedule of the Changes in the Allowance for Credit Losses</link:label>
    <link:label id="lab_us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock_label_en-US" xlink:label="lab_us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Allowance for Credit Loss [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock" xlink:to="lab_us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeGainLossOnDerivativeNet_6b40c12f-3c73-45a1-a716-2aec9bb68d87_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeGainLossOnDerivativeNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gain (loss) on derivative instruments, net</link:label>
    <link:label id="lab_us-gaap_DerivativeGainLossOnDerivativeNet_label_en-US" xlink:label="lab_us-gaap_DerivativeGainLossOnDerivativeNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Gain (Loss) on Derivative, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeGainLossOnDerivativeNet" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeGainLossOnDerivativeNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeGainLossOnDerivativeNet" xlink:to="lab_us-gaap_DerivativeGainLossOnDerivativeNet" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CashCollateralForBorrowedSecurities_419f1243-1e4b-4112-a37b-ebc9fafb91b2_terseLabel_en-US" xlink:label="lab_us-gaap_CashCollateralForBorrowedSecurities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Collateral, Cash, Restricted Cash</link:label>
    <link:label id="lab_us-gaap_CashCollateralForBorrowedSecurities_label_en-US" xlink:label="lab_us-gaap_CashCollateralForBorrowedSecurities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Collateral for Borrowed Securities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCollateralForBorrowedSecurities" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCollateralForBorrowedSecurities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashCollateralForBorrowedSecurities" xlink:to="lab_us-gaap_CashCollateralForBorrowedSecurities" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ProceedsFromSaleOfEquityParticipationInProperty_3758e7ea-0245-4a6f-8d3a-e49472f2e49b_terseLabel_en-US" xlink:label="lab_abr_ProceedsFromSaleOfEquityParticipationInProperty" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sale</link:label>
    <link:label id="lab_abr_ProceedsFromSaleOfEquityParticipationInProperty_label_en-US" xlink:label="lab_abr_ProceedsFromSaleOfEquityParticipationInProperty" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale of Equity Participation in Property</link:label>
    <link:label id="lab_abr_ProceedsFromSaleOfEquityParticipationInProperty_documentation_en-US" xlink:label="lab_abr_ProceedsFromSaleOfEquityParticipationInProperty" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Proceeds from sale of equity participation interest in property.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ProceedsFromSaleOfEquityParticipationInProperty" xlink:href="abr-20240930.xsd#abr_ProceedsFromSaleOfEquityParticipationInProperty"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ProceedsFromSaleOfEquityParticipationInProperty" xlink:to="lab_abr_ProceedsFromSaleOfEquityParticipationInProperty" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_7ca5bc9d-ad0c-4434-8018-ebd1ee64604e_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFinancingReceivablesPastDueTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing Receivable, Past Due [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfFinancingReceivablesPastDueTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfFinancingReceivablesPastDueTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Past Due [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfFinancingReceivablesPastDueTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivablesPastDueTable" xlink:to="lab_us-gaap_ScheduleOfFinancingReceivablesPastDueTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PortionAtFairValueFairValueDisclosureMember_8df0cee6-afca-484a-9b08-eae95af83898_terseLabel_en-US" xlink:label="lab_us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Portion at Fair Value Measurement</link:label>
    <link:label id="lab_us-gaap_PortionAtFairValueFairValueDisclosureMember_label_en-US" xlink:label="lab_us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Portion at Fair Value Measurement [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:to="lab_us-gaap_PortionAtFairValueFairValueDisclosureMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesTable_2b00bcbe-0283-43f6-b642-4f48197105ac_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Securities, Held-to-Maturity [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Securities, Held-to-Maturity [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfHeldToMaturitySecuritiesTable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfHeldToMaturitySecuritiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfHeldToMaturitySecuritiesTable" xlink:to="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InterestIncomeExpenseNet_b5933eb7-b88d-4ae0-a723-84dbe488a6cc_totalLabel_en-US" xlink:label="lab_us-gaap_InterestIncomeExpenseNet" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net interest income</link:label>
    <link:label id="lab_us-gaap_InterestIncomeExpenseNet_label_en-US" xlink:label="lab_us-gaap_InterestIncomeExpenseNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Income (Expense), Operating</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeExpenseNet" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestIncomeExpenseNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestIncomeExpenseNet" xlink:to="lab_us-gaap_InterestIncomeExpenseNet" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfServicingAssetsAtAmortizedValueTextBlock_b2f79caa-a62e-4d1f-b4f3-e8210de5595b_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfServicingAssetsAtAmortizedValueTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Capitalized MSR Activity</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfServicingAssetsAtAmortizedValueTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfServicingAssetsAtAmortizedValueTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfServicingAssetsAtAmortizedValueTextBlock" xlink:to="lab_us-gaap_ScheduleOfServicingAssetsAtAmortizedValueTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LossContingencyAccrualProvisionReversalForLoanRepayments_56350338-12a8-44dd-8dfc-9739887ae2d9_negatedLabel_en-US" xlink:label="lab_abr_LossContingencyAccrualProvisionReversalForLoanRepayments" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Provisions reversal for loan repayments</link:label>
    <link:label id="lab_abr_LossContingencyAccrualProvisionReversalForLoanRepayments_label_en-US" xlink:label="lab_abr_LossContingencyAccrualProvisionReversalForLoanRepayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Contingency Accrual Provision Reversal for Loan Repayments</link:label>
    <link:label id="lab_abr_LossContingencyAccrualProvisionReversalForLoanRepayments_documentation_en-US" xlink:label="lab_abr_LossContingencyAccrualProvisionReversalForLoanRepayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of provision reversal for loan repayments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LossContingencyAccrualProvisionReversalForLoanRepayments" xlink:href="abr-20240930.xsd#abr_LossContingencyAccrualProvisionReversalForLoanRepayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LossContingencyAccrualProvisionReversalForLoanRepayments" xlink:to="lab_abr_LossContingencyAccrualProvisionReversalForLoanRepayments" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RealEstateOwnedTextBlock_9547caed-d5f4-4425-b5a0-b6cfefaaefe4_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateOwnedTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real Estate Owned</link:label>
    <link:label id="lab_us-gaap_RealEstateOwnedTextBlock_label_en-US" xlink:label="lab_us-gaap_RealEstateOwnedTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Owned [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateOwnedTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RealEstateOwnedTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateOwnedTextBlock" xlink:to="lab_us-gaap_RealEstateOwnedTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PlanNameDomain_67345a52-964e-42e9-a299-bcdb4a313da5_terseLabel_en-US" xlink:label="lab_us-gaap_PlanNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Plan Name [Domain]</link:label>
    <link:label id="lab_us-gaap_PlanNameDomain_label_en-US" xlink:label="lab_us-gaap_PlanNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Plan Name [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PlanNameDomain" xlink:to="lab_us-gaap_PlanNameDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_AgencyPlatformAcquisitionMember_f2cc5556-bc63-4747-8c6c-32f16a0998b7_terseLabel_en-US" xlink:label="lab_abr_AgencyPlatformAcquisitionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ACM Acquisition</link:label>
    <link:label id="lab_abr_AgencyPlatformAcquisitionMember_label_en-US" xlink:label="lab_abr_AgencyPlatformAcquisitionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Agency Platform Acquisition [Member]</link:label>
    <link:label id="lab_abr_AgencyPlatformAcquisitionMember_documentation_en-US" xlink:label="lab_abr_AgencyPlatformAcquisitionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the acquisition of the agency platform (the "ACM Agency Business") of our Manager.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_AgencyPlatformAcquisitionMember" xlink:href="abr-20240930.xsd#abr_AgencyPlatformAcquisitionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_AgencyPlatformAcquisitionMember" xlink:to="lab_abr_AgencyPlatformAcquisitionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear_80ad68f6-b2b2-48cb-814f-411bcbb4c11d_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Origination, Prior Years</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear" xlink:to="lab_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYear" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_VariableInterestEntityDisclosureTextBlock_6f1a9879-4a95-47cc-b55f-4a9776b7ee3c_terseLabel_en-US" xlink:label="lab_us-gaap_VariableInterestEntityDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variable Interest Entities</link:label>
    <link:label id="lab_us-gaap_VariableInterestEntityDisclosureTextBlock_label_en-US" xlink:label="lab_us-gaap_VariableInterestEntityDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Interest Entity Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityDisclosureTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableInterestEntityDisclosureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableInterestEntityDisclosureTextBlock" xlink:to="lab_us-gaap_VariableInterestEntityDisclosureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AntidilutiveSecuritiesNameDomain_26e9f526-af10-4afa-a44d-2103552b8b11_terseLabel_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Antidilutive Securities, Name [Domain]</link:label>
    <link:label id="lab_us-gaap_AntidilutiveSecuritiesNameDomain_label_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Antidilutive Securities, Name [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesNameDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesNameDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AntidilutiveSecuritiesNameDomain" xlink:to="lab_us-gaap_AntidilutiveSecuritiesNameDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ArborResidentialInvestorLLLCMember_e35dc4b5-b618-4c2f-9506-e2c189831d0a_terseLabel_en-US" xlink:label="lab_abr_ArborResidentialInvestorLLLCMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Arbor Residential Investor LLC</link:label>
    <link:label id="lab_abr_ArborResidentialInvestorLLLCMember_label_en-US" xlink:label="lab_abr_ArborResidentialInvestorLLLCMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Arbor Residential Investor LLC [Member]</link:label>
    <link:label id="lab_abr_ArborResidentialInvestorLLLCMember_documentation_en-US" xlink:label="lab_abr_ArborResidentialInvestorLLLCMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the investment in Arbor Residential Investor, LLC, an equity affiliate of the entity accounted under the cost method of accounting.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ArborResidentialInvestorLLLCMember" xlink:href="abr-20240930.xsd#abr_ArborResidentialInvestorLLLCMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ArborResidentialInvestorLLLCMember" xlink:to="lab_abr_ArborResidentialInvestorLLLCMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FifthWallVenturesIiiMember_a74a1e83-3b69-4b31-b8ab-b62be68c825d_terseLabel_en-US" xlink:label="lab_abr_FifthWallVenturesIiiMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fifth Wall Ventures</link:label>
    <link:label id="lab_abr_FifthWallVenturesIiiMember_label_en-US" xlink:label="lab_abr_FifthWallVenturesIiiMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fifth Wall Ventures III [Member]</link:label>
    <link:label id="lab_abr_FifthWallVenturesIiiMember_documentation_en-US" xlink:label="lab_abr_FifthWallVenturesIiiMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the investment in Fifth Wall Ventures, an equity affiliate of the entity accounted under the equity method of accounting.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FifthWallVenturesIiiMember" xlink:href="abr-20240930.xsd#abr_FifthWallVenturesIiiMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FifthWallVenturesIiiMember" xlink:to="lab_abr_FifthWallVenturesIiiMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SavannahPropertyMember_28427eae-5dea-491a-a424-b36308bcceec_terseLabel_en-US" xlink:label="lab_abr_SavannahPropertyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Savannah Property</link:label>
    <link:label id="lab_abr_SavannahPropertyMember_label_en-US" xlink:label="lab_abr_SavannahPropertyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Savannah Property [Member]</link:label>
    <link:label id="lab_abr_SavannahPropertyMember_documentation_en-US" xlink:label="lab_abr_SavannahPropertyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Savannah Property</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SavannahPropertyMember" xlink:href="abr-20240930.xsd#abr_SavannahPropertyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SavannahPropertyMember" xlink:to="lab_abr_SavannahPropertyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OperatingSegmentsMember_cbd530d6-6275-4a38-8a75-a9e8bf10983e_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingSegmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating segments</link:label>
    <link:label id="lab_us-gaap_OperatingSegmentsMember_label_en-US" xlink:label="lab_us-gaap_OperatingSegmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Segments [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingSegmentsMember" xlink:to="lab_us-gaap_OperatingSegmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_211d2c49-7827-4af6-8ed6-c95ce45a18e9_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of Financing Receivable [Domain]</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Financing Receivable [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" xlink:to="lab_us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityMember_690be216-18b6-4d4c-8af8-c06ea50d331c_terseLabel_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief And Extended Maturity</link:label>
    <link:label id="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityMember_label_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief And Extended Maturity [Member]</link:label>
    <link:label id="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityMember_documentation_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief And Extended Maturity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_TemporaryInterestRateReliefAndExtendedMaturityMember" xlink:href="abr-20240930.xsd#abr_TemporaryInterestRateReliefAndExtendedMaturityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_TemporaryInterestRateReliefAndExtendedMaturityMember" xlink:to="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_2ea543e0-80f4-4057-a66d-ca1f32fb4c39_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by operating activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CollateralizedLoanObligationsSeventeenMember_8bc7f99b-7862-4f74-8d3c-bb861f68afb7_terseLabel_en-US" xlink:label="lab_abr_CollateralizedLoanObligationsSeventeenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CLO 17</link:label>
    <link:label id="lab_abr_CollateralizedLoanObligationsSeventeenMember_label_en-US" xlink:label="lab_abr_CollateralizedLoanObligationsSeventeenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collateralized Loan Obligations Seventeen [Member]</link:label>
    <link:label id="lab_abr_CollateralizedLoanObligationsSeventeenMember_documentation_en-US" xlink:label="lab_abr_CollateralizedLoanObligationsSeventeenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to a collateralized securitization vehicles ("CLO XVII").</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CollateralizedLoanObligationsSeventeenMember" xlink:href="abr-20240930.xsd#abr_CollateralizedLoanObligationsSeventeenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CollateralizedLoanObligationsSeventeenMember" xlink:to="lab_abr_CollateralizedLoanObligationsSeventeenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_43dc4285-223c-461c-98f3-b785dc132b71_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating activities:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lab_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RelatedPartyLoanCommitmentAmount_4a0d77ba-b45f-4def-8e67-f79cfa541bec_terseLabel_en-US" xlink:label="lab_abr_RelatedPartyLoanCommitmentAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan committed</link:label>
    <link:label id="lab_abr_RelatedPartyLoanCommitmentAmount_label_en-US" xlink:label="lab_abr_RelatedPartyLoanCommitmentAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party, Loan Commitment Amount</link:label>
    <link:label id="lab_abr_RelatedPartyLoanCommitmentAmount_documentation_en-US" xlink:label="lab_abr_RelatedPartyLoanCommitmentAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The minimum amount the entity agreed to fund under the related party commitment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RelatedPartyLoanCommitmentAmount" xlink:href="abr-20240930.xsd#abr_RelatedPartyLoanCommitmentAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RelatedPartyLoanCommitmentAmount" xlink:to="lab_abr_RelatedPartyLoanCommitmentAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ContractualObligations_dae9af02-b22d-4663-861f-23bad4a31bf1_terseLabel_en-US" xlink:label="lab_abr_ContractualObligations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SFR</link:label>
    <link:label id="lab_abr_ContractualObligations_label_en-US" xlink:label="lab_abr_ContractualObligations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Obligations</link:label>
    <link:label id="lab_abr_ContractualObligations_documentation_en-US" xlink:label="lab_abr_ContractualObligations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ContractualObligations" xlink:href="abr-20240930.xsd#abr_ContractualObligations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ContractualObligations" xlink:to="lab_abr_ContractualObligations" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AwardTmgMethodTextBlock_terseLabel_en-US" xlink:label="lab_ecd_AwardTmgMethodTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Award Timing Method</link:label>
    <link:label id="lab_ecd_AwardTmgMethodTextBlock_label_en-US" xlink:label="lab_ecd_AwardTmgMethodTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Award Timing Method [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AwardTmgMethodTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AwardTmgMethodTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_AwardTmgMethodTextBlock" xlink:to="lab_ecd_AwardTmgMethodTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_TradingArrByIndTable_terseLabel_en-US" xlink:label="lab_ecd_TradingArrByIndTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trading Arrangements, by Individual</link:label>
    <link:label id="lab_ecd_TradingArrByIndTable_label_en-US" xlink:label="lab_ecd_TradingArrByIndTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trading Arrangements, by Individual [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_TradingArrByIndTable" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_TradingArrByIndTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_TradingArrByIndTable" xlink:to="lab_ecd_TradingArrByIndTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueByMeasurementFrequencyAxis_0f1f1ee4-37f5-4db8-84f8-b96a0eb5b715_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueByMeasurementFrequencyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Measurement Frequency [Axis]</link:label>
    <link:label id="lab_us-gaap_FairValueByMeasurementFrequencyAxis_label_en-US" xlink:label="lab_us-gaap_FairValueByMeasurementFrequencyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Measurement Frequency [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis" xlink:to="lab_us-gaap_FairValueByMeasurementFrequencyAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_8a7dc269-c4d6-436c-bbc8-f903e8be3b80_terseLabel_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:label id="lab_dei_EntityCommonStockSharesOutstanding_label_en-US" xlink:label="lab_dei_EntityCommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Common Stock, Shares Outstanding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCommonStockSharesOutstanding" xlink:to="lab_dei_EntityCommonStockSharesOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_InsiderTradingPoliciesProcLineItems_label_en-US" xlink:label="lab_ecd_InsiderTradingPoliciesProcLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Insider Trading Policies and Procedures [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_InsiderTradingPoliciesProcLineItems" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_InsiderTradingPoliciesProcLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_InsiderTradingPoliciesProcLineItems" xlink:to="lab_ecd_InsiderTradingPoliciesProcLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_UseOfEstimates_68b5b84e-67dd-41af-aa25-401f05f536ce_terseLabel_en-US" xlink:label="lab_us-gaap_UseOfEstimates" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Use of Estimates</link:label>
    <link:label id="lab_us-gaap_UseOfEstimates_label_en-US" xlink:label="lab_us-gaap_UseOfEstimates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Use of Estimates, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UseOfEstimates" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UseOfEstimates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UseOfEstimates" xlink:to="lab_us-gaap_UseOfEstimates" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CreditFacility25MillionOneMember_437c8487-19d2-4f2a-9ce7-66837c4c8e5e_terseLabel_en-US" xlink:label="lab_abr_CreditFacility25MillionOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$25M credit facility</link:label>
    <link:label id="lab_abr_CreditFacility25MillionOneMember_label_en-US" xlink:label="lab_abr_CreditFacility25MillionOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility 25 Million One [Member]</link:label>
    <link:label id="lab_abr_CreditFacility25MillionOneMember_documentation_en-US" xlink:label="lab_abr_CreditFacility25MillionOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to the $25 million credit facility.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CreditFacility25MillionOneMember" xlink:href="abr-20240930.xsd#abr_CreditFacility25MillionOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CreditFacility25MillionOneMember" xlink:to="lab_abr_CreditFacility25MillionOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AdjToCompAmt_terseLabel_en-US" xlink:label="lab_ecd_AdjToCompAmt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustment to Compensation, Amount</link:label>
    <link:label id="lab_ecd_AdjToCompAmt_label_en-US" xlink:label="lab_ecd_AdjToCompAmt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment to Compensation Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AdjToCompAmt" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AdjToCompAmt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_AdjToCompAmt" xlink:to="lab_ecd_AdjToCompAmt" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AdditionalPaidInCapitalCommonStock_e190641f-91e6-4d24-894d-d12574f0c01b_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional paid-in capital</link:label>
    <link:label id="lab_us-gaap_AdditionalPaidInCapitalCommonStock_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalCommonStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Paid in Capital, Common Stock</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalCommonStock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapitalCommonStock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdditionalPaidInCapitalCommonStock" xlink:to="lab_us-gaap_AdditionalPaidInCapitalCommonStock" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_OutstandingRecoveryCompAmt_terseLabel_en-US" xlink:label="lab_ecd_OutstandingRecoveryCompAmt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Compensation Amount</link:label>
    <link:label id="lab_ecd_OutstandingRecoveryCompAmt_label_en-US" xlink:label="lab_ecd_OutstandingRecoveryCompAmt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Outstanding Recovery Compensation Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_OutstandingRecoveryCompAmt" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_OutstandingRecoveryCompAmt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_OutstandingRecoveryCompAmt" xlink:to="lab_ecd_OutstandingRecoveryCompAmt" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_OtherAssetsConsolidatingFinancialInformation_39b911f5-5832-43d1-a706-5813febc0911_terseLabel_en-US" xlink:label="lab_abr_OtherAssetsConsolidatingFinancialInformation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other assets and due from related party</link:label>
    <link:label id="lab_abr_OtherAssetsConsolidatingFinancialInformation_label_en-US" xlink:label="lab_abr_OtherAssetsConsolidatingFinancialInformation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Assets, Consolidating Financial Information</link:label>
    <link:label id="lab_abr_OtherAssetsConsolidatingFinancialInformation_documentation_en-US" xlink:label="lab_abr_OtherAssetsConsolidatingFinancialInformation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of assets classified as other in the consolidating financial information. The amount in the consolidating financial information includes specific asset line items in the balance sheet to present a condensed financial information.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_OtherAssetsConsolidatingFinancialInformation" xlink:href="abr-20240930.xsd#abr_OtherAssetsConsolidatingFinancialInformation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_OtherAssetsConsolidatingFinancialInformation" xlink:to="lab_abr_OtherAssetsConsolidatingFinancialInformation" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AggtChngPnsnValInSummryCompstnTblForAplblYrMember_terseLabel_en-US" xlink:label="lab_ecd_AggtChngPnsnValInSummryCompstnTblForAplblYrMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table</link:label>
    <link:label id="lab_ecd_AggtChngPnsnValInSummryCompstnTblForAplblYrMember_label_en-US" xlink:label="lab_ecd_AggtChngPnsnValInSummryCompstnTblForAplblYrMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AggtChngPnsnValInSummryCompstnTblForAplblYrMember" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AggtChngPnsnValInSummryCompstnTblForAplblYrMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_AggtChngPnsnValInSummryCompstnTblForAplblYrMember" xlink:to="lab_ecd_AggtChngPnsnValInSummryCompstnTblForAplblYrMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_AffiliatesDebtInstrumentPrincipalOutstanding_2f3aee17-c706-4fd0-9033-f6234431b1bd_terseLabel_en-US" xlink:label="lab_abr_AffiliatesDebtInstrumentPrincipalOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">UPB of Loans to Equity Affiliates</link:label>
    <link:label id="lab_abr_AffiliatesDebtInstrumentPrincipalOutstanding_96e7392a-ed95-42d2-9d58-c76ead1fb9de_verboseLabel_en-US" xlink:label="lab_abr_AffiliatesDebtInstrumentPrincipalOutstanding" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Loans to affiliates, balance</link:label>
    <link:label id="lab_abr_AffiliatesDebtInstrumentPrincipalOutstanding_label_en-US" xlink:label="lab_abr_AffiliatesDebtInstrumentPrincipalOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Affiliates Debt Instrument Principal Outstanding</link:label>
    <link:label id="lab_abr_AffiliatesDebtInstrumentPrincipalOutstanding_documentation_en-US" xlink:label="lab_abr_AffiliatesDebtInstrumentPrincipalOutstanding" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of outstanding principal on mortgage loans due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_AffiliatesDebtInstrumentPrincipalOutstanding" xlink:href="abr-20240930.xsd#abr_AffiliatesDebtInstrumentPrincipalOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_AffiliatesDebtInstrumentPrincipalOutstanding" xlink:to="lab_abr_AffiliatesDebtInstrumentPrincipalOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableNonaccrualRollForward_84c8640a-725a-4422-ac90-f202ac835161_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableNonaccrualRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing Receivable, Nonaccrual [Roll Forward]</link:label>
    <link:label id="lab_abr_FinancingReceivableNonaccrualRollForward_label_en-US" xlink:label="lab_abr_FinancingReceivableNonaccrualRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Nonaccrual [Roll Forward]</link:label>
    <link:label id="lab_abr_FinancingReceivableNonaccrualRollForward_documentation_en-US" xlink:label="lab_abr_FinancingReceivableNonaccrualRollForward" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Nonaccrual</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableNonaccrualRollForward" xlink:href="abr-20240930.xsd#abr_FinancingReceivableNonaccrualRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableNonaccrualRollForward" xlink:to="lab_abr_FinancingReceivableNonaccrualRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntitySmallBusiness_9b08007a-44d9-4420-9040-5c92afb5df37_terseLabel_en-US" xlink:label="lab_dei_EntitySmallBusiness" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Small Business</link:label>
    <link:label id="lab_dei_EntitySmallBusiness_label_en-US" xlink:label="lab_dei_EntitySmallBusiness" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Small Business</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntitySmallBusiness"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntitySmallBusiness" xlink:to="lab_dei_EntitySmallBusiness" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_CoSelectedMeasureAmt_terseLabel_en-US" xlink:label="lab_ecd_CoSelectedMeasureAmt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Company Selected Measure Amount</link:label>
    <link:label id="lab_ecd_CoSelectedMeasureAmt_label_en-US" xlink:label="lab_ecd_CoSelectedMeasureAmt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Company Selected Measure Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_CoSelectedMeasureAmt" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_CoSelectedMeasureAmt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_CoSelectedMeasureAmt" xlink:to="lab_ecd_CoSelectedMeasureAmt" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_WeightedAverageLoanSpread_2e33b633-a9b7-436b-b287-a56bf4a3cf1d_terseLabel_en-US" xlink:label="lab_abr_WeightedAverageLoanSpread" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average loan spread</link:label>
    <link:label id="lab_abr_WeightedAverageLoanSpread_label_en-US" xlink:label="lab_abr_WeightedAverageLoanSpread" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Loan Spread</link:label>
    <link:label id="lab_abr_WeightedAverageLoanSpread_documentation_en-US" xlink:label="lab_abr_WeightedAverageLoanSpread" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Weighted Average Loan Spread</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_WeightedAverageLoanSpread" xlink:href="abr-20240930.xsd#abr_WeightedAverageLoanSpread"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_WeightedAverageLoanSpread" xlink:to="lab_abr_WeightedAverageLoanSpread" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PaymentsToAcquireRealEstate_ddffc2ac-f2e4-4895-ad46-92ded7eac288_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireRealEstate" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Investment in real estate, net</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireRealEstate_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireRealEstate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Real Estate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireRealEstate" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireRealEstate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireRealEstate" xlink:to="lab_us-gaap_PaymentsToAcquireRealEstate" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_TabularListTableTextBlock_terseLabel_en-US" xlink:label="lab_ecd_TabularListTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Tabular List, Table</link:label>
    <link:label id="lab_ecd_TabularListTableTextBlock_label_en-US" xlink:label="lab_ecd_TabularListTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Tabular List [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_TabularListTableTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_TabularListTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_TabularListTableTextBlock" xlink:to="lab_ecd_TabularListTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueInputsLevel3Member_61247759-805c-4359-a829-e5dd968fdcdc_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel3Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Level 3</link:label>
    <link:label id="lab_us-gaap_FairValueInputsLevel3Member_label_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel3Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 3 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueInputsLevel3Member" xlink:to="lab_us-gaap_FairValueInputsLevel3Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ContractuallySpecifiedServicingFeesAmount_077f1b98-c2fb-4a6a-89d8-c9e7adffcace_terseLabel_en-US" xlink:label="lab_us-gaap_ContractuallySpecifiedServicingFeesAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Servicing revenue</link:label>
    <link:label id="lab_us-gaap_ContractuallySpecifiedServicingFeesAmount_label_en-US" xlink:label="lab_us-gaap_ContractuallySpecifiedServicingFeesAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractually Specified Servicing Fees, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractuallySpecifiedServicingFeesAmount" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractuallySpecifiedServicingFeesAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractuallySpecifiedServicingFeesAmount" xlink:to="lab_us-gaap_ContractuallySpecifiedServicingFeesAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RetailPropertyMember_f52cc243-abab-4e1b-aabc-1835ac43a5b4_terseLabel_en-US" xlink:label="lab_abr_RetailPropertyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retail property</link:label>
    <link:label id="lab_abr_RetailPropertyMember_label_en-US" xlink:label="lab_abr_RetailPropertyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retail property</link:label>
    <link:label id="lab_abr_RetailPropertyMember_documentation_en-US" xlink:label="lab_abr_RetailPropertyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Retail Property.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RetailPropertyMember" xlink:href="abr-20240930.xsd#abr_RetailPropertyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RetailPropertyMember" xlink:to="lab_abr_RetailPropertyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_DerivativeFairValueAdjustment_bab2a0be-b253-4e3f-9297-237f26516f5c_totalLabel_en-US" xlink:label="lab_abr_DerivativeFairValueAdjustment" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Fair Value Adjustment</link:label>
    <link:label id="lab_abr_DerivativeFairValueAdjustment_label_en-US" xlink:label="lab_abr_DerivativeFairValueAdjustment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Fair Value Adjustment</link:label>
    <link:label id="lab_abr_DerivativeFairValueAdjustment_documentation_en-US" xlink:label="lab_abr_DerivativeFairValueAdjustment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of addition (reduction) to the amount at which an instrument classified in derivative.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_DerivativeFairValueAdjustment" xlink:href="abr-20240930.xsd#abr_DerivativeFairValueAdjustment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_DerivativeFairValueAdjustment" xlink:to="lab_abr_DerivativeFairValueAdjustment" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_9b72dfdc-0650-4f14-bbe7-64eff720d4dd_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Measurement Inputs and Valuation Techniques [Table]</link:label>
    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Measurement Inputs and Valuation Techniques [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" xlink:to="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_UnrealizedGainLossOnDerivatives_dd76277c-74a9-4c85-b090-08b9577f215f_terseLabel_en-US" xlink:label="lab_us-gaap_UnrealizedGainLossOnDerivatives" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized (losses) gains on derivatives</link:label>
    <link:label id="lab_us-gaap_UnrealizedGainLossOnDerivatives_label_en-US" xlink:label="lab_us-gaap_UnrealizedGainLossOnDerivatives" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrealized Gain (Loss) on Derivatives</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnDerivatives" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnrealizedGainLossOnDerivatives"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnrealizedGainLossOnDerivatives" xlink:to="lab_us-gaap_UnrealizedGainLossOnDerivatives" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ProceedsFromPayoffsAndPaydownsOfLoansAndInvestments_a8c4c8d5-6334-42dc-9ea8-1611d397db40_verboseLabel_en-US" xlink:label="lab_abr_ProceedsFromPayoffsAndPaydownsOfLoansAndInvestments" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Payoffs and paydowns of loans and investments</link:label>
    <link:label id="lab_abr_ProceedsFromPayoffsAndPaydownsOfLoansAndInvestments_label_en-US" xlink:label="lab_abr_ProceedsFromPayoffsAndPaydownsOfLoansAndInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Payoffs and Paydowns of Loans and Investments</link:label>
    <link:label id="lab_abr_ProceedsFromPayoffsAndPaydownsOfLoansAndInvestments_documentation_en-US" xlink:label="lab_abr_ProceedsFromPayoffsAndPaydownsOfLoansAndInvestments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the cash inflow during the reporting period in respect of payoffs and paydowns of loans and investments held by the reporting entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ProceedsFromPayoffsAndPaydownsOfLoansAndInvestments" xlink:href="abr-20240930.xsd#abr_ProceedsFromPayoffsAndPaydownsOfLoansAndInvestments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ProceedsFromPayoffsAndPaydownsOfLoansAndInvestments" xlink:to="lab_abr_ProceedsFromPayoffsAndPaydownsOfLoansAndInvestments" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NumberOfVotes_a960a100-a893-49d0-8b61-d6992a46a701_terseLabel_en-US" xlink:label="lab_abr_NumberOfVotes" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of vote per share of special voting preferred shares (in shares)</link:label>
    <link:label id="lab_abr_NumberOfVotes_label_en-US" xlink:label="lab_abr_NumberOfVotes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Votes</link:label>
    <link:label id="lab_abr_NumberOfVotes_documentation_en-US" xlink:label="lab_abr_NumberOfVotes" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of voting rights per share.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NumberOfVotes" xlink:href="abr-20240930.xsd#abr_NumberOfVotes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NumberOfVotes" xlink:to="lab_abr_NumberOfVotes" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_ef47875c-1cc8-4dc5-8833-9787bf71ca0a_terseLabel_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Anti-dilutive shares (in shares)</link:label>
    <link:label id="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_label_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:to="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LoanSalesDataAbstract_0b9bca5c-f180-48d0-8dfd-495e07aac7bd_terseLabel_en-US" xlink:label="lab_abr_LoanSalesDataAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Agency Business Loan Sales Data:</link:label>
    <link:label id="lab_abr_LoanSalesDataAbstract_label_en-US" xlink:label="lab_abr_LoanSalesDataAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan Sales Data [Abstract]</link:label>
    <link:label id="lab_abr_LoanSalesDataAbstract_documentation_en-US" xlink:label="lab_abr_LoanSalesDataAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">No definition available.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LoanSalesDataAbstract" xlink:href="abr-20240930.xsd#abr_LoanSalesDataAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LoanSalesDataAbstract" xlink:to="lab_abr_LoanSalesDataAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_EffectOfInterestRateMovement_ee4eb400-4e4f-4ff5-94ce-0ce4427fe104_negatedLabel_en-US" xlink:label="lab_abr_EffectOfInterestRateMovement" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Interest Rate Movement Effect</link:label>
    <link:label id="lab_abr_EffectOfInterestRateMovement_label_en-US" xlink:label="lab_abr_EffectOfInterestRateMovement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effect of Interest Rate Movement</link:label>
    <link:label id="lab_abr_EffectOfInterestRateMovement_documentation_en-US" xlink:label="lab_abr_EffectOfInterestRateMovement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of impairment on our loans held-for-sale related to changes in market interest rates.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_EffectOfInterestRateMovement" xlink:href="abr-20240930.xsd#abr_EffectOfInterestRateMovement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_EffectOfInterestRateMovement" xlink:to="lab_abr_EffectOfInterestRateMovement" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MaturityDateDecember2023Member_bb10bbd3-5f03-4f9a-8d94-8e262b752808_terseLabel_en-US" xlink:label="lab_abr_MaturityDateDecember2023Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity Date December 2023</link:label>
    <link:label id="lab_abr_MaturityDateDecember2023Member_label_en-US" xlink:label="lab_abr_MaturityDateDecember2023Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity Date December 2023 [Member]</link:label>
    <link:label id="lab_abr_MaturityDateDecember2023Member_documentation_en-US" xlink:label="lab_abr_MaturityDateDecember2023Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maturity Date December 2023</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MaturityDateDecember2023Member" xlink:href="abr-20240930.xsd#abr_MaturityDateDecember2023Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MaturityDateDecember2023Member" xlink:to="lab_abr_MaturityDateDecember2023Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_c288200b-2145-4669-8660-648724797484_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Accounts, Notes, Loans and Financing Receivable [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts and Financing Receivables [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:to="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_fdc63711-07c3-4cf6-8b34-4e332615d2ca_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative assets</link:label>
    <link:label id="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xlink:to="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_VestedOnGrantDateMember_23595178-29a8-4ebc-af6b-ce1aad93afdd_terseLabel_en-US" xlink:label="lab_abr_VestedOnGrantDateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vested on grant date</link:label>
    <link:label id="lab_abr_VestedOnGrantDateMember_label_en-US" xlink:label="lab_abr_VestedOnGrantDateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vested on grant date</link:label>
    <link:label id="lab_abr_VestedOnGrantDateMember_documentation_en-US" xlink:label="lab_abr_VestedOnGrantDateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for shares vested on grant date.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_VestedOnGrantDateMember" xlink:href="abr-20240930.xsd#abr_VestedOnGrantDateMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_VestedOnGrantDateMember" xlink:to="lab_abr_VestedOnGrantDateMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RepurchaseFacility1BillionMember_1aca0176-0aa5-48f6-b18f-4df162610514_terseLabel_en-US" xlink:label="lab_abr_RepurchaseFacility1BillionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$1B repurchase facility</link:label>
    <link:label id="lab_abr_RepurchaseFacility1BillionMember_label_en-US" xlink:label="lab_abr_RepurchaseFacility1BillionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repurchase Facility 1 Billion [Member]</link:label>
    <link:label id="lab_abr_RepurchaseFacility1BillionMember_documentation_en-US" xlink:label="lab_abr_RepurchaseFacility1BillionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Repurchase Facility 1 Billion</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RepurchaseFacility1BillionMember" xlink:href="abr-20240930.xsd#abr_RepurchaseFacility1BillionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RepurchaseFacility1BillionMember" xlink:to="lab_abr_RepurchaseFacility1BillionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ContractualCommitmentsTable_cfff1bc1-dc4b-4409-a845-5a14c2d5bb62_terseLabel_en-US" xlink:label="lab_abr_ContractualCommitmentsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contractual Commitments [Table]</link:label>
    <link:label id="lab_abr_ContractualCommitmentsTable_label_en-US" xlink:label="lab_abr_ContractualCommitmentsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Commitments [Table]</link:label>
    <link:label id="lab_abr_ContractualCommitmentsTable_documentation_en-US" xlink:label="lab_abr_ContractualCommitmentsTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of contractual commitments of the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ContractualCommitmentsTable" xlink:href="abr-20240930.xsd#abr_ContractualCommitmentsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ContractualCommitmentsTable" xlink:to="lab_abr_ContractualCommitmentsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_VariableInterestEntityReportingEntityInvolvementRealEstateDebtExposureAmount_4ee692c7-2ea0-4ac5-aa18-553750107f87_terseLabel_en-US" xlink:label="lab_abr_VariableInterestEntityReportingEntityInvolvementRealEstateDebtExposureAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exposure to real estate debt</link:label>
    <link:label id="lab_abr_VariableInterestEntityReportingEntityInvolvementRealEstateDebtExposureAmount_label_en-US" xlink:label="lab_abr_VariableInterestEntityReportingEntityInvolvementRealEstateDebtExposureAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Interest Entity, Reporting Entity Involvement, Real Estate Debt Exposure, Amount</link:label>
    <link:label id="lab_abr_VariableInterestEntityReportingEntityInvolvementRealEstateDebtExposureAmount_documentation_en-US" xlink:label="lab_abr_VariableInterestEntityReportingEntityInvolvementRealEstateDebtExposureAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The reporting entity's exposure to real estate debt as a result of its involvement with the Variable Interest Entity (VIE).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_VariableInterestEntityReportingEntityInvolvementRealEstateDebtExposureAmount" xlink:href="abr-20240930.xsd#abr_VariableInterestEntityReportingEntityInvolvementRealEstateDebtExposureAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_VariableInterestEntityReportingEntityInvolvementRealEstateDebtExposureAmount" xlink:to="lab_abr_VariableInterestEntityReportingEntityInvolvementRealEstateDebtExposureAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SingleFamilyRentalBondsMember_73ef2059-e081-4adc-91e5-6e32414c5f8d_terseLabel_en-US" xlink:label="lab_abr_SingleFamilyRentalBondsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SFR - Fixed Rate</link:label>
    <link:label id="lab_abr_SingleFamilyRentalBondsMember_label_en-US" xlink:label="lab_abr_SingleFamilyRentalBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Single Family Rental Bonds [Member]</link:label>
    <link:label id="lab_abr_SingleFamilyRentalBondsMember_documentation_en-US" xlink:label="lab_abr_SingleFamilyRentalBondsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The member represents the structured single family rental bonds.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SingleFamilyRentalBondsMember" xlink:href="abr-20240930.xsd#abr_SingleFamilyRentalBondsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SingleFamilyRentalBondsMember" xlink:to="lab_abr_SingleFamilyRentalBondsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RepurchaseFacility250MillionMaturity2027Member_7f38235d-1e35-4579-82ed-65a5352ecad4_verboseLabel_en-US" xlink:label="lab_abr_RepurchaseFacility250MillionMaturity2027Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">$250M repurchase facility</link:label>
    <link:label id="lab_abr_RepurchaseFacility250MillionMaturity2027Member_e0f17dd9-2f6f-4b6b-b6a7-5731563568c6_terseLabel_en-US" xlink:label="lab_abr_RepurchaseFacility250MillionMaturity2027Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$250M repurchase facility, maturing 2027</link:label>
    <link:label id="lab_abr_RepurchaseFacility250MillionMaturity2027Member_label_en-US" xlink:label="lab_abr_RepurchaseFacility250MillionMaturity2027Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repurchase Facility 250 Million, Maturity 2027 [Member]</link:label>
    <link:label id="lab_abr_RepurchaseFacility250MillionMaturity2027Member_documentation_en-US" xlink:label="lab_abr_RepurchaseFacility250MillionMaturity2027Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Repurchase Facility 250 Million, Maturity 2027</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RepurchaseFacility250MillionMaturity2027Member" xlink:href="abr-20240930.xsd#abr_RepurchaseFacility250MillionMaturity2027Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RepurchaseFacility250MillionMaturity2027Member" xlink:to="lab_abr_RepurchaseFacility250MillionMaturity2027Member" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_OperatingPartnershipUnitsUnitsOutstanding_2ee9764b-4e5c-43ad-8080-f26552727951_terseLabel_en-US" xlink:label="lab_abr_OperatingPartnershipUnitsUnitsOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">OP units outstanding (in shares)</link:label>
    <link:label id="lab_abr_OperatingPartnershipUnitsUnitsOutstanding_label_en-US" xlink:label="lab_abr_OperatingPartnershipUnitsUnitsOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Partnership Units, Units Outstanding</link:label>
    <link:label id="lab_abr_OperatingPartnershipUnitsUnitsOutstanding_documentation_en-US" xlink:label="lab_abr_OperatingPartnershipUnitsUnitsOutstanding" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of operating partnership units outstanding.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_OperatingPartnershipUnitsUnitsOutstanding" xlink:href="abr-20240930.xsd#abr_OperatingPartnershipUnitsUnitsOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_OperatingPartnershipUnitsUnitsOutstanding" xlink:to="lab_abr_OperatingPartnershipUnitsUnitsOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RepaymentAmountOfOutstandingPrincipalAmountOfDebt_027bfae8-173c-4aca-b616-1d865247595c_terseLabel_en-US" xlink:label="lab_abr_RepaymentAmountOfOutstandingPrincipalAmountOfDebt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outstanding principal balance repaid</link:label>
    <link:label id="lab_abr_RepaymentAmountOfOutstandingPrincipalAmountOfDebt_label_en-US" xlink:label="lab_abr_RepaymentAmountOfOutstandingPrincipalAmountOfDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayment Amount Of Outstanding Principal Amount Of debt</link:label>
    <link:label id="lab_abr_RepaymentAmountOfOutstandingPrincipalAmountOfDebt_documentation_en-US" xlink:label="lab_abr_RepaymentAmountOfOutstandingPrincipalAmountOfDebt" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The cash outflow of amount used for repaying the outstanding principal amount of debt.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RepaymentAmountOfOutstandingPrincipalAmountOfDebt" xlink:href="abr-20240930.xsd#abr_RepaymentAmountOfOutstandingPrincipalAmountOfDebt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RepaymentAmountOfOutstandingPrincipalAmountOfDebt" xlink:to="lab_abr_RepaymentAmountOfOutstandingPrincipalAmountOfDebt" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_7bc46f84-4b8d-4dc7-92b6-8b95d578d57d_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payments of withholding taxes on net settlement of vested stock</link:label>
    <link:label id="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_label_en-US" xlink:label="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payment, Tax Withholding, Share-Based Payment Arrangement</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:to="lab_us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_StockRepurchaseProgramAuthorizedAmount1_bea4b910-4cd0-48cd-b414-03a9da67be3e_terseLabel_en-US" xlink:label="lab_srt_StockRepurchaseProgramAuthorizedAmount1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Authorized amount to repurchase</link:label>
    <link:label id="lab_srt_StockRepurchaseProgramAuthorizedAmount1_label_en-US" xlink:label="lab_srt_StockRepurchaseProgramAuthorizedAmount1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Repurchase Program, Authorized, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StockRepurchaseProgramAuthorizedAmount1" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_StockRepurchaseProgramAuthorizedAmount1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_StockRepurchaseProgramAuthorizedAmount1" xlink:to="lab_srt_StockRepurchaseProgramAuthorizedAmount1" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ImpactOfAdoptingCurrentExpectedCreditLosses_7886d393-06c0-43e3-8f11-2c334ee33407_terseLabel_en-US" xlink:label="lab_abr_ImpactOfAdoptingCurrentExpectedCreditLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impact of adopting CECL</link:label>
    <link:label id="lab_abr_ImpactOfAdoptingCurrentExpectedCreditLosses_label_en-US" xlink:label="lab_abr_ImpactOfAdoptingCurrentExpectedCreditLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impact Of Adopting Current Expected Credit Losses</link:label>
    <link:label id="lab_abr_ImpactOfAdoptingCurrentExpectedCreditLosses_documentation_en-US" xlink:label="lab_abr_ImpactOfAdoptingCurrentExpectedCreditLosses" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of impact of adopting current expected credit losses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ImpactOfAdoptingCurrentExpectedCreditLosses" xlink:href="abr-20240930.xsd#abr_ImpactOfAdoptingCurrentExpectedCreditLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ImpactOfAdoptingCurrentExpectedCreditLosses" xlink:to="lab_abr_ImpactOfAdoptingCurrentExpectedCreditLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LineOfCreditFacilityRepurchasePeriod_cdb7c6e5-cd2d-4bf0-8bbc-f4c0920a26aa_terseLabel_en-US" xlink:label="lab_abr_LineOfCreditFacilityRepurchasePeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of credit facility, repurchase period</link:label>
    <link:label id="lab_abr_LineOfCreditFacilityRepurchasePeriod_label_en-US" xlink:label="lab_abr_LineOfCreditFacilityRepurchasePeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line Of Credit Facility, Repurchase Period</link:label>
    <link:label id="lab_abr_LineOfCreditFacilityRepurchasePeriod_documentation_en-US" xlink:label="lab_abr_LineOfCreditFacilityRepurchasePeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Line Of Credit Facility, Repurchase Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LineOfCreditFacilityRepurchasePeriod" xlink:href="abr-20240930.xsd#abr_LineOfCreditFacilityRepurchasePeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LineOfCreditFacilityRepurchasePeriod" xlink:to="lab_abr_LineOfCreditFacilityRepurchasePeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_EquityParticipationInterestMember_276839a6-ef12-4a8f-8038-0a10823dd6bb_terseLabel_en-US" xlink:label="lab_abr_EquityParticipationInterestMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Participation Interest</link:label>
    <link:label id="lab_abr_EquityParticipationInterestMember_label_en-US" xlink:label="lab_abr_EquityParticipationInterestMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Participation Interest [Member]</link:label>
    <link:label id="lab_abr_EquityParticipationInterestMember_documentation_en-US" xlink:label="lab_abr_EquityParticipationInterestMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the information pertaining to Equity Participation Interest.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_EquityParticipationInterestMember" xlink:href="abr-20240930.xsd#abr_EquityParticipationInterestMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_EquityParticipationInterestMember" xlink:to="lab_abr_EquityParticipationInterestMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock_48fe72cc-5d59-42f5-9a3e-0e0ffd083250_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Measurements, Nonrecurring</link:label>
    <link:label id="lab_us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Measurements, Nonrecurring [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock" xlink:to="lab_us-gaap_FairValueAssetsMeasuredOnNonrecurringBasisTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityInformationLineItems_145347e1-b669-44bd-a598-c271e342e4f1_terseLabel_en-US" xlink:label="lab_dei_EntityInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Information [Line Items]</link:label>
    <link:label id="lab_dei_EntityInformationLineItems_label_en-US" xlink:label="lab_dei_EntityInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Information [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInformationLineItems" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityInformationLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityInformationLineItems" xlink:to="lab_dei_EntityInformationLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EmployeeStockOptionMember_terseLabel_en-US" xlink:label="lab_us-gaap_EmployeeStockOptionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee Stock Option</link:label>
    <link:label id="lab_us-gaap_EmployeeStockOptionMember_label_en-US" xlink:label="lab_us-gaap_EmployeeStockOptionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Payment Arrangement, Option [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOptionMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EmployeeStockOptionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EmployeeStockOptionMember" xlink:to="lab_us-gaap_EmployeeStockOptionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivablePortfolioSegmentAxis_2eab0fee-ecc0-4ed9-a620-b135e5df601c_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivablePortfolioSegmentAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing Receivable Portfolio Segment [Axis]</link:label>
    <link:label id="lab_us-gaap_FinancingReceivablePortfolioSegmentAxis_label_en-US" xlink:label="lab_us-gaap_FinancingReceivablePortfolioSegmentAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable Portfolio Segment [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivablePortfolioSegmentAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentAxis" xlink:to="lab_us-gaap_FinancingReceivablePortfolioSegmentAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableTotalFixedRate_49310557-b8d3-4890-aa08-8edfe1e96653_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableTotalFixedRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing receivable, total fixed rate</link:label>
    <link:label id="lab_abr_FinancingReceivableTotalFixedRate_label_en-US" xlink:label="lab_abr_FinancingReceivableTotalFixedRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Total Fixed Rate</link:label>
    <link:label id="lab_abr_FinancingReceivableTotalFixedRate_documentation_en-US" xlink:label="lab_abr_FinancingReceivableTotalFixedRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Total Fixed Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableTotalFixedRate" xlink:href="abr-20240930.xsd#abr_FinancingReceivableTotalFixedRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableTotalFixedRate" xlink:to="lab_abr_FinancingReceivableTotalFixedRate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EquityMethodInvestmentSoldCarryingAmount_daadc636-80c8-4657-8855-db4f251a2ed4_terseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentSoldCarryingAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity method investment, amount sold</link:label>
    <link:label id="lab_us-gaap_EquityMethodInvestmentSoldCarryingAmount_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentSoldCarryingAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Amount Sold</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentSoldCarryingAmount" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityMethodInvestmentSoldCarryingAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentSoldCarryingAmount" xlink:to="lab_us-gaap_EquityMethodInvestmentSoldCarryingAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_cc06a624-4a95-482b-afa2-a5329d024866_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2025</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, to be Paid, Year One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LoansAndInvestmentsUnfundedCommitments_c6a8346b-1ac6-4b1b-8c7c-2c765e403622_terseLabel_en-US" xlink:label="lab_abr_LoansAndInvestmentsUnfundedCommitments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outstanding unfunded commitments</link:label>
    <link:label id="lab_abr_LoansAndInvestmentsUnfundedCommitments_label_en-US" xlink:label="lab_abr_LoansAndInvestmentsUnfundedCommitments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans and Investments Unfunded Commitments</link:label>
    <link:label id="lab_abr_LoansAndInvestmentsUnfundedCommitments_documentation_en-US" xlink:label="lab_abr_LoansAndInvestmentsUnfundedCommitments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the amount of outstanding unfunded commitments related to loans and investments that the entity is obligated to fund as the borrowers meet certain requirements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LoansAndInvestmentsUnfundedCommitments" xlink:href="abr-20240930.xsd#abr_LoansAndInvestmentsUnfundedCommitments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LoansAndInvestmentsUnfundedCommitments" xlink:to="lab_abr_LoansAndInvestmentsUnfundedCommitments" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock_25e1108d-4c7f-4c98-8902-9a3eba72bff1_terseLabel_en-US" xlink:label="lab_us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage Servicing</link:label>
    <link:label id="lab_us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock_label_en-US" xlink:label="lab_us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers and Servicing of Financial Assets [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock" xlink:to="lab_us-gaap_TransfersAndServicingOfFinancialAssetsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FiveLoansCollateralizedByLandDevelopmentProjectMember_17df7df7-823b-42f0-ac61-4346987e43b7_terseLabel_en-US" xlink:label="lab_abr_FiveLoansCollateralizedByLandDevelopmentProjectMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Five loans collateralized by a land development project</link:label>
    <link:label id="lab_abr_FiveLoansCollateralizedByLandDevelopmentProjectMember_label_en-US" xlink:label="lab_abr_FiveLoansCollateralizedByLandDevelopmentProjectMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Five Loans Collateralized By Land Development Project [Member]</link:label>
    <link:label id="lab_abr_FiveLoansCollateralizedByLandDevelopmentProjectMember_documentation_en-US" xlink:label="lab_abr_FiveLoansCollateralizedByLandDevelopmentProjectMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents five loans collateralized by a land development project with an unpaid principal balance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FiveLoansCollateralizedByLandDevelopmentProjectMember" xlink:href="abr-20240930.xsd#abr_FiveLoansCollateralizedByLandDevelopmentProjectMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FiveLoansCollateralizedByLandDevelopmentProjectMember" xlink:to="lab_abr_FiveLoansCollateralizedByLandDevelopmentProjectMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_WeightedAverageNumberOfSharesOutstandingBasic1_a05a5f6e-c47c-4c62-9de2-4dea44cd1d0e_terseLabel_en-US" xlink:label="lab_abr_WeightedAverageNumberOfSharesOutstandingBasic1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average shares outstanding (in shares)</link:label>
    <link:label id="lab_abr_WeightedAverageNumberOfSharesOutstandingBasic1_label_en-US" xlink:label="lab_abr_WeightedAverageNumberOfSharesOutstandingBasic1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Number Of Shares Outstanding, Basic 1</link:label>
    <link:label id="lab_abr_WeightedAverageNumberOfSharesOutstandingBasic1_documentation_en-US" xlink:label="lab_abr_WeightedAverageNumberOfSharesOutstandingBasic1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Weighted average number of shares outstanding, basic 1.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_WeightedAverageNumberOfSharesOutstandingBasic1" xlink:href="abr-20240930.xsd#abr_WeightedAverageNumberOfSharesOutstandingBasic1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_WeightedAverageNumberOfSharesOutstandingBasic1" xlink:to="lab_abr_WeightedAverageNumberOfSharesOutstandingBasic1" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AwardTypeAxis_d002cb12-ac8e-442f-84ab-a2e61406d17e_terseLabel_en-US" xlink:label="lab_us-gaap_AwardTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Award Type [Axis]</link:label>
    <link:label id="lab_us-gaap_AwardTypeAxis_label_en-US" xlink:label="lab_us-gaap_AwardTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Award Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardTypeAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardTypeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AwardTypeAxis" xlink:to="lab_us-gaap_AwardTypeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FederalNationalMortgageAssociationLoansMember_b167aa93-672a-4742-bf57-afbfb39edfcf_terseLabel_en-US" xlink:label="lab_abr_FederalNationalMortgageAssociationLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fannie Mae</link:label>
    <link:label id="lab_abr_FederalNationalMortgageAssociationLoansMember_f0a0e9b3-2f52-40b8-9acc-ea4e40511e64_verboseLabel_en-US" xlink:label="lab_abr_FederalNationalMortgageAssociationLoansMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Fannie Mae</link:label>
    <link:label id="lab_abr_FederalNationalMortgageAssociationLoansMember_label_en-US" xlink:label="lab_abr_FederalNationalMortgageAssociationLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Federal National Mortgage Association Loans [Member]</link:label>
    <link:label id="lab_abr_FederalNationalMortgageAssociationLoansMember_documentation_en-US" xlink:label="lab_abr_FederalNationalMortgageAssociationLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member represents the information pertaining to loans receivable under Federal National Mortgage Association (FNMA or Fannie Mae).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FederalNationalMortgageAssociationLoansMember" xlink:href="abr-20240930.xsd#abr_FederalNationalMortgageAssociationLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FederalNationalMortgageAssociationLoansMember" xlink:to="lab_abr_FederalNationalMortgageAssociationLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RepurchaseFacility350MillionMember_32b82373-3a7a-4a2d-a6e9-7f8e6ee9d07b_terseLabel_en-US" xlink:label="lab_abr_RepurchaseFacility350MillionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$350M repurchase facility</link:label>
    <link:label id="lab_abr_RepurchaseFacility350MillionMember_label_en-US" xlink:label="lab_abr_RepurchaseFacility350MillionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repurchase Facility 350 Million [Member]</link:label>
    <link:label id="lab_abr_RepurchaseFacility350MillionMember_documentation_en-US" xlink:label="lab_abr_RepurchaseFacility350MillionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Repurchase Facility 350 Million</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RepurchaseFacility350MillionMember" xlink:href="abr-20240930.xsd#abr_RepurchaseFacility350MillionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RepurchaseFacility350MillionMember" xlink:to="lab_abr_RepurchaseFacility350MillionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsUnrealized_68889c2e-96da-45a4-861b-86132369a8ef_terseLabel_en-US" xlink:label="lab_abr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsUnrealized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized gains recorded in earnings</link:label>
    <link:label id="lab_abr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsUnrealized_label_en-US" xlink:label="lab_abr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsUnrealized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings, Unrealized</link:label>
    <link:label id="lab_abr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsUnrealized_documentation_en-US" xlink:label="lab_abr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsUnrealized" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of unrealized gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsUnrealized" xlink:href="abr-20240930.xsd#abr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsUnrealized"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsUnrealized" xlink:to="lab_abr_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsUnrealized" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CurrentInterestCoverageRatioCovenantCompliance_f635a4e2-1444-4cee-b521-e3b06609744b_terseLabel_en-US" xlink:label="lab_abr_CurrentInterestCoverageRatioCovenantCompliance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_abr_CurrentInterestCoverageRatioCovenantCompliance_label_en-US" xlink:label="lab_abr_CurrentInterestCoverageRatioCovenantCompliance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Interest Coverage Ratio, Covenant Compliance</link:label>
    <link:label id="lab_abr_CurrentInterestCoverageRatioCovenantCompliance_documentation_en-US" xlink:label="lab_abr_CurrentInterestCoverageRatioCovenantCompliance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the interest coverage ratio maintained during the period under covenant compliance. Interest coverage ratio is calculated by dividing interest income by interest expense for the classes senior to those retained by the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CurrentInterestCoverageRatioCovenantCompliance" xlink:href="abr-20240930.xsd#abr_CurrentInterestCoverageRatioCovenantCompliance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CurrentInterestCoverageRatioCovenantCompliance" xlink:to="lab_abr_CurrentInterestCoverageRatioCovenantCompliance" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NumberOfFinancingReceivablesWithExtendedMaturities_a21a9b45-bff8-426d-93db-3eb4e58bd010_terseLabel_en-US" xlink:label="lab_abr_NumberOfFinancingReceivablesWithExtendedMaturities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of financing receivables with extended maturities</link:label>
    <link:label id="lab_abr_NumberOfFinancingReceivablesWithExtendedMaturities_label_en-US" xlink:label="lab_abr_NumberOfFinancingReceivablesWithExtendedMaturities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Financing Receivables With Extended Maturities</link:label>
    <link:label id="lab_abr_NumberOfFinancingReceivablesWithExtendedMaturities_documentation_en-US" xlink:label="lab_abr_NumberOfFinancingReceivablesWithExtendedMaturities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of Financing Receivables With Extended Maturities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NumberOfFinancingReceivablesWithExtendedMaturities" xlink:href="abr-20240930.xsd#abr_NumberOfFinancingReceivablesWithExtendedMaturities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NumberOfFinancingReceivablesWithExtendedMaturities" xlink:to="lab_abr_NumberOfFinancingReceivablesWithExtendedMaturities" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RepaymentsOfDebt_ab5a99eb-f1d4-48cd-b9d7-ee2d876ba6d9_terseLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfDebt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt paid down</link:label>
    <link:label id="lab_us-gaap_RepaymentsOfDebt_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Debt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfDebt" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RepaymentsOfDebt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfDebt" xlink:to="lab_us-gaap_RepaymentsOfDebt" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_Liabilities_296e9b86-9222-4567-b2e4-a47af4ddd692_totalLabel_en-US" xlink:label="lab_us-gaap_Liabilities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total liabilities</link:label>
    <link:label id="lab_us-gaap_Liabilities_e11fe8d3-9d28-4485-b705-6e3442453f1b_terseLabel_en-US" xlink:label="lab_us-gaap_Liabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities of consolidated VIEs</link:label>
    <link:label id="lab_us-gaap_Liabilities_label_en-US" xlink:label="lab_us-gaap_Liabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Liabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Liabilities" xlink:to="lab_us-gaap_Liabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_PresidentMember_074104f5-ef88-4276-a975-c10d9d17b4f2_terseLabel_en-US" xlink:label="lab_srt_PresidentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mr. Ivan Kaufman</link:label>
    <link:label id="lab_srt_PresidentMember_label_en-US" xlink:label="lab_srt_PresidentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">President [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_PresidentMember" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_PresidentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_PresidentMember" xlink:to="lab_srt_PresidentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour_8cc787ea-15f5-4be3-99f0-2b83b9657c94_terseLabel_en-US" xlink:label="lab_abr_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Thereafter</link:label>
    <link:label id="lab_abr_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour_label_en-US" xlink:label="lab_abr_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Asset, Expected Amortization, after Year Four</link:label>
    <link:label id="lab_abr_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour_documentation_en-US" xlink:label="lab_abr_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Asset, Expected Amortization, after Year Four</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" xlink:href="abr-20240930.xsd#abr_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" xlink:to="lab_abr_FiniteLivedIntangibleAssetExpectedAmortizationAfterYearFour" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_MinorityInterest_2bfce01a-d59d-4652-ae80-26dea73f19f2_terseLabel_en-US" xlink:label="lab_us-gaap_MinorityInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Noncontrolling interest</link:label>
    <link:label id="lab_us-gaap_MinorityInterest_label_en-US" xlink:label="lab_us-gaap_MinorityInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity, Attributable to Noncontrolling Interest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MinorityInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MinorityInterest" xlink:to="lab_us-gaap_MinorityInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ConvertibleDebtMember_5011f5a0-6fef-493e-be8c-291ccc7a1278_terseLabel_en-US" xlink:label="lab_us-gaap_ConvertibleDebtMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Convertible senior unsecured notes</link:label>
    <link:label id="lab_us-gaap_ConvertibleDebtMember_label_en-US" xlink:label="lab_us-gaap_ConvertibleDebtMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Convertible Debt [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleDebtMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConvertibleDebtMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConvertibleDebtMember" xlink:to="lab_us-gaap_ConvertibleDebtMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_ee441f20-4f22-4057-a694-fa89541ed0f8_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock, par value (in dollars per share)</link:label>
    <link:label id="lab_us-gaap_CommonStockParOrStatedValuePerShare_label_en-US" xlink:label="lab_us-gaap_CommonStockParOrStatedValuePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Par or Stated Value Per Share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockParOrStatedValuePerShare" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockParOrStatedValuePerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockParOrStatedValuePerShare" xlink:to="lab_us-gaap_CommonStockParOrStatedValuePerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_TrdArrExpirationDate_terseLabel_en-US" xlink:label="lab_ecd_TrdArrExpirationDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expiration Date</link:label>
    <link:label id="lab_ecd_TrdArrExpirationDate_label_en-US" xlink:label="lab_ecd_TrdArrExpirationDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trading Arrangement Expiration Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_TrdArrExpirationDate" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_TrdArrExpirationDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_TrdArrExpirationDate" xlink:to="lab_ecd_TrdArrExpirationDate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_6d0760bf-80be-4aa4-9b2c-779085e73f1a_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investing Activities:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NoninterestIncomeOtherOperatingIncome_1463a330-772f-49ab-8fbc-bffe96382c14_verboseLabel_en-US" xlink:label="lab_us-gaap_NoninterestIncomeOtherOperatingIncome" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Other income, net</link:label>
    <link:label id="lab_us-gaap_NoninterestIncomeOtherOperatingIncome_label_en-US" xlink:label="lab_us-gaap_NoninterestIncomeOtherOperatingIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noninterest Income, Other Operating Income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoninterestIncomeOtherOperatingIncome" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NoninterestIncomeOtherOperatingIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NoninterestIncomeOtherOperatingIncome" xlink:to="lab_us-gaap_NoninterestIncomeOtherOperatingIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_WacoPropertyMember_ca03161c-3e18-4c5e-99f6-9f0181fcc0f2_terseLabel_en-US" xlink:label="lab_abr_WacoPropertyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Waco Property</link:label>
    <link:label id="lab_abr_WacoPropertyMember_label_en-US" xlink:label="lab_abr_WacoPropertyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Waco Property [Member]</link:label>
    <link:label id="lab_abr_WacoPropertyMember_documentation_en-US" xlink:label="lab_abr_WacoPropertyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Waco Property</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_WacoPropertyMember" xlink:href="abr-20240930.xsd#abr_WacoPropertyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_WacoPropertyMember" xlink:to="lab_abr_WacoPropertyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MaturityDateJuly2023Member_626a08f0-6aa7-4a28-a8d9-0120e44b8137_terseLabel_en-US" xlink:label="lab_abr_MaturityDateJuly2023Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity Date July 2023</link:label>
    <link:label id="lab_abr_MaturityDateJuly2023Member_label_en-US" xlink:label="lab_abr_MaturityDateJuly2023Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity Date July 2023 [Member]</link:label>
    <link:label id="lab_abr_MaturityDateJuly2023Member_documentation_en-US" xlink:label="lab_abr_MaturityDateJuly2023Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maturity Date July 2023</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MaturityDateJuly2023Member" xlink:href="abr-20240930.xsd#abr_MaturityDateJuly2023Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MaturityDateJuly2023Member" xlink:to="lab_abr_MaturityDateJuly2023Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_TotalShareholderRtnAmt_terseLabel_en-US" xlink:label="lab_ecd_TotalShareholderRtnAmt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total Shareholder Return Amount</link:label>
    <link:label id="lab_ecd_TotalShareholderRtnAmt_label_en-US" xlink:label="lab_ecd_TotalShareholderRtnAmt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Shareholder Return Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_TotalShareholderRtnAmt" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_TotalShareholderRtnAmt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_TotalShareholderRtnAmt" xlink:to="lab_ecd_TotalShareholderRtnAmt" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust_b1b579bc-4d5f-419d-ae40-41f51409da9a_terseLabel_en-US" xlink:label="lab_us-gaap_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Junior subordinated notes to subsidiary trust issuing preferred securities</link:label>
    <link:label id="lab_us-gaap_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust_a4b8714a-f120-4e0b-91d9-51d0284fdefc_verboseLabel_en-US" xlink:label="lab_us-gaap_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Junior subordinated notes</link:label>
    <link:label id="lab_us-gaap_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust_label_en-US" xlink:label="lab_us-gaap_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust" xlink:to="lab_us-gaap_JuniorSubordinatedDebentureOwedToUnconsolidatedSubsidiaryTrust" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MaturityDateOfMarch2025Member_fc5db486-11eb-4db6-898d-2b39c533db40_terseLabel_en-US" xlink:label="lab_abr_MaturityDateOfMarch2025Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity date of March 2025</link:label>
    <link:label id="lab_abr_MaturityDateOfMarch2025Member_label_en-US" xlink:label="lab_abr_MaturityDateOfMarch2025Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity date of March 2025</link:label>
    <link:label id="lab_abr_MaturityDateOfMarch2025Member_documentation_en-US" xlink:label="lab_abr_MaturityDateOfMarch2025Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents loans receivable with the maturity date as March 2025.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MaturityDateOfMarch2025Member" xlink:href="abr-20240930.xsd#abr_MaturityDateOfMarch2025Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MaturityDateOfMarch2025Member" xlink:to="lab_abr_MaturityDateOfMarch2025Member" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_IncreaseDecreaseInCustomerLiabilityDeferredRevenue_8be79f9f-8e68-4955-bcea-244025bf1e30_terseLabel_en-US" xlink:label="lab_abr_IncreaseDecreaseInCustomerLiabilityDeferredRevenue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred fees</link:label>
    <link:label id="lab_abr_IncreaseDecreaseInCustomerLiabilityDeferredRevenue_label_en-US" xlink:label="lab_abr_IncreaseDecreaseInCustomerLiabilityDeferredRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Customer Liability, Deferred Revenue</link:label>
    <link:label id="lab_abr_IncreaseDecreaseInCustomerLiabilityDeferredRevenue_documentation_en-US" xlink:label="lab_abr_IncreaseDecreaseInCustomerLiabilityDeferredRevenue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The increase (decrease) during the reporting period, excluding the portion taken into income, in the liability reflecting revenue yet to be earned for which cash or other forms of consideration was received or recorded as a receivable.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_IncreaseDecreaseInCustomerLiabilityDeferredRevenue" xlink:href="abr-20240930.xsd#abr_IncreaseDecreaseInCustomerLiabilityDeferredRevenue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_IncreaseDecreaseInCustomerLiabilityDeferredRevenue" xlink:to="lab_abr_IncreaseDecreaseInCustomerLiabilityDeferredRevenue" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_EqtyAwrdsAdjFnTextBlock_terseLabel_en-US" xlink:label="lab_ecd_EqtyAwrdsAdjFnTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Awards Adjustments, Footnote</link:label>
    <link:label id="lab_ecd_EqtyAwrdsAdjFnTextBlock_label_en-US" xlink:label="lab_ecd_EqtyAwrdsAdjFnTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Awards Adjustments, Footnote [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_EqtyAwrdsAdjFnTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_EqtyAwrdsAdjFnTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_EqtyAwrdsAdjFnTextBlock" xlink:to="lab_ecd_EqtyAwrdsAdjFnTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivablesPeriodPastDueDomain_0d03d54a-7e19-4e81-8e43-d0b0c17a3b47_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivablesPeriodPastDueDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Asset, Aging [Domain]</link:label>
    <link:label id="lab_us-gaap_FinancingReceivablesPeriodPastDueDomain_label_en-US" xlink:label="lab_us-gaap_FinancingReceivablesPeriodPastDueDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Asset, Aging [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivablesPeriodPastDueDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivablesPeriodPastDueDomain" xlink:to="lab_us-gaap_FinancingReceivablesPeriodPastDueDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LongtermPurchaseCommitmentPeriod_83c34fb2-6dde-495d-94d9-fca157ce7c96_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermPurchaseCommitmentPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Period of contractual commitment</link:label>
    <link:label id="lab_us-gaap_LongtermPurchaseCommitmentPeriod_label_en-US" xlink:label="lab_us-gaap_LongtermPurchaseCommitmentPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-Term Purchase Commitment, Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermPurchaseCommitmentPeriod" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermPurchaseCommitmentPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongtermPurchaseCommitmentPeriod" xlink:to="lab_us-gaap_LongtermPurchaseCommitmentPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ImpairedFinancingReceivablesCarryingAmount_4f98ea4e-574a-4d8d-b506-4175e8ca1ab5_terseLabel_en-US" xlink:label="lab_abr_ImpairedFinancingReceivablesCarryingAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate carrying value of impaired loans before reserves</link:label>
    <link:label id="lab_abr_ImpairedFinancingReceivablesCarryingAmount_label_en-US" xlink:label="lab_abr_ImpairedFinancingReceivablesCarryingAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impaired Financing Receivables Carrying Amount</link:label>
    <link:label id="lab_abr_ImpairedFinancingReceivablesCarryingAmount_documentation_en-US" xlink:label="lab_abr_ImpairedFinancingReceivablesCarryingAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The carrying value of impaired financing receivables derived after deducting unearned revenue and other holdbacks.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ImpairedFinancingReceivablesCarryingAmount" xlink:href="abr-20240930.xsd#abr_ImpairedFinancingReceivablesCarryingAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ImpairedFinancingReceivablesCarryingAmount" xlink:to="lab_abr_ImpairedFinancingReceivablesCarryingAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_QSeriesSecuritizationMember_a37c322d-044e-477c-9289-484b72db1a24_terseLabel_en-US" xlink:label="lab_abr_QSeriesSecuritizationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Q Series securitization</link:label>
    <link:label id="lab_abr_QSeriesSecuritizationMember_label_en-US" xlink:label="lab_abr_QSeriesSecuritizationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Q Series Securitization [Member]</link:label>
    <link:label id="lab_abr_QSeriesSecuritizationMember_documentation_en-US" xlink:label="lab_abr_QSeriesSecuritizationMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to Q series securitization.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_QSeriesSecuritizationMember" xlink:href="abr-20240930.xsd#abr_QSeriesSecuritizationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_QSeriesSecuritizationMember" xlink:to="lab_abr_QSeriesSecuritizationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_304a9c51-dc68-4407-977b-e19626babeb1_terseLabel_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">After one year through five years</link:label>
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue_label_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" xlink:to="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossTableTextBlock_d6bcdae8-069b-4e29-93dc-ded272cd2da8_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Changes in the Allowance for Credit Losses</link:label>
    <link:label id="lab_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossTableTextBlock_label_en-US" xlink:label="lab_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossTableTextBlock" xlink:to="lab_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NumberOfFinancingReceivablesModifiedDuringPeriodNotPursuantToContract_6509a172-0bd0-43c9-abad-e1db8f9e27df_terseLabel_en-US" xlink:label="lab_abr_NumberOfFinancingReceivablesModifiedDuringPeriodNotPursuantToContract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of loans modified not pursuant to contract</link:label>
    <link:label id="lab_abr_NumberOfFinancingReceivablesModifiedDuringPeriodNotPursuantToContract_label_en-US" xlink:label="lab_abr_NumberOfFinancingReceivablesModifiedDuringPeriodNotPursuantToContract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Financing Receivables Modified During Period, Not Pursuant To Contract</link:label>
    <link:label id="lab_abr_NumberOfFinancingReceivablesModifiedDuringPeriodNotPursuantToContract_documentation_en-US" xlink:label="lab_abr_NumberOfFinancingReceivablesModifiedDuringPeriodNotPursuantToContract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of Financing Receivables Modified During Period, Not Pursuant To Contract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NumberOfFinancingReceivablesModifiedDuringPeriodNotPursuantToContract" xlink:href="abr-20240930.xsd#abr_NumberOfFinancingReceivablesModifiedDuringPeriodNotPursuantToContract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NumberOfFinancingReceivablesModifiedDuringPeriodNotPursuantToContract" xlink:to="lab_abr_NumberOfFinancingReceivablesModifiedDuringPeriodNotPursuantToContract" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LeverageCapitalToLoanAndInvestmentPortfolio_af0556e7-7d6e-4076-aafa-2aadafa9d02e_terseLabel_en-US" xlink:label="lab_abr_LeverageCapitalToLoanAndInvestmentPortfolio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Leverage on loans and investment portfolio financed through credit and repurchase facilities, excluding securities repurchase facility and working capital facility</link:label>
    <link:label id="lab_abr_LeverageCapitalToLoanAndInvestmentPortfolio_label_en-US" xlink:label="lab_abr_LeverageCapitalToLoanAndInvestmentPortfolio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Leverage Capital to Loan and Investment portfolio</link:label>
    <link:label id="lab_abr_LeverageCapitalToLoanAndInvestmentPortfolio_documentation_en-US" xlink:label="lab_abr_LeverageCapitalToLoanAndInvestmentPortfolio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Leverage capital divided by average loan and investment assets as defined in the agreements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LeverageCapitalToLoanAndInvestmentPortfolio" xlink:href="abr-20240930.xsd#abr_LeverageCapitalToLoanAndInvestmentPortfolio"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LeverageCapitalToLoanAndInvestmentPortfolio" xlink:to="lab_abr_LeverageCapitalToLoanAndInvestmentPortfolio" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CapitalInvestedRemainingAmount_6c801b9e-2bd2-4c24-8837-ed4ab7f03663_terseLabel_en-US" xlink:label="lab_abr_CapitalInvestedRemainingAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payments for investments, legal, and administrative expenses</link:label>
    <link:label id="lab_abr_CapitalInvestedRemainingAmount_label_en-US" xlink:label="lab_abr_CapitalInvestedRemainingAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Invested, Remaining Amount</link:label>
    <link:label id="lab_abr_CapitalInvestedRemainingAmount_documentation_en-US" xlink:label="lab_abr_CapitalInvestedRemainingAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Capital Invested, Remaining Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CapitalInvestedRemainingAmount" xlink:href="abr-20240930.xsd#abr_CapitalInvestedRemainingAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CapitalInvestedRemainingAmount" xlink:to="lab_abr_CapitalInvestedRemainingAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MortgageLoansOnRealEstateScheduleTable_7b816034-d786-4823-8d1e-82a1c20e58f0_terseLabel_en-US" xlink:label="lab_srt_MortgageLoansOnRealEstateScheduleTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate Schedule [Table]</link:label>
    <link:label id="lab_srt_MortgageLoansOnRealEstateScheduleTable_label_en-US" xlink:label="lab_srt_MortgageLoansOnRealEstateScheduleTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate Schedule [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateScheduleTable" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MortgageLoansOnRealEstateScheduleTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MortgageLoansOnRealEstateScheduleTable" xlink:to="lab_srt_MortgageLoansOnRealEstateScheduleTable" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MortgageLoansOnRealEstateCollectionsOfPrincipal_db29d47e-1b06-4312-bfcc-d0296a9622de_terseLabel_en-US" xlink:label="lab_srt_MortgageLoansOnRealEstateCollectionsOfPrincipal" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payoffs and partial paydowns of principal</link:label>
    <link:label id="lab_srt_MortgageLoansOnRealEstateCollectionsOfPrincipal_label_en-US" xlink:label="lab_srt_MortgageLoansOnRealEstateCollectionsOfPrincipal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Collections of Principal</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateCollectionsOfPrincipal" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MortgageLoansOnRealEstateCollectionsOfPrincipal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MortgageLoansOnRealEstateCollectionsOfPrincipal" xlink:to="lab_srt_MortgageLoansOnRealEstateCollectionsOfPrincipal" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtInstrumentLineItems_05d59b67-97ae-4ca3-b85b-281e231f965e_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Obligations</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentLineItems_d35f76bf-5088-4ec4-a13c-b5ab292f0f45_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Debt Covenants</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentLineItems_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentLineItems" xlink:to="lab_us-gaap_DebtInstrumentLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_NamedExecutiveOfficersFnTextBlock_terseLabel_en-US" xlink:label="lab_ecd_NamedExecutiveOfficersFnTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Named Executive Officers, Footnote</link:label>
    <link:label id="lab_ecd_NamedExecutiveOfficersFnTextBlock_label_en-US" xlink:label="lab_ecd_NamedExecutiveOfficersFnTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Named Executive Officers, Footnote [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_NamedExecutiveOfficersFnTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_NamedExecutiveOfficersFnTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_NamedExecutiveOfficersFnTextBlock" xlink:to="lab_ecd_NamedExecutiveOfficersFnTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_OvercollateralizationAbstract_9c8187b8-d552-40b3-934d-d4fc4f973497_terseLabel_en-US" xlink:label="lab_abr_OvercollateralizationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Overcollateralization [Abstract]</link:label>
    <link:label id="lab_abr_OvercollateralizationAbstract_label_en-US" xlink:label="lab_abr_OvercollateralizationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Overcollateralization [Abstract]</link:label>
    <link:label id="lab_abr_OvercollateralizationAbstract_documentation_en-US" xlink:label="lab_abr_OvercollateralizationAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Overcollateralization</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_OvercollateralizationAbstract" xlink:href="abr-20240930.xsd#abr_OvercollateralizationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_OvercollateralizationAbstract" xlink:to="lab_abr_OvercollateralizationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherAssets_e7ec2bab-91c9-4d5d-be54-c8046d11d939_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other assets</link:label>
    <link:label id="lab_us-gaap_OtherAssets_label_en-US" xlink:label="lab_us-gaap_OtherAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssets" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherAssets" xlink:to="lab_us-gaap_OtherAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InternalCreditAssessmentDomain_50e82324-d86d-4045-81b8-aea6c9a3d52b_terseLabel_en-US" xlink:label="lab_us-gaap_InternalCreditAssessmentDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Internal Credit Assessment [Domain]</link:label>
    <link:label id="lab_us-gaap_InternalCreditAssessmentDomain_label_en-US" xlink:label="lab_us-gaap_InternalCreditAssessmentDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Internal Credit Assessment [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InternalCreditAssessmentDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InternalCreditAssessmentDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InternalCreditAssessmentDomain" xlink:to="lab_us-gaap_InternalCreditAssessmentDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ServicingAssetAtAmortizedValue_552775c0-d813-4a2d-bb3d-e2960cb73584_terseLabel_en-US" xlink:label="lab_us-gaap_ServicingAssetAtAmortizedValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capitalized mortgage servicing rights, net</link:label>
    <link:label id="lab_us-gaap_ServicingAssetAtAmortizedValue_6b41c2b0-a658-4272-ac04-7615bea70256_periodStartLabel_en-US" xlink:label="lab_us-gaap_ServicingAssetAtAmortizedValue" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance</link:label>
    <link:label id="lab_us-gaap_ServicingAssetAtAmortizedValue_1ea2c958-d91b-4955-8141-e1d6e10ff475_periodEndLabel_en-US" xlink:label="lab_us-gaap_ServicingAssetAtAmortizedValue" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance</link:label>
    <link:label id="lab_us-gaap_ServicingAssetAtAmortizedValue_label_en-US" xlink:label="lab_us-gaap_ServicingAssetAtAmortizedValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Servicing Asset at Amortized Cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ServicingAssetAtAmortizedValue" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ServicingAssetAtAmortizedValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ServicingAssetAtAmortizedValue" xlink:to="lab_us-gaap_ServicingAssetAtAmortizedValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CollateralizedLoanObligationsMember_4df6e2c9-99aa-4206-87d4-6c9ca65b22f8_terseLabel_en-US" xlink:label="lab_us-gaap_CollateralizedLoanObligationsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Collateralized loan obligations</link:label>
    <link:label id="lab_us-gaap_CollateralizedLoanObligationsMember_label_en-US" xlink:label="lab_us-gaap_CollateralizedLoanObligationsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collateralized Loan Obligations [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CollateralizedLoanObligationsMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CollateralizedLoanObligationsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CollateralizedLoanObligationsMember" xlink:to="lab_us-gaap_CollateralizedLoanObligationsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_TemporaryInterestRateReliefAndExtendedMaturitySixLoansMember_7ece10c4-069e-47c9-8f55-8846d9e0a351_terseLabel_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefAndExtendedMaturitySixLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief And Extended Maturity, Six Loans</link:label>
    <link:label id="lab_abr_TemporaryInterestRateReliefAndExtendedMaturitySixLoansMember_label_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefAndExtendedMaturitySixLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief And Extended Maturity, Six Loans [Member]</link:label>
    <link:label id="lab_abr_TemporaryInterestRateReliefAndExtendedMaturitySixLoansMember_documentation_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefAndExtendedMaturitySixLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief And Extended Maturity, Six Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_TemporaryInterestRateReliefAndExtendedMaturitySixLoansMember" xlink:href="abr-20240930.xsd#abr_TemporaryInterestRateReliefAndExtendedMaturitySixLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_TemporaryInterestRateReliefAndExtendedMaturitySixLoansMember" xlink:to="lab_abr_TemporaryInterestRateReliefAndExtendedMaturitySixLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableAllowanceForCreditLossesSpecificallyImpairedLoans_0d58a87a-265b-46d6-a1b5-fe1e85a76412_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableAllowanceForCreditLossesSpecificallyImpairedLoans" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan loss reserve, specifically impaired loans</link:label>
    <link:label id="lab_abr_FinancingReceivableAllowanceForCreditLossesSpecificallyImpairedLoans_label_en-US" xlink:label="lab_abr_FinancingReceivableAllowanceForCreditLossesSpecificallyImpairedLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Allowance For Credit Losses, Specifically Impaired Loans</link:label>
    <link:label id="lab_abr_FinancingReceivableAllowanceForCreditLossesSpecificallyImpairedLoans_documentation_en-US" xlink:label="lab_abr_FinancingReceivableAllowanceForCreditLossesSpecificallyImpairedLoans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Allowance For Credit Losses, Specifically Impaired Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableAllowanceForCreditLossesSpecificallyImpairedLoans" xlink:href="abr-20240930.xsd#abr_FinancingReceivableAllowanceForCreditLossesSpecificallyImpairedLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableAllowanceForCreditLossesSpecificallyImpairedLoans" xlink:to="lab_abr_FinancingReceivableAllowanceForCreditLossesSpecificallyImpairedLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AmortizationOfMortgageServicingRightsMSRs_862c1663-066d-4122-b89a-2233260e560c_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfMortgageServicingRightsMSRs" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of capitalized mortgage servicing rights</link:label>
    <link:label id="lab_us-gaap_AmortizationOfMortgageServicingRightsMSRs_2c558ce2-e7f6-462e-8919-3db61c69dac4_negatedLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfMortgageServicingRightsMSRs" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Amortization of MSRs</link:label>
    <link:label id="lab_us-gaap_AmortizationOfMortgageServicingRightsMSRs_label_en-US" xlink:label="lab_us-gaap_AmortizationOfMortgageServicingRightsMSRs" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of Mortgage Servicing Rights (MSRs)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfMortgageServicingRightsMSRs" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfMortgageServicingRightsMSRs"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmortizationOfMortgageServicingRightsMSRs" xlink:to="lab_us-gaap_AmortizationOfMortgageServicingRightsMSRs" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_0d90ad1d-8e0a-45e5-b342-6f5f3ac58770_terseLabel_en-US" xlink:label="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis of Presentation</link:label>
    <link:label id="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basis of Accounting, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BasisOfAccountingPolicyPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:to="lab_us-gaap_BasisOfAccountingPolicyPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NotesReceivableNet_4ed98ee4-165b-415a-aafb-a00dfce1cb12_terseLabel_en-US" xlink:label="lab_us-gaap_NotesReceivableNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing receivable, after allowance for credit loss</link:label>
    <link:label id="lab_us-gaap_NotesReceivableNet_label_en-US" xlink:label="lab_us-gaap_NotesReceivableNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, after Allowance for Credit Loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesReceivableNet" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NotesReceivableNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NotesReceivableNet" xlink:to="lab_us-gaap_NotesReceivableNet" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_e13c4516-098f-4fda-ab93-951be65aac2b_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted (in shares)</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_2ad31baa-db33-4c3a-8b18-55f43c5363aa_totalLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Weighted average shares outstanding (in shares)</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="lab_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableTotalSpecificReserve_8f46e93f-480c-4f6b-8520-da03cf5c1e26_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableTotalSpecificReserve" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total specific reserve</link:label>
    <link:label id="lab_abr_FinancingReceivableTotalSpecificReserve_label_en-US" xlink:label="lab_abr_FinancingReceivableTotalSpecificReserve" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Total Specific Reserve</link:label>
    <link:label id="lab_abr_FinancingReceivableTotalSpecificReserve_documentation_en-US" xlink:label="lab_abr_FinancingReceivableTotalSpecificReserve" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Total Specific Reserve</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableTotalSpecificReserve" xlink:href="abr-20240930.xsd#abr_FinancingReceivableTotalSpecificReserve"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableTotalSpecificReserve" xlink:to="lab_abr_FinancingReceivableTotalSpecificReserve" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ACMMember_cb21c40a-1fd0-4092-b15a-8d9e3de11ced_terseLabel_en-US" xlink:label="lab_abr_ACMMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ACM</link:label>
    <link:label id="lab_abr_ACMMember_label_en-US" xlink:label="lab_abr_ACMMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ACM [Member]</link:label>
    <link:label id="lab_abr_ACMMember_documentation_en-US" xlink:label="lab_abr_ACMMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the information pertaining to Arbor Commercial Mortgage, LLC (ACM).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ACMMember" xlink:href="abr-20240930.xsd#abr_ACMMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ACMMember" xlink:to="lab_abr_ACMMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_VestingPeriodTwoMember_22316854-60c2-480b-a44e-4c1e58ae6d7f_terseLabel_en-US" xlink:label="lab_abr_VestingPeriodTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Second anniversaries</link:label>
    <link:label id="lab_abr_VestingPeriodTwoMember_label_en-US" xlink:label="lab_abr_VestingPeriodTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vesting Period Two [Member]</link:label>
    <link:label id="lab_abr_VestingPeriodTwoMember_documentation_en-US" xlink:label="lab_abr_VestingPeriodTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member represents the information pertaining to the second vesting period established by the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_VestingPeriodTwoMember" xlink:href="abr-20240930.xsd#abr_VestingPeriodTwoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_VestingPeriodTwoMember" xlink:to="lab_abr_VestingPeriodTwoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_MortgageLoanRelatedToPropertySales1_2c95f611-ba76-42e5-ac62-3a148aebffd5_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_MortgageLoanRelatedToPropertySales1" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Loan funded in conjunction with real estate sold</link:label>
    <link:label id="lab_us-gaap_MortgageLoanRelatedToPropertySales1_label_en-US" xlink:label="lab_us-gaap_MortgageLoanRelatedToPropertySales1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Loan Related to Property Sales</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MortgageLoanRelatedToPropertySales1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MortgageLoanRelatedToPropertySales1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MortgageLoanRelatedToPropertySales1" xlink:to="lab_us-gaap_MortgageLoanRelatedToPropertySales1" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_MnpiDiscTimedForCompValFlag_terseLabel_en-US" xlink:label="lab_ecd_MnpiDiscTimedForCompValFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">MNPI Disclosure Timed for Compensation Value</link:label>
    <link:label id="lab_ecd_MnpiDiscTimedForCompValFlag_label_en-US" xlink:label="lab_ecd_MnpiDiscTimedForCompValFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">MNPI Disclosure Timed for Compensation Value [Flag]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_MnpiDiscTimedForCompValFlag" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_MnpiDiscTimedForCompValFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_MnpiDiscTimedForCompValFlag" xlink:to="lab_ecd_MnpiDiscTimedForCompValFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableFixedInterestRateLastTwelveMonths_b060b3cf-46cd-4d0d-b60b-7ef34e7949f8_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableFixedInterestRateLastTwelveMonths" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fixed interest rate, last twelve months</link:label>
    <link:label id="lab_abr_FinancingReceivableFixedInterestRateLastTwelveMonths_label_en-US" xlink:label="lab_abr_FinancingReceivableFixedInterestRateLastTwelveMonths" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Fixed Interest Rate, Last Twelve Months</link:label>
    <link:label id="lab_abr_FinancingReceivableFixedInterestRateLastTwelveMonths_documentation_en-US" xlink:label="lab_abr_FinancingReceivableFixedInterestRateLastTwelveMonths" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Fixed Interest Rate, Last Twelve Months</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableFixedInterestRateLastTwelveMonths" xlink:href="abr-20240930.xsd#abr_FinancingReceivableFixedInterestRateLastTwelveMonths"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableFixedInterestRateLastTwelveMonths" xlink:to="lab_abr_FinancingReceivableFixedInterestRateLastTwelveMonths" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockholdersEquity_a5d56533-ddae-4a1f-a068-5c255a6ce126_totalLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total Arbor Realty Trust, Inc. stockholders' equity</link:label>
    <link:label id="lab_us-gaap_StockholdersEquity_label_en-US" xlink:label="lab_us-gaap_StockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity, Attributable to Parent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquity" xlink:to="lab_us-gaap_StockholdersEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RealEstateInvestmentPropertyNet_295c2f76-2597-4755-8507-c8b288b8d791_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateInvestmentPropertyNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real estate owned, net</link:label>
    <link:label id="lab_us-gaap_RealEstateInvestmentPropertyNet_label_en-US" xlink:label="lab_us-gaap_RealEstateInvestmentPropertyNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Investment Property, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateInvestmentPropertyNet" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RealEstateInvestmentPropertyNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateInvestmentPropertyNet" xlink:to="lab_us-gaap_RealEstateInvestmentPropertyNet" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProceedsFromUnsecuredNotesPayable_11033c88-906f-4d78-99ee-d94a44b6a525_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromUnsecuredNotesPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from issuance of senior unsecured notes</link:label>
    <link:label id="lab_us-gaap_ProceedsFromUnsecuredNotesPayable_label_en-US" xlink:label="lab_us-gaap_ProceedsFromUnsecuredNotesPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Unsecured Notes Payable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromUnsecuredNotesPayable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromUnsecuredNotesPayable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromUnsecuredNotesPayable" xlink:to="lab_us-gaap_ProceedsFromUnsecuredNotesPayable" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_IncrementalCommonSharesAttributableToDilutiveEffectOfOperatingPartnershipUnits_3c668efe-6359-4db9-80dd-e632c8c3d3fd_terseLabel_en-US" xlink:label="lab_abr_IncrementalCommonSharesAttributableToDilutiveEffectOfOperatingPartnershipUnits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dilutive effect of OP Units (in shares)</link:label>
    <link:label id="lab_abr_IncrementalCommonSharesAttributableToDilutiveEffectOfOperatingPartnershipUnits_label_en-US" xlink:label="lab_abr_IncrementalCommonSharesAttributableToDilutiveEffectOfOperatingPartnershipUnits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Incremental Common Shares Attributable to Dilutive Effect of Operating Partnership Units</link:label>
    <link:label id="lab_abr_IncrementalCommonSharesAttributableToDilutiveEffectOfOperatingPartnershipUnits_documentation_en-US" xlink:label="lab_abr_IncrementalCommonSharesAttributableToDilutiveEffectOfOperatingPartnershipUnits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of operating partnership units.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_IncrementalCommonSharesAttributableToDilutiveEffectOfOperatingPartnershipUnits" xlink:href="abr-20240930.xsd#abr_IncrementalCommonSharesAttributableToDilutiveEffectOfOperatingPartnershipUnits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_IncrementalCommonSharesAttributableToDilutiveEffectOfOperatingPartnershipUnits" xlink:to="lab_abr_IncrementalCommonSharesAttributableToDilutiveEffectOfOperatingPartnershipUnits" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SeniorUnsecuredNotesOne8.50Member_95217038-8b03-4b1e-a0e3-ba073fc0e537_terseLabel_en-US" xlink:label="lab_abr_SeniorUnsecuredNotesOne8.50Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">8.50% Notes</link:label>
    <link:label id="lab_abr_SeniorUnsecuredNotesOne8.50Member_label_en-US" xlink:label="lab_abr_SeniorUnsecuredNotesOne8.50Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Unsecured Notes One 8.50 [Member]</link:label>
    <link:label id="lab_abr_SeniorUnsecuredNotesOne8.50Member_documentation_en-US" xlink:label="lab_abr_SeniorUnsecuredNotesOne8.50Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for senior unsecured notes due in 2027.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SeniorUnsecuredNotesOne8.50Member" xlink:href="abr-20240930.xsd#abr_SeniorUnsecuredNotesOne8.50Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SeniorUnsecuredNotesOne8.50Member" xlink:to="lab_abr_SeniorUnsecuredNotesOne8.50Member" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_JointRepurchaseFacility100MillionMember_e89b98c9-bbe9-4984-aa54-6bca99381971_terseLabel_en-US" xlink:label="lab_abr_JointRepurchaseFacility100MillionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$100M joint repurchase facility</link:label>
    <link:label id="lab_abr_JointRepurchaseFacility100MillionMember_label_en-US" xlink:label="lab_abr_JointRepurchaseFacility100MillionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Joint Repurchase Facility 100 Million [Member]</link:label>
    <link:label id="lab_abr_JointRepurchaseFacility100MillionMember_documentation_en-US" xlink:label="lab_abr_JointRepurchaseFacility100MillionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to the $500M joint repurchase facility.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_JointRepurchaseFacility100MillionMember" xlink:href="abr-20240930.xsd#abr_JointRepurchaseFacility100MillionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_JointRepurchaseFacility100MillionMember" xlink:to="lab_abr_JointRepurchaseFacility100MillionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_PassWatchMember_ea5210ac-d71a-4217-8b6e-78ee5e9d613a_terseLabel_en-US" xlink:label="lab_abr_PassWatchMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pass/Watch</link:label>
    <link:label id="lab_abr_PassWatchMember_label_en-US" xlink:label="lab_abr_PassWatchMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pass Watch [Member]</link:label>
    <link:label id="lab_abr_PassWatchMember_documentation_en-US" xlink:label="lab_abr_PassWatchMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">A category of financing receivables not considered to be pass, special mention, substandard, doubtful, and loss receivables.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_PassWatchMember" xlink:href="abr-20240930.xsd#abr_PassWatchMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_PassWatchMember" xlink:to="lab_abr_PassWatchMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_PercentageOfMaximumLossSharingObligationOfUnpaidPrincipalBalance_79a9f0f9-4c84-435c-82c5-c547f93dc34b_terseLabel_en-US" xlink:label="lab_abr_PercentageOfMaximumLossSharingObligationOfUnpaidPrincipalBalance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of maximum loss-sharing obligation unpaid principal balance</link:label>
    <link:label id="lab_abr_PercentageOfMaximumLossSharingObligationOfUnpaidPrincipalBalance_label_en-US" xlink:label="lab_abr_PercentageOfMaximumLossSharingObligationOfUnpaidPrincipalBalance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Maximum Loss Sharing Obligation Of Unpaid Principal Balance</link:label>
    <link:label id="lab_abr_PercentageOfMaximumLossSharingObligationOfUnpaidPrincipalBalance_documentation_en-US" xlink:label="lab_abr_PercentageOfMaximumLossSharingObligationOfUnpaidPrincipalBalance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to percentage of maximum loss-sharing obligation unpaid principal balance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_PercentageOfMaximumLossSharingObligationOfUnpaidPrincipalBalance" xlink:href="abr-20240930.xsd#abr_PercentageOfMaximumLossSharingObligationOfUnpaidPrincipalBalance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_PercentageOfMaximumLossSharingObligationOfUnpaidPrincipalBalance" xlink:to="lab_abr_PercentageOfMaximumLossSharingObligationOfUnpaidPrincipalBalance" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NumberOfFinancingReceivablesModifiedDuringPeriod_307a6609-3505-4dcc-943a-78dfece5f4f9_terseLabel_en-US" xlink:label="lab_abr_NumberOfFinancingReceivablesModifiedDuringPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of financing receivables modified during the period</link:label>
    <link:label id="lab_abr_NumberOfFinancingReceivablesModifiedDuringPeriod_label_en-US" xlink:label="lab_abr_NumberOfFinancingReceivablesModifiedDuringPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Financing Receivables Modified During Period</link:label>
    <link:label id="lab_abr_NumberOfFinancingReceivablesModifiedDuringPeriod_documentation_en-US" xlink:label="lab_abr_NumberOfFinancingReceivablesModifiedDuringPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of Financing Receivables Modified During Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NumberOfFinancingReceivablesModifiedDuringPeriod" xlink:href="abr-20240930.xsd#abr_NumberOfFinancingReceivablesModifiedDuringPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NumberOfFinancingReceivablesModifiedDuringPeriod" xlink:to="lab_abr_NumberOfFinancingReceivablesModifiedDuringPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear_7487a6ba-7d61-4e7c-86e8-eaac9d0df11d_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Origination Year One</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear" xlink:to="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate_018dd978-c200-477c-8d6f-1d901affbb99_terseLabel_en-US" xlink:label="lab_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gain on sale of real estate</link:label>
    <link:label id="lab_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate_8495e4ad-3b06-4867-a81a-8ca4f12f97c7_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Gain on sale of real estate</link:label>
    <link:label id="lab_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate_label_en-US" xlink:label="lab_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (Losses) on Sales of Investment Real Estate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainsLossesOnSalesOfInvestmentRealEstate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate" xlink:to="lab_us-gaap_GainsLossesOnSalesOfInvestmentRealEstate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ConcentrationRiskTypeDomain_52d259b6-9e2a-42c7-9996-719b772d1362_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Concentration Risk Type [Domain]</link:label>
    <link:label id="lab_us-gaap_ConcentrationRiskTypeDomain_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk Type [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskTypeDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskTypeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConcentrationRiskTypeDomain" xlink:to="lab_us-gaap_ConcentrationRiskTypeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_d4a29ee6-dff4-48bd-8ba2-8395ecd388e7_terseLabel_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outstanding letters of credit</link:label>
    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_label_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letters of Credit Outstanding, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LettersOfCreditOutstandingAmount" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LettersOfCreditOutstandingAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LettersOfCreditOutstandingAmount" xlink:to="lab_us-gaap_LettersOfCreditOutstandingAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_f906de98-3ac1-447e-885e-f30ed576bf1f_terseLabel_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Selling and administrative</link:label>
    <link:label id="lab_us-gaap_SellingGeneralAndAdministrativeExpense_label_en-US" xlink:label="lab_us-gaap_SellingGeneralAndAdministrativeExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Selling, General and Administrative Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SellingGeneralAndAdministrativeExpense" xlink:to="lab_us-gaap_SellingGeneralAndAdministrativeExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_AcquisitionFinancingAgreementMember_aadfa993-fe29-4658-9c15-2170df847ed6_terseLabel_en-US" xlink:label="lab_abr_AcquisitionFinancingAgreementMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred equity interest financing agreement</link:label>
    <link:label id="lab_abr_AcquisitionFinancingAgreementMember_label_en-US" xlink:label="lab_abr_AcquisitionFinancingAgreementMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred equity interest financing agreement</link:label>
    <link:label id="lab_abr_AcquisitionFinancingAgreementMember_documentation_en-US" xlink:label="lab_abr_AcquisitionFinancingAgreementMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining finance agreement for acquisition purpose.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_AcquisitionFinancingAgreementMember" xlink:href="abr-20240930.xsd#abr_AcquisitionFinancingAgreementMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_AcquisitionFinancingAgreementMember" xlink:to="lab_abr_AcquisitionFinancingAgreementMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DoubtfulMember_310eb051-d723-4598-8ba5-e92899887468_terseLabel_en-US" xlink:label="lab_us-gaap_DoubtfulMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Doubtful</link:label>
    <link:label id="lab_us-gaap_DoubtfulMember_label_en-US" xlink:label="lab_us-gaap_DoubtfulMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Doubtful [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DoubtfulMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DoubtfulMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DoubtfulMember" xlink:to="lab_us-gaap_DoubtfulMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NumberOfLoansUnderSpecifiedLoanPortfolio_97fbeb4a-1376-4a6e-ac97-48899f63029e_terseLabel_en-US" xlink:label="lab_abr_NumberOfLoansUnderSpecifiedLoanPortfolio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of loans</link:label>
    <link:label id="lab_abr_NumberOfLoansUnderSpecifiedLoanPortfolio_label_en-US" xlink:label="lab_abr_NumberOfLoansUnderSpecifiedLoanPortfolio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Loans Under The Portfolio</link:label>
    <link:label id="lab_abr_NumberOfLoansUnderSpecifiedLoanPortfolio_documentation_en-US" xlink:label="lab_abr_NumberOfLoansUnderSpecifiedLoanPortfolio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the number of loans related to the real estate property under the loan portfolio.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NumberOfLoansUnderSpecifiedLoanPortfolio" xlink:href="abr-20240930.xsd#abr_NumberOfLoansUnderSpecifiedLoanPortfolio"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NumberOfLoansUnderSpecifiedLoanPortfolio" xlink:to="lab_abr_NumberOfLoansUnderSpecifiedLoanPortfolio" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ImmediateFamilyMemberOfManagementOrPrincipalOwnerMember_60031709-a0ca-4e77-9ae1-30c384dde1a3_terseLabel_en-US" xlink:label="lab_us-gaap_ImmediateFamilyMemberOfManagementOrPrincipalOwnerMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Immediate Family Member of Management or Principal Owner</link:label>
    <link:label id="lab_us-gaap_ImmediateFamilyMemberOfManagementOrPrincipalOwnerMember_label_en-US" xlink:label="lab_us-gaap_ImmediateFamilyMemberOfManagementOrPrincipalOwnerMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Immediate Family Member of Management or Principal Owner [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImmediateFamilyMemberOfManagementOrPrincipalOwnerMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ImmediateFamilyMemberOfManagementOrPrincipalOwnerMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ImmediateFamilyMemberOfManagementOrPrincipalOwnerMember" xlink:to="lab_us-gaap_ImmediateFamilyMemberOfManagementOrPrincipalOwnerMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NumberOfEntities_2c90e612-d71c-4598-a94c-ae86132020ed_terseLabel_en-US" xlink:label="lab_abr_NumberOfEntities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of Kaufman entities</link:label>
    <link:label id="lab_abr_NumberOfEntities_label_en-US" xlink:label="lab_abr_NumberOfEntities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Entities</link:label>
    <link:label id="lab_abr_NumberOfEntities_documentation_en-US" xlink:label="lab_abr_NumberOfEntities" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of Entities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NumberOfEntities" xlink:href="abr-20240930.xsd#abr_NumberOfEntities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NumberOfEntities" xlink:to="lab_abr_NumberOfEntities" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ProceedsFromIssuanceOfCollateralizedLoanObligationsForAcquiringAdditionalLoan_9282daa4-5e26-4ca3-a884-7ea8e443b31f_terseLabel_en-US" xlink:label="lab_abr_ProceedsFromIssuanceOfCollateralizedLoanObligationsForAcquiringAdditionalLoan" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from issuance of collateralized loan obligations for acquiring additional loan obligations</link:label>
    <link:label id="lab_abr_ProceedsFromIssuanceOfCollateralizedLoanObligationsForAcquiringAdditionalLoan_label_en-US" xlink:label="lab_abr_ProceedsFromIssuanceOfCollateralizedLoanObligationsForAcquiringAdditionalLoan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds From Issuance Of Collateralized Loan Obligations for Acquiring Additional Loan</link:label>
    <link:label id="lab_abr_ProceedsFromIssuanceOfCollateralizedLoanObligationsForAcquiringAdditionalLoan_documentation_en-US" xlink:label="lab_abr_ProceedsFromIssuanceOfCollateralizedLoanObligationsForAcquiringAdditionalLoan" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The cash inflow from amounts received from issuance of collateralized loan obligations for the purpose of acquiring additional loan obligations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ProceedsFromIssuanceOfCollateralizedLoanObligationsForAcquiringAdditionalLoan" xlink:href="abr-20240930.xsd#abr_ProceedsFromIssuanceOfCollateralizedLoanObligationsForAcquiringAdditionalLoan"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ProceedsFromIssuanceOfCollateralizedLoanObligationsForAcquiringAdditionalLoan" xlink:to="lab_abr_ProceedsFromIssuanceOfCollateralizedLoanObligationsForAcquiringAdditionalLoan" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableBorrowerRequirementCapitalImprovements_431e0686-2e0e-4250-a26e-9d6e275133ef_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableBorrowerRequirementCapitalImprovements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing receivable, borrower requirement, capital improvements</link:label>
    <link:label id="lab_abr_FinancingReceivableBorrowerRequirementCapitalImprovements_label_en-US" xlink:label="lab_abr_FinancingReceivableBorrowerRequirementCapitalImprovements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Borrower Requirement, Capital Improvements</link:label>
    <link:label id="lab_abr_FinancingReceivableBorrowerRequirementCapitalImprovements_documentation_en-US" xlink:label="lab_abr_FinancingReceivableBorrowerRequirementCapitalImprovements" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Borrower Requirement, Capital Improvements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableBorrowerRequirementCapitalImprovements" xlink:href="abr-20240930.xsd#abr_FinancingReceivableBorrowerRequirementCapitalImprovements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableBorrowerRequirementCapitalImprovements" xlink:to="lab_abr_FinancingReceivableBorrowerRequirementCapitalImprovements" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate_b1f8b235-c21d-4ad4-8e54-3cb199df88cb_verboseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Allowance for credit losses on impaired loans</link:label>
    <link:label id="lab_us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate_label_en-US" xlink:label="lab_us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate" xlink:to="lab_us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SaleOfStockNameOfTransactionDomain_a25b6c41-25b8-4c98-9ff5-f248b62a8999_terseLabel_en-US" xlink:label="lab_us-gaap_SaleOfStockNameOfTransactionDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sale of Stock [Domain]</link:label>
    <link:label id="lab_us-gaap_SaleOfStockNameOfTransactionDomain_label_en-US" xlink:label="lab_us-gaap_SaleOfStockNameOfTransactionDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale of Stock [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNameOfTransactionDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNameOfTransactionDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SaleOfStockNameOfTransactionDomain" xlink:to="lab_us-gaap_SaleOfStockNameOfTransactionDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock_65466bb4-0496-4434-85a2-6057f85d132f_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Measurements, Recurring and Nonrecurring</link:label>
    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Measurements, Recurring and Nonrecurring [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" xlink:to="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_ae47fb97-079b-4f3e-a36a-0d0bab359ad7_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalPeriodFocus_label_en-US" xlink:label="lab_dei_DocumentFiscalPeriodFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Fiscal Period Focus</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalPeriodFocus" xlink:to="lab_dei_DocumentFiscalPeriodFocus" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_790f8204-7504-49ad-bf34-f6736f997ef1_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2028</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-Term Debt, Maturity, Year Four</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AllExecutiveCategoriesMember_terseLabel_en-US" xlink:label="lab_ecd_AllExecutiveCategoriesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">All Executive Categories</link:label>
    <link:label id="lab_ecd_AllExecutiveCategoriesMember_label_en-US" xlink:label="lab_ecd_AllExecutiveCategoriesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">All Executive Categories [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AllExecutiveCategoriesMember" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AllExecutiveCategoriesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_AllExecutiveCategoriesMember" xlink:to="lab_ecd_AllExecutiveCategoriesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_1a69bd16-77f3-4afa-b367-04c430a9ace2_terseLabel_en-US" xlink:label="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dilutive effect of RSUs (in shares)</link:label>
    <link:label id="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_label_en-US" xlink:label="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:to="lab_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EquitySecuritiesMember_d6465484-ba1c-438c-831b-42925cddc33f_terseLabel_en-US" xlink:label="lab_us-gaap_EquitySecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity investments</link:label>
    <link:label id="lab_us-gaap_EquitySecuritiesMember_label_en-US" xlink:label="lab_us-gaap_EquitySecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Securities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquitySecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquitySecuritiesMember" xlink:to="lab_us-gaap_EquitySecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_1d1bc916-9519-4375-b4f3-eb3850d65ebe_verboseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2026</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Asset, Expected Amortization, Year Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FairValueOfFutureMortgageServicingRights_db161414-b3b7-47ea-a2b4-4c6da2ff9279_terseLabel_en-US" xlink:label="lab_abr_FairValueOfFutureMortgageServicingRights" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair value of future MSR</link:label>
    <link:label id="lab_abr_FairValueOfFutureMortgageServicingRights_label_en-US" xlink:label="lab_abr_FairValueOfFutureMortgageServicingRights" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value of Future Mortgage Servicing Rights</link:label>
    <link:label id="lab_abr_FairValueOfFutureMortgageServicingRights_documentation_en-US" xlink:label="lab_abr_FairValueOfFutureMortgageServicingRights" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of fair value of future mortgage servicing rights.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FairValueOfFutureMortgageServicingRights" xlink:href="abr-20240930.xsd#abr_FairValueOfFutureMortgageServicingRights"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FairValueOfFutureMortgageServicingRights" xlink:to="lab_abr_FairValueOfFutureMortgageServicingRights" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_ChangedPeerGroupFnTextBlock_terseLabel_en-US" xlink:label="lab_ecd_ChangedPeerGroupFnTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Changed Peer Group, Footnote</link:label>
    <link:label id="lab_ecd_ChangedPeerGroupFnTextBlock_label_en-US" xlink:label="lab_ecd_ChangedPeerGroupFnTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Changed Peer Group, Footnote [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_ChangedPeerGroupFnTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_ChangedPeerGroupFnTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_ChangedPeerGroupFnTextBlock" xlink:to="lab_ecd_ChangedPeerGroupFnTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AssetsAbstract_c837e35a-f563-4b1c-b814-c648dd7c0098_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets:</link:label>
    <link:label id="lab_us-gaap_AssetsAbstract_label_en-US" xlink:label="lab_us-gaap_AssetsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsAbstract" xlink:to="lab_us-gaap_AssetsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NewLoansOriginated_394c56f8-547a-4dbe-a9b7-aef256df1170_verboseLabel_en-US" xlink:label="lab_abr_NewLoansOriginated" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Total New Loan Originations</link:label>
    <link:label id="lab_abr_NewLoansOriginated_label_en-US" xlink:label="lab_abr_NewLoansOriginated" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Loans Originated</link:label>
    <link:label id="lab_abr_NewLoansOriginated_documentation_en-US" xlink:label="lab_abr_NewLoansOriginated" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of new loans originated during the period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NewLoansOriginated" xlink:href="abr-20240930.xsd#abr_NewLoansOriginated"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NewLoansOriginated" xlink:to="lab_abr_NewLoansOriginated" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LoansOriginated_dd15f40f-4959-499b-abd9-85be3e99dd14_terseLabel_en-US" xlink:label="lab_abr_LoansOriginated" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Origination Volumes</link:label>
    <link:label id="lab_abr_LoansOriginated_label_en-US" xlink:label="lab_abr_LoansOriginated" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Originated</link:label>
    <link:label id="lab_abr_LoansOriginated_documentation_en-US" xlink:label="lab_abr_LoansOriginated" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of loans originated during the period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LoansOriginated" xlink:href="abr-20240930.xsd#abr_LoansOriginated"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LoansOriginated" xlink:to="lab_abr_LoansOriginated" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RepurchaseFacility150MillionMember_ebac1c49-da52-4d2b-bb2b-256d65f10722_terseLabel_en-US" xlink:label="lab_abr_RepurchaseFacility150MillionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$150M repurchase facility</link:label>
    <link:label id="lab_abr_RepurchaseFacility150MillionMember_label_en-US" xlink:label="lab_abr_RepurchaseFacility150MillionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repurchase Facility 150 Million [Member]</link:label>
    <link:label id="lab_abr_RepurchaseFacility150MillionMember_documentation_en-US" xlink:label="lab_abr_RepurchaseFacility150MillionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Repurchase Facility 150 Million</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RepurchaseFacility150MillionMember" xlink:href="abr-20240930.xsd#abr_RepurchaseFacility150MillionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RepurchaseFacility150MillionMember" xlink:to="lab_abr_RepurchaseFacility150MillionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentType_518e14ae-1ec5-41ea-baec-12f90aa2c5f7_terseLabel_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:label id="lab_dei_DocumentType_label_en-US" xlink:label="lab_dei_DocumentType" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Type</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentType"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentType" xlink:to="lab_dei_DocumentType" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeContractTypeDomain_011ac868-28eb-4f33-ab89-889ee18702c1_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeContractTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Contract [Domain]</link:label>
    <link:label id="lab_us-gaap_DerivativeContractTypeDomain_label_en-US" xlink:label="lab_us-gaap_DerivativeContractTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Contract [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeContractTypeDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeContractTypeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeContractTypeDomain" xlink:to="lab_us-gaap_DerivativeContractTypeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_adae8d18-b335-4859-859a-2dde2f6dec89_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average cost of notes, percentage</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rate, Effective Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentInterestRateEffectivePercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:to="lab_us-gaap_DebtInstrumentInterestRateEffectivePercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LoansInsuredOrGuaranteedByGovernmentAuthoritiesAxis_ac10bd95-d339-4f4e-8926-6ec4fc928b07_terseLabel_en-US" xlink:label="lab_us-gaap_LoansInsuredOrGuaranteedByGovernmentAuthoritiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans Insured or Guaranteed by Government Authorities [Axis]</link:label>
    <link:label id="lab_us-gaap_LoansInsuredOrGuaranteedByGovernmentAuthoritiesAxis_label_en-US" xlink:label="lab_us-gaap_LoansInsuredOrGuaranteedByGovernmentAuthoritiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Insured or Guaranteed by Government Authorities [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoansInsuredOrGuaranteedByGovernmentAuthoritiesAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LoansInsuredOrGuaranteedByGovernmentAuthoritiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansInsuredOrGuaranteedByGovernmentAuthoritiesAxis" xlink:to="lab_us-gaap_LoansInsuredOrGuaranteedByGovernmentAuthoritiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_7c7aefff-ff8c-43d2-a812-2b422d1fda5e_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Statement of Income and Balance Sheet by Segment</link:label>
    <link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Segment Reporting Information, by Segment [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:to="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_DebtObligations_5393cd6c-a876-4152-b595-96893fd441a5_terseLabel_en-US" xlink:label="lab_abr_DebtObligations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt obligations</link:label>
    <link:label id="lab_abr_DebtObligations_label_en-US" xlink:label="lab_abr_DebtObligations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Obligation</link:label>
    <link:label id="lab_abr_DebtObligations_documentation_en-US" xlink:label="lab_abr_DebtObligations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount debt obligations, including credit facilities, notes, collateralized loan obligations and related party financing.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_DebtObligations" xlink:href="abr-20240930.xsd#abr_DebtObligations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_DebtObligations" xlink:to="lab_abr_DebtObligations" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_AsapAgreement750MillionMember_cf78aa54-ec8e-493a-8fbf-bc0a3e76b249_terseLabel_en-US" xlink:label="lab_abr_AsapAgreement750MillionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$750M ASAP agreement</link:label>
    <link:label id="lab_abr_AsapAgreement750MillionMember_label_en-US" xlink:label="lab_abr_AsapAgreement750MillionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Asap Agreement 750 Million [Member]</link:label>
    <link:label id="lab_abr_AsapAgreement750MillionMember_documentation_en-US" xlink:label="lab_abr_AsapAgreement750MillionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to $750 million ASAP agreement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_AsapAgreement750MillionMember" xlink:href="abr-20240930.xsd#abr_AsapAgreement750MillionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_AsapAgreement750MillionMember" xlink:to="lab_abr_AsapAgreement750MillionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InterestExpenseDebtExcludingAmortization_2ac1d4bd-07c8-4d36-a054-caa96bd2408b_terseLabel_en-US" xlink:label="lab_us-gaap_InterestExpenseDebtExcludingAmortization" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest expense related to cash coupon</link:label>
    <link:label id="lab_us-gaap_InterestExpenseDebtExcludingAmortization_label_en-US" xlink:label="lab_us-gaap_InterestExpenseDebtExcludingAmortization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense, Debt, Excluding Amortization</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDebtExcludingAmortization" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseDebtExcludingAmortization"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpenseDebtExcludingAmortization" xlink:to="lab_us-gaap_InterestExpenseDebtExcludingAmortization" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmountAbstract_b91ae928-b426-451b-8c27-7b3f23ac4fa9_terseLabel_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmountAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity [Abstract]</link:label>
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmountAbstract_label_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmountAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Maturity [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmountAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmountAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmountAbstract" xlink:to="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesNetCarryingAmountAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancialAsset60DaysPastDueMember_3402aa41-0ff8-4d8a-854a-d43ddaedc13f_terseLabel_en-US" xlink:label="lab_abr_FinancialAsset60DaysPastDueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Asset, 60 Days Past Due</link:label>
    <link:label id="lab_abr_FinancialAsset60DaysPastDueMember_label_en-US" xlink:label="lab_abr_FinancialAsset60DaysPastDueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Asset, 60 Days Past Due [Member]</link:label>
    <link:label id="lab_abr_FinancialAsset60DaysPastDueMember_documentation_en-US" xlink:label="lab_abr_FinancialAsset60DaysPastDueMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Asset, 60 Days Past Due</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancialAsset60DaysPastDueMember" xlink:href="abr-20240930.xsd#abr_FinancialAsset60DaysPastDueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancialAsset60DaysPastDueMember" xlink:to="lab_abr_FinancialAsset60DaysPastDueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet_a3e4112c-e9b2-4f78-8ba9-8aad66457c8c_terseLabel_en-US" xlink:label="lab_us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and investments, net (allowance for credit losses of $243,588 and $195,664)</link:label>
    <link:label id="lab_us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet_5feb043c-df34-4a04-a29d-3f83a22efd85_totalLabel_en-US" xlink:label="lab_us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Loans and investments, net</link:label>
    <link:label id="lab_us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet_9663ec44-5c73-4f8f-8eae-c5222f91ab86_verboseLabel_en-US" xlink:label="lab_us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Loans and investments, net</link:label>
    <link:label id="lab_us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet_label_en-US" xlink:label="lab_us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Loans on Real Estate, Commercial and Consumer, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet" xlink:to="lab_us-gaap_MortgageLoansOnRealEstateCommercialAndConsumerNet" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CostsAndExpensesRelatedParty_fa514d93-435a-4603-970e-5a15995295d8_terseLabel_en-US" xlink:label="lab_us-gaap_CostsAndExpensesRelatedParty" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Costs for services to related party</link:label>
    <link:label id="lab_us-gaap_CostsAndExpensesRelatedParty_label_en-US" xlink:label="lab_us-gaap_CostsAndExpensesRelatedParty" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Costs and Expenses, Related Party</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpensesRelatedParty" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CostsAndExpensesRelatedParty"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CostsAndExpensesRelatedParty" xlink:to="lab_us-gaap_CostsAndExpensesRelatedParty" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SubordinatedLoanMember_0d0b9dfd-f238-42da-8972-00b744a4ebfa_terseLabel_en-US" xlink:label="lab_abr_SubordinatedLoanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Secondary Loan</link:label>
    <link:label id="lab_abr_SubordinatedLoanMember_label_en-US" xlink:label="lab_abr_SubordinatedLoanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subordinated Loan [Member]</link:label>
    <link:label id="lab_abr_SubordinatedLoanMember_documentation_en-US" xlink:label="lab_abr_SubordinatedLoanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Subordinated Loan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SubordinatedLoanMember" xlink:href="abr-20240930.xsd#abr_SubordinatedLoanMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SubordinatedLoanMember" xlink:to="lab_abr_SubordinatedLoanMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_22f35d94-a92b-45c9-91d5-e01a886b1f68_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Expected Amortization of Capitalized MSRs</link:label>
    <link:label id="lab_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:to="lab_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LineOfCreditFacilityNumberOfFacilitiesConsolidated_c2acd8fd-c1e6-4bf5-962b-237f9bd2f351_terseLabel_en-US" xlink:label="lab_abr_LineOfCreditFacilityNumberOfFacilitiesConsolidated" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of credit facility, number of facilities consolidated</link:label>
    <link:label id="lab_abr_LineOfCreditFacilityNumberOfFacilitiesConsolidated_label_en-US" xlink:label="lab_abr_LineOfCreditFacilityNumberOfFacilitiesConsolidated" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line Of Credit Facility, Number Of Facilities Consolidated</link:label>
    <link:label id="lab_abr_LineOfCreditFacilityNumberOfFacilitiesConsolidated_documentation_en-US" xlink:label="lab_abr_LineOfCreditFacilityNumberOfFacilitiesConsolidated" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Line Of Credit Facility, Number Of Facilities Consolidated</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LineOfCreditFacilityNumberOfFacilitiesConsolidated" xlink:href="abr-20240930.xsd#abr_LineOfCreditFacilityNumberOfFacilitiesConsolidated"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LineOfCreditFacilityNumberOfFacilitiesConsolidated" xlink:to="lab_abr_LineOfCreditFacilityNumberOfFacilitiesConsolidated" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MaximumMember_b4f6ff87-b46f-4fae-b043-6b0d3ed2042c_terseLabel_en-US" xlink:label="lab_srt_MaximumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum</link:label>
    <link:label id="lab_srt_MaximumMember_label_en-US" xlink:label="lab_srt_MaximumMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maximum [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MaximumMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MaximumMember" xlink:to="lab_srt_MaximumMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_EquityValuationAssumptionDifferenceFnTextBlock_terseLabel_en-US" xlink:label="lab_ecd_EquityValuationAssumptionDifferenceFnTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Valuation Assumption Difference, Footnote</link:label>
    <link:label id="lab_ecd_EquityValuationAssumptionDifferenceFnTextBlock_label_en-US" xlink:label="lab_ecd_EquityValuationAssumptionDifferenceFnTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Valuation Assumption Difference, Footnote [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_EquityValuationAssumptionDifferenceFnTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_EquityValuationAssumptionDifferenceFnTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_EquityValuationAssumptionDifferenceFnTextBlock" xlink:to="lab_ecd_EquityValuationAssumptionDifferenceFnTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_39eff408-576d-4e9d-945c-d16026b154c9_totalLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsNet" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_0d85823e-a072-4f4a-85a1-fc42d22c7e14_terseLabel_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Antidilutive Securities [Axis]</link:label>
    <link:label id="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_label_en-US" xlink:label="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Antidilutive Securities [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:to="lab_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InvestmentTypeAxis_d25cbd51-be38-46bd-9ddb-48298c0b18ac_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment Type [Axis]</link:label>
    <link:label id="lab_us-gaap_InvestmentTypeAxis_label_en-US" xlink:label="lab_us-gaap_InvestmentTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentTypeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentTypeAxis" xlink:to="lab_us-gaap_InvestmentTypeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_RangeAxis_9a8b5044-50d6-4f0e-9d9c-3949d41996ee_terseLabel_en-US" xlink:label="lab_srt_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Axis]</link:label>
    <link:label id="lab_srt_RangeAxis_label_en-US" xlink:label="lab_srt_RangeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RangeAxis" xlink:to="lab_srt_RangeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_NonRule10b51ArrTrmntdFlag_terseLabel_en-US" xlink:label="lab_ecd_NonRule10b51ArrTrmntdFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-Rule 10b5-1 Arrangement Terminated</link:label>
    <link:label id="lab_ecd_NonRule10b51ArrTrmntdFlag_label_en-US" xlink:label="lab_ecd_NonRule10b51ArrTrmntdFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-Rule 10b5-1 Arrangement Terminated [Flag]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_NonRule10b51ArrTrmntdFlag" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_NonRule10b51ArrTrmntdFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_NonRule10b51ArrTrmntdFlag" xlink:to="lab_ecd_NonRule10b51ArrTrmntdFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_GranteeStatusDomain_fc851ad8-a572-426e-9ca0-28131aaed91d_terseLabel_en-US" xlink:label="lab_us-gaap_GranteeStatusDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grantee Status [Domain]</link:label>
    <link:label id="lab_us-gaap_GranteeStatusDomain_label_en-US" xlink:label="lab_us-gaap_GranteeStatusDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grantee Status [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GranteeStatusDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GranteeStatusDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GranteeStatusDomain" xlink:to="lab_us-gaap_GranteeStatusDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_NonPeoNeoAvgTotalCompAmt_terseLabel_en-US" xlink:label="lab_ecd_NonPeoNeoAvgTotalCompAmt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-PEO NEO Average Total Compensation Amount</link:label>
    <link:label id="lab_ecd_NonPeoNeoAvgTotalCompAmt_label_en-US" xlink:label="lab_ecd_NonPeoNeoAvgTotalCompAmt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-PEO NEO Average Total Compensation Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_NonPeoNeoAvgTotalCompAmt" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_NonPeoNeoAvgTotalCompAmt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_NonPeoNeoAvgTotalCompAmt" xlink:to="lab_ecd_NonPeoNeoAvgTotalCompAmt" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_VestingPeriodOneMember_93d294ff-9c9c-448b-a655-e1014dcfe1ec_terseLabel_en-US" xlink:label="lab_abr_VestingPeriodOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">First anniversaries</link:label>
    <link:label id="lab_abr_VestingPeriodOneMember_label_en-US" xlink:label="lab_abr_VestingPeriodOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vesting Period One [Member]</link:label>
    <link:label id="lab_abr_VestingPeriodOneMember_documentation_en-US" xlink:label="lab_abr_VestingPeriodOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member represents the information pertaining to the first vesting period established by the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_VestingPeriodOneMember" xlink:href="abr-20240930.xsd#abr_VestingPeriodOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_VestingPeriodOneMember" xlink:to="lab_abr_VestingPeriodOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_OutstandingRecoveryIndName_terseLabel_en-US" xlink:label="lab_ecd_OutstandingRecoveryIndName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Name</link:label>
    <link:label id="lab_ecd_OutstandingRecoveryIndName_label_en-US" xlink:label="lab_ecd_OutstandingRecoveryIndName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Outstanding Recovery, Individual Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_OutstandingRecoveryIndName" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_OutstandingRecoveryIndName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_OutstandingRecoveryIndName" xlink:to="lab_ecd_OutstandingRecoveryIndName" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates_a6364c0a-765c-4ed2-af86-7c89f0cb1b69_verboseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Distributions from equity affiliates</link:label>
    <link:label id="lab_us-gaap_ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates_label_en-US" xlink:label="lab_us-gaap_ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Divestiture of Interest in Subsidiaries and Affiliates</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates" xlink:to="lab_us-gaap_ProceedsFromDivestitureOfInterestInSubsidiariesAndAffiliates" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CollateralizedLoanObligationsNineteenMember_082148cd-1feb-49f4-9eff-e7019e24d0ca_terseLabel_en-US" xlink:label="lab_abr_CollateralizedLoanObligationsNineteenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CLO 19</link:label>
    <link:label id="lab_abr_CollateralizedLoanObligationsNineteenMember_label_en-US" xlink:label="lab_abr_CollateralizedLoanObligationsNineteenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collateralized Loan Obligations Nineteen [Member]</link:label>
    <link:label id="lab_abr_CollateralizedLoanObligationsNineteenMember_documentation_en-US" xlink:label="lab_abr_CollateralizedLoanObligationsNineteenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for collateralized loan obligations nineteen.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CollateralizedLoanObligationsNineteenMember" xlink:href="abr-20240930.xsd#abr_CollateralizedLoanObligationsNineteenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CollateralizedLoanObligationsNineteenMember" xlink:to="lab_abr_CollateralizedLoanObligationsNineteenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_TitleOfIndividualAxis_eb7cb02f-f86d-4b22-b6a6-a394e737178f_terseLabel_en-US" xlink:label="lab_srt_TitleOfIndividualAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Title of Individual [Axis]</link:label>
    <link:label id="lab_srt_TitleOfIndividualAxis_label_en-US" xlink:label="lab_srt_TitleOfIndividualAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Title and Position [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualAxis" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_TitleOfIndividualAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_TitleOfIndividualAxis" xlink:to="lab_srt_TitleOfIndividualAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_DistributionsFromEquityAffiliates_e0987e60-c843-4648-b413-afbe7052b028_terseLabel_en-US" xlink:label="lab_abr_DistributionsFromEquityAffiliates" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Distributions from operations of equity affiliates</link:label>
    <link:label id="lab_abr_DistributionsFromEquityAffiliates_label_en-US" xlink:label="lab_abr_DistributionsFromEquityAffiliates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Distributions From Equity Affiliates</link:label>
    <link:label id="lab_abr_DistributionsFromEquityAffiliates_documentation_en-US" xlink:label="lab_abr_DistributionsFromEquityAffiliates" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of distributions from equity affiliates.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_DistributionsFromEquityAffiliates" xlink:href="abr-20240930.xsd#abr_DistributionsFromEquityAffiliates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_DistributionsFromEquityAffiliates" xlink:to="lab_abr_DistributionsFromEquityAffiliates" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ServicingAssetAtAmortizedValueAdditions_6b8a6d5c-7644-4ae3-9401-a04ce266cfe0_terseLabel_en-US" xlink:label="lab_us-gaap_ServicingAssetAtAmortizedValueAdditions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additions</link:label>
    <link:label id="lab_us-gaap_ServicingAssetAtAmortizedValueAdditions_label_en-US" xlink:label="lab_us-gaap_ServicingAssetAtAmortizedValueAdditions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Servicing Asset at Amortized Cost, Additions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ServicingAssetAtAmortizedValueAdditions" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ServicingAssetAtAmortizedValueAdditions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ServicingAssetAtAmortizedValueAdditions" xlink:to="lab_us-gaap_ServicingAssetAtAmortizedValueAdditions" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LineOfCreditFacilityExpirationPeriod_923a8fb1-d317-460c-b2a5-f39a42e54e35_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityExpirationPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expiration period after the lender provides written notice</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityExpirationPeriod_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityExpirationPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Expiration Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityExpirationPeriod" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityExpirationPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityExpirationPeriod" xlink:to="lab_us-gaap_LineOfCreditFacilityExpirationPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AwardTmgPredtrmndFlag_terseLabel_en-US" xlink:label="lab_ecd_AwardTmgPredtrmndFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Award Timing Predetermined</link:label>
    <link:label id="lab_ecd_AwardTmgPredtrmndFlag_label_en-US" xlink:label="lab_ecd_AwardTmgPredtrmndFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Award Timing Predetermined [Flag]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AwardTmgPredtrmndFlag" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AwardTmgPredtrmndFlag"/>
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    <link:label id="lab_us-gaap_SubsequentEventTypeDomain_6478e6c7-9c58-4279-9374-6514e50e0b97_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsequent Event Type [Domain]</link:label>
    <link:label id="lab_us-gaap_SubsequentEventTypeDomain_label_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Event Type [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTypeDomain" xlink:to="lab_us-gaap_SubsequentEventTypeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PaymentsOfDividendsCommonStock_fb4d6e54-7b9d-4720-b48b-52cf1a6fe262_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfDividendsCommonStock" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Distributions to stockholders</link:label>
    <link:label id="lab_us-gaap_PaymentsOfDividendsCommonStock_label_en-US" xlink:label="lab_us-gaap_PaymentsOfDividendsCommonStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments of Ordinary Dividends, Common Stock</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfDividendsCommonStock" xlink:to="lab_us-gaap_PaymentsOfDividendsCommonStock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EquityMethodInvestmentAggregateCost_6e82b98b-6546-4979-b150-bfc535052c7c_terseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentAggregateCost" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount invested</link:label>
    <link:label id="lab_us-gaap_EquityMethodInvestmentAggregateCost_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentAggregateCost" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Aggregate Cost</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentAggregateCost" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityMethodInvestmentAggregateCost"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentAggregateCost" xlink:to="lab_us-gaap_EquityMethodInvestmentAggregateCost" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LoansAssumed1_caa68328-5d7e-4291-931c-8bbe14e40470_terseLabel_en-US" xlink:label="lab_us-gaap_LoansAssumed1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans assumed</link:label>
    <link:label id="lab_us-gaap_LoansAssumed1_label_en-US" xlink:label="lab_us-gaap_LoansAssumed1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Assumed</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoansAssumed1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LoansAssumed1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansAssumed1" xlink:to="lab_us-gaap_LoansAssumed1" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_PartnershipInterestMember_5161f65c-d4e2-46d5-ba9b-6627396b3e7d_terseLabel_en-US" xlink:label="lab_srt_PartnershipInterestMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating Partnership Units</link:label>
    <link:label id="lab_srt_PartnershipInterestMember_label_en-US" xlink:label="lab_srt_PartnershipInterestMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Partnership Interest [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_PartnershipInterestMember" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_PartnershipInterestMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_PartnershipInterestMember" xlink:to="lab_srt_PartnershipInterestMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_5473de0e-9e54-4d20-93c6-3deef3dd3503_terseLabel_en-US" xlink:label="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment, Name [Axis]</link:label>
    <link:label id="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_label_en-US" xlink:label="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment, Name [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:to="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EarningsPerShareDiluted_c90b4834-0a87-4513-b987-e7dad5958a39_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted earnings per common share (in dollars per share)</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareDiluted_ee970c7c-5edd-4ab8-8109-9aa6faa86e09_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net income per common share (in dollars per share)</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareDiluted_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareDiluted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Diluted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareDiluted" xlink:to="lab_us-gaap_EarningsPerShareDiluted" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_RepurchaseAgreementCounterpartyNameDomain_09f9c3a7-e8e9-456a-894e-06c872fde67c_terseLabel_en-US" xlink:label="lab_srt_RepurchaseAgreementCounterpartyNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Counterparty Name [Domain]</link:label>
    <link:label id="lab_srt_RepurchaseAgreementCounterpartyNameDomain_label_en-US" xlink:label="lab_srt_RepurchaseAgreementCounterpartyNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Counterparty Name [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RepurchaseAgreementCounterpartyNameDomain" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RepurchaseAgreementCounterpartyNameDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RepurchaseAgreementCounterpartyNameDomain" xlink:to="lab_srt_RepurchaseAgreementCounterpartyNameDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PerformanceGuaranteeMember_1bdd558b-5cbb-4ab8-ad14-d502ac6b3b5f_terseLabel_en-US" xlink:label="lab_us-gaap_PerformanceGuaranteeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss-Sharing Obligation</link:label>
    <link:label id="lab_us-gaap_PerformanceGuaranteeMember_label_en-US" xlink:label="lab_us-gaap_PerformanceGuaranteeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Performance Guarantee [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceGuaranteeMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PerformanceGuaranteeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PerformanceGuaranteeMember" xlink:to="lab_us-gaap_PerformanceGuaranteeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CurrentIncomeTaxExpenseBenefit_f85f346a-53b9-4a2a-a9c5-6cc50c39f45a_terseLabel_en-US" xlink:label="lab_us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current tax provision</link:label>
    <link:label id="lab_us-gaap_CurrentIncomeTaxExpenseBenefit_label_en-US" xlink:label="lab_us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Income Tax Expense (Benefit)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:to="lab_us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_RestatementDoesNotRequireRecoveryTextBlock_terseLabel_en-US" xlink:label="lab_ecd_RestatementDoesNotRequireRecoveryTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restatement does not require Recovery</link:label>
    <link:label id="lab_ecd_RestatementDoesNotRequireRecoveryTextBlock_label_en-US" xlink:label="lab_ecd_RestatementDoesNotRequireRecoveryTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restatement Does Not Require Recovery [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_RestatementDoesNotRequireRecoveryTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_RestatementDoesNotRequireRecoveryTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_RestatementDoesNotRequireRecoveryTextBlock" xlink:to="lab_ecd_RestatementDoesNotRequireRecoveryTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_OwnershipAxis_8dc3c2ec-7410-4b94-bf76-289bc3daa014_terseLabel_en-US" xlink:label="lab_srt_OwnershipAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ownership [Axis]</link:label>
    <link:label id="lab_srt_OwnershipAxis_label_en-US" xlink:label="lab_srt_OwnershipAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ownership [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipAxis" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_OwnershipAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_OwnershipAxis" xlink:to="lab_srt_OwnershipAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RateOfInterestAndExtendedMaturityMember_d4f0488e-6aad-49fd-909d-69e0414b3e5b_terseLabel_en-US" xlink:label="lab_abr_RateOfInterestAndExtendedMaturityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rate of Interest and Extended Maturity</link:label>
    <link:label id="lab_abr_RateOfInterestAndExtendedMaturityMember_label_en-US" xlink:label="lab_abr_RateOfInterestAndExtendedMaturityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Rate of Interest and Extended Maturity [Member]</link:label>
    <link:label id="lab_abr_RateOfInterestAndExtendedMaturityMember_documentation_en-US" xlink:label="lab_abr_RateOfInterestAndExtendedMaturityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Rate of Interest and Extended Maturity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RateOfInterestAndExtendedMaturityMember" xlink:href="abr-20240930.xsd#abr_RateOfInterestAndExtendedMaturityMember"/>
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    <link:label id="lab_srt_OtherPropertyMember_7cfc19d1-d405-4892-a47a-5a64f08954e7_terseLabel_en-US" xlink:label="lab_srt_OtherPropertyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_srt_OtherPropertyMember_label_en-US" xlink:label="lab_srt_OtherPropertyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Property [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OtherPropertyMember" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_OtherPropertyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_OtherPropertyMember" xlink:to="lab_srt_OtherPropertyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_MortgageLoansOnRealEstate_87dfb0ae-5730-4407-8cc1-91e0839bc62a_terseLabel_en-US" xlink:label="lab_us-gaap_MortgageLoansOnRealEstate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Carrying value of loans</link:label>
    <link:label id="lab_us-gaap_MortgageLoansOnRealEstate_ab6ae85b-9c76-4727-b7b5-56730bd9f1c9_verboseLabel_en-US" xlink:label="lab_us-gaap_MortgageLoansOnRealEstate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Carrying amount of loans and investments before reserves related to VIEs</link:label>
    <link:label id="lab_us-gaap_MortgageLoansOnRealEstate_label_en-US" xlink:label="lab_us-gaap_MortgageLoansOnRealEstate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MortgageLoansOnRealEstate" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MortgageLoansOnRealEstate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MortgageLoansOnRealEstate" xlink:to="lab_us-gaap_MortgageLoansOnRealEstate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_61c13e99-dd74-46ed-b17a-f880dc2a55fc_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Redemption of aggregate principal amount, percentage</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Redemption Price, Percentage of Principal Amount Redeemed</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed" xlink:to="lab_us-gaap_DebtInstrumentRedemptionPricePercentageOfPrincipalAmountRedeemed" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PreferredStockSharesIssued_c3cf5801-e8fa-473a-98b1-61c3a95e01e1_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred stock, shares issued (in shares)</link:label>
    <link:label id="lab_us-gaap_PreferredStockSharesIssued_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Shares Issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesIssued" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockSharesIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockSharesIssued" xlink:to="lab_us-gaap_PreferredStockSharesIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MajorCustomersAxis_5ba73994-8413-4f0c-83ae-729c4ee13839_terseLabel_en-US" xlink:label="lab_srt_MajorCustomersAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer [Axis]</link:label>
    <link:label id="lab_srt_MajorCustomersAxis_label_en-US" xlink:label="lab_srt_MajorCustomersAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MajorCustomersAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MajorCustomersAxis" xlink:to="lab_srt_MajorCustomersAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StatementOfFinancialPositionAbstract_da64cef1-b2c5-46bc-bbde-1fde45e821fe_terseLabel_en-US" xlink:label="lab_us-gaap_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of Financial Position [Abstract]</link:label>
    <link:label id="lab_us-gaap_StatementOfFinancialPositionAbstract_label_en-US" xlink:label="lab_us-gaap_StatementOfFinancialPositionAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Financial Position [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementOfFinancialPositionAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract" xlink:to="lab_us-gaap_StatementOfFinancialPositionAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MaturesInMay2023Member_f7411431-6179-40ba-a2d9-58c976322192_terseLabel_en-US" xlink:label="lab_abr_MaturesInMay2023Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Matures in May 2023</link:label>
    <link:label id="lab_abr_MaturesInMay2023Member_label_en-US" xlink:label="lab_abr_MaturesInMay2023Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Matures in May 2023</link:label>
    <link:label id="lab_abr_MaturesInMay2023Member_documentation_en-US" xlink:label="lab_abr_MaturesInMay2023Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents loans receivable with the maturity date as May 2023.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MaturesInMay2023Member" xlink:href="abr-20240930.xsd#abr_MaturesInMay2023Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MaturesInMay2023Member" xlink:to="lab_abr_MaturesInMay2023Member" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NewlyFormedEntityMember_0c8d3a5a-6fc3-484a-aceb-2eddfd4028ff_terseLabel_en-US" xlink:label="lab_abr_NewlyFormedEntityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Newly Formed Entity</link:label>
    <link:label id="lab_abr_NewlyFormedEntityMember_label_en-US" xlink:label="lab_abr_NewlyFormedEntityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Newly Formed Entity [Member]</link:label>
    <link:label id="lab_abr_NewlyFormedEntityMember_documentation_en-US" xlink:label="lab_abr_NewlyFormedEntityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Newly Formed Entity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NewlyFormedEntityMember" xlink:href="abr-20240930.xsd#abr_NewlyFormedEntityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NewlyFormedEntityMember" xlink:to="lab_abr_NewlyFormedEntityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_WeightedAverageNumberOfDilutedSharesOutstandingOne_4bde139b-b432-418a-8ec8-6e3c8fe3aa61_terseLabel_en-US" xlink:label="lab_abr_WeightedAverageNumberOfDilutedSharesOutstandingOne" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average shares outstanding (in shares)</link:label>
    <link:label id="lab_abr_WeightedAverageNumberOfDilutedSharesOutstandingOne_label_en-US" xlink:label="lab_abr_WeightedAverageNumberOfDilutedSharesOutstandingOne" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average, Number Of Diluted, Shares Outstanding One</link:label>
    <link:label id="lab_abr_WeightedAverageNumberOfDilutedSharesOutstandingOne_documentation_en-US" xlink:label="lab_abr_WeightedAverageNumberOfDilutedSharesOutstandingOne" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Weighted Average, Number Of Diluted, Shares Outstanding One.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_WeightedAverageNumberOfDilutedSharesOutstandingOne" xlink:href="abr-20240930.xsd#abr_WeightedAverageNumberOfDilutedSharesOutstandingOne"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_WeightedAverageNumberOfDilutedSharesOutstandingOne" xlink:to="lab_abr_WeightedAverageNumberOfDilutedSharesOutstandingOne" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ConcentrationRiskThresholdPercentage_a3dc2b75-b3b7-4b95-8549-f55e16db4dd4_terseLabel_en-US" xlink:label="lab_abr_ConcentrationRiskThresholdPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Concentration risk, threshold for disclosure</link:label>
    <link:label id="lab_abr_ConcentrationRiskThresholdPercentage_label_en-US" xlink:label="lab_abr_ConcentrationRiskThresholdPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk, Threshold, Percentage</link:label>
    <link:label id="lab_abr_ConcentrationRiskThresholdPercentage_documentation_en-US" xlink:label="lab_abr_ConcentrationRiskThresholdPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Concentration Risk, Threshold, Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ConcentrationRiskThresholdPercentage" xlink:href="abr-20240930.xsd#abr_ConcentrationRiskThresholdPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ConcentrationRiskThresholdPercentage" xlink:to="lab_abr_ConcentrationRiskThresholdPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProfitLoss_74a8ea8a-4865-4c83-a844-a800401552f5_totalLabel_en-US" xlink:label="lab_us-gaap_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net income</link:label>
    <link:label id="lab_us-gaap_ProfitLoss_405d6763-5298-4373-923e-353ae1ce84dd_verboseLabel_en-US" xlink:label="lab_us-gaap_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net income</link:label>
    <link:label id="lab_us-gaap_ProfitLoss_label_en-US" xlink:label="lab_us-gaap_ProfitLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProfitLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProfitLoss" xlink:to="lab_us-gaap_ProfitLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_4d2f8439-3199-4457-9c4d-1da72d6b65af_negatedLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Benefit from (provision for) income taxes</link:label>
    <link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_d0b3e700-dc5f-474e-953a-08b5638b27e7_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for income taxes</link:label>
    <link:label id="lab_us-gaap_IncomeTaxExpenseBenefit_label_en-US" xlink:label="lab_us-gaap_IncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Expense (Benefit)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxExpenseBenefit" xlink:to="lab_us-gaap_IncomeTaxExpenseBenefit" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_ed13bf14-6c32-4226-bf42-b978a8f77cc5_verboseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Fair Value</link:label>
    <link:label id="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:to="lab_us-gaap_FairValueAssetsMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeNotionalAmount_d44d1d3a-175a-4df4-926c-8489fa412b43_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeNotionalAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Notional Value</link:label>
    <link:label id="lab_us-gaap_DerivativeNotionalAmount_bf3178ad-f50e-4c26-8d9c-e606fed80580_verboseLabel_en-US" xlink:label="lab_us-gaap_DerivativeNotionalAmount" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Notional/ Principal Amount</link:label>
    <link:label id="lab_us-gaap_DerivativeNotionalAmount_label_en-US" xlink:label="lab_us-gaap_DerivativeNotionalAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Notional Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeNotionalAmount" xlink:to="lab_us-gaap_DerivativeNotionalAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NumberOfForeclosedRealEstateProperties_e0df8697-c64b-4eee-a978-be740dbe6a33_terseLabel_en-US" xlink:label="lab_abr_NumberOfForeclosedRealEstateProperties" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of foreclosed real estate properties</link:label>
    <link:label id="lab_abr_NumberOfForeclosedRealEstateProperties_label_en-US" xlink:label="lab_abr_NumberOfForeclosedRealEstateProperties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Foreclosed Real Estate Properties</link:label>
    <link:label id="lab_abr_NumberOfForeclosedRealEstateProperties_documentation_en-US" xlink:label="lab_abr_NumberOfForeclosedRealEstateProperties" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Foreclosed Real Estate Properties</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NumberOfForeclosedRealEstateProperties" xlink:href="abr-20240930.xsd#abr_NumberOfForeclosedRealEstateProperties"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NumberOfForeclosedRealEstateProperties" xlink:to="lab_abr_NumberOfForeclosedRealEstateProperties" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RepaymentsOfSeniorDebt_26228e7e-7a8b-4028-8d95-64276a62684d_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfSeniorDebt" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payoffs and paydowns of senior unsecured notes</link:label>
    <link:label id="lab_us-gaap_RepaymentsOfSeniorDebt_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfSeniorDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Senior Debt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfSeniorDebt" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RepaymentsOfSeniorDebt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfSeniorDebt" xlink:to="lab_us-gaap_RepaymentsOfSeniorDebt" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeAssets_0fe8d061-4804-41b0-8159-926362df755d_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial instruments</link:label>
    <link:label id="lab_us-gaap_DerivativeAssets_label_en-US" xlink:label="lab_us-gaap_DerivativeAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Asset</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeAssets" xlink:to="lab_us-gaap_DerivativeAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_HeldToMaturitySecuritiesNotionalAmount_8f431440-0b5b-4147-a788-f282e562e644_terseLabel_en-US" xlink:label="lab_abr_HeldToMaturitySecuritiesNotionalAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Securities, held-to-maturity, net, Principal/Notional Amount</link:label>
    <link:label id="lab_abr_HeldToMaturitySecuritiesNotionalAmount_label_en-US" xlink:label="lab_abr_HeldToMaturitySecuritiesNotionalAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held To Maturity Securities Notional Amount</link:label>
    <link:label id="lab_abr_HeldToMaturitySecuritiesNotionalAmount_documentation_en-US" xlink:label="lab_abr_HeldToMaturitySecuritiesNotionalAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the information pertaining to held to maturities notional amount.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_HeldToMaturitySecuritiesNotionalAmount" xlink:href="abr-20240930.xsd#abr_HeldToMaturitySecuritiesNotionalAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_HeldToMaturitySecuritiesNotionalAmount" xlink:to="lab_abr_HeldToMaturitySecuritiesNotionalAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ServicingAssetAtAmortizedValueBalanceRollForward_27358a53-e6cf-454b-b58f-ca064d9857ba_terseLabel_en-US" xlink:label="lab_us-gaap_ServicingAssetAtAmortizedValueBalanceRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capitalized Mortgage Servicing Rights</link:label>
    <link:label id="lab_us-gaap_ServicingAssetAtAmortizedValueBalanceRollForward_label_en-US" xlink:label="lab_us-gaap_ServicingAssetAtAmortizedValueBalanceRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Servicing Asset at Amortized Cost, Balance [Roll Forward]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ServicingAssetAtAmortizedValueBalanceRollForward" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ServicingAssetAtAmortizedValueBalanceRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ServicingAssetAtAmortizedValueBalanceRollForward" xlink:to="lab_us-gaap_ServicingAssetAtAmortizedValueBalanceRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivablePortfolioSegmentDomain_1beeff47-340c-4589-9c88-b0f9712fd233_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivablePortfolioSegmentDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing Receivable Portfolio Segment [Domain]</link:label>
    <link:label id="lab_us-gaap_FinancingReceivablePortfolioSegmentDomain_label_en-US" xlink:label="lab_us-gaap_FinancingReceivablePortfolioSegmentDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable Portfolio Segment [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivablePortfolioSegmentDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivablePortfolioSegmentDomain" xlink:to="lab_us-gaap_FinancingReceivablePortfolioSegmentDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LossSharingObligationsAllowance_c0349c6d-7ee5-44f1-a99f-c75f498e4d32_terseLabel_en-US" xlink:label="lab_abr_LossSharingObligationsAllowance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allowance for loss sharing obligations</link:label>
    <link:label id="lab_abr_LossSharingObligationsAllowance_label_en-US" xlink:label="lab_abr_LossSharingObligationsAllowance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Sharing Obligations, Allowance</link:label>
    <link:label id="lab_abr_LossSharingObligationsAllowance_documentation_en-US" xlink:label="lab_abr_LossSharingObligationsAllowance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of allowance for loss sharing obligations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LossSharingObligationsAllowance" xlink:href="abr-20240930.xsd#abr_LossSharingObligationsAllowance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LossSharingObligationsAllowance" xlink:to="lab_abr_LossSharingObligationsAllowance" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_AwardOneMember_79bd8b1a-03db-4543-8bc3-08144cf9b35e_terseLabel_en-US" xlink:label="lab_abr_AwardOneMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Award One</link:label>
    <link:label id="lab_abr_AwardOneMember_label_en-US" xlink:label="lab_abr_AwardOneMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Award One [Member]</link:label>
    <link:label id="lab_abr_AwardOneMember_documentation_en-US" xlink:label="lab_abr_AwardOneMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Award One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_AwardOneMember" xlink:href="abr-20240930.xsd#abr_AwardOneMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_AwardOneMember" xlink:to="lab_abr_AwardOneMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff_96cba48f-d8a4-475a-9c1b-94747ba62f83_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Charge-offs, Year Two</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year, Writeoff</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff" xlink:to="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesTextBlock_55072ce0-32b1-4d07-93df-06248981a5b2_terseLabel_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Securities Held-To-Maturity</link:label>
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesTextBlock_label_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Securities, Held-to-Maturity [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesTextBlock" xlink:to="lab_us-gaap_HeldToMaturitySecuritiesTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MaturityDateMay2027Member_afb87c02-7535-4300-99fa-d8e5a4c9dd25_terseLabel_en-US" xlink:label="lab_abr_MaturityDateMay2027Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity Date May 2027</link:label>
    <link:label id="lab_abr_MaturityDateMay2027Member_label_en-US" xlink:label="lab_abr_MaturityDateMay2027Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity Date May 2027 [Member]</link:label>
    <link:label id="lab_abr_MaturityDateMay2027Member_documentation_en-US" xlink:label="lab_abr_MaturityDateMay2027Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maturity Date May 2027</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MaturityDateMay2027Member" xlink:href="abr-20240930.xsd#abr_MaturityDateMay2027Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MaturityDateMay2027Member" xlink:to="lab_abr_MaturityDateMay2027Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_f003242e-45f7-4343-9679-d0bb60a4788c_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash provided by investing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Investing Activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:to="lab_us-gaap_NetCashProvidedByUsedInInvestingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AllAdjToCompMember_terseLabel_en-US" xlink:label="lab_ecd_AllAdjToCompMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">All Adjustments to Compensation</link:label>
    <link:label id="lab_ecd_AllAdjToCompMember_label_en-US" xlink:label="lab_ecd_AllAdjToCompMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">All Adjustments to Compensation [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AllAdjToCompMember" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AllAdjToCompMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_AllAdjToCompMember" xlink:to="lab_ecd_AllAdjToCompMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LastDollarLTVRatio_1c00c88e-75b7-4889-a915-cb6e34859873_terseLabel_en-US" xlink:label="lab_abr_LastDollarLTVRatio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Wtd. Avg. Last Dollar LTV Ratio (as percent)</link:label>
    <link:label id="lab_abr_LastDollarLTVRatio_label_en-US" xlink:label="lab_abr_LastDollarLTVRatio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Last Dollar LTV Ratio</link:label>
    <link:label id="lab_abr_LastDollarLTVRatio_documentation_en-US" xlink:label="lab_abr_LastDollarLTVRatio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the weighted average loan to value ratio that is calculated by comparing the total of the carrying value of the company's loan and all senior lien positions within the capital stack to the fair value of the underlying collateral to determine the point at which the company will initially absorb a loss.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LastDollarLTVRatio" xlink:href="abr-20240930.xsd#abr_LastDollarLTVRatio"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LastDollarLTVRatio" xlink:to="lab_abr_LastDollarLTVRatio" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShortTermDebtTypeDomain_634a097f-25e8-4a3d-ba92-a8de6f8445ca_terseLabel_en-US" xlink:label="lab_us-gaap_ShortTermDebtTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-Term Debt, Type [Domain]</link:label>
    <link:label id="lab_us-gaap_ShortTermDebtTypeDomain_label_en-US" xlink:label="lab_us-gaap_ShortTermDebtTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-Term Debt, Type [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShortTermDebtTypeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShortTermDebtTypeDomain" xlink:to="lab_us-gaap_ShortTermDebtTypeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_GuaranteeObligationsMaximumExposure_fb0a2070-c410-4ceb-b765-08dfd5c6f021_terseLabel_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsMaximumExposure" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum exposure under guaranty</link:label>
    <link:label id="lab_us-gaap_GuaranteeObligationsMaximumExposure_label_en-US" xlink:label="lab_us-gaap_GuaranteeObligationsMaximumExposure" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantor Obligations, Maximum Exposure, Undiscounted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsMaximumExposure" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GuaranteeObligationsMaximumExposure"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GuaranteeObligationsMaximumExposure" xlink:to="lab_us-gaap_GuaranteeObligationsMaximumExposure" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableModifiedPercentageOfInterestDeferred_8550e352-8e4b-4f78-bb4d-be5149a86440_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableModifiedPercentageOfInterestDeferred" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of interest foregone</link:label>
    <link:label id="lab_abr_FinancingReceivableModifiedPercentageOfInterestDeferred_label_en-US" xlink:label="lab_abr_FinancingReceivableModifiedPercentageOfInterestDeferred" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Modified, Percentage Of Interest Deferred</link:label>
    <link:label id="lab_abr_FinancingReceivableModifiedPercentageOfInterestDeferred_documentation_en-US" xlink:label="lab_abr_FinancingReceivableModifiedPercentageOfInterestDeferred" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of interest foregone.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableModifiedPercentageOfInterestDeferred" xlink:href="abr-20240930.xsd#abr_FinancingReceivableModifiedPercentageOfInterestDeferred"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableModifiedPercentageOfInterestDeferred" xlink:to="lab_abr_FinancingReceivableModifiedPercentageOfInterestDeferred" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_9cb9cd06-a1de-492e-b8a0-00e8b98f939b_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies Disclosure [Abstract]</link:label>
    <link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies Disclosure [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:to="lab_us-gaap_CommitmentsAndContingenciesDisclosureAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MortgageLoansOnRealEstateFixedInterestRate_3f60b690-0e29-4114-a733-3ac3da5bb483_terseLabel_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstateFixedInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fixed rate of interest</link:label>
    <link:label id="lab_abr_MortgageLoansOnRealEstateFixedInterestRate_label_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstateFixedInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Loans on Real Estate Fixed Interest Rate</link:label>
    <link:label id="lab_abr_MortgageLoansOnRealEstateFixedInterestRate_documentation_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstateFixedInterestRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the fixed interest rate on the mortgage loan receivable or the weighted average interest rate on a group of loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MortgageLoansOnRealEstateFixedInterestRate" xlink:href="abr-20240930.xsd#abr_MortgageLoansOnRealEstateFixedInterestRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MortgageLoansOnRealEstateFixedInterestRate" xlink:to="lab_abr_MortgageLoansOnRealEstateFixedInterestRate" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_LegalEntityAxis_bb2af4bb-ad62-4aa2-af17-a1e5770fdcfb_terseLabel_en-US" xlink:label="lab_dei_LegalEntityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Legal Entity [Axis]</link:label>
    <link:label id="lab_dei_LegalEntityAxis_label_en-US" xlink:label="lab_dei_LegalEntityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Legal Entity [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LegalEntityAxis" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LegalEntityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LegalEntityAxis" xlink:to="lab_dei_LegalEntityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_OtherRelatedPartyTransactionsMember_d9c24c1c-382f-409c-a7bf-36751765f90d_terseLabel_en-US" xlink:label="lab_abr_OtherRelatedPartyTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Related Party Transactions</link:label>
    <link:label id="lab_abr_OtherRelatedPartyTransactionsMember_label_en-US" xlink:label="lab_abr_OtherRelatedPartyTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Related Party Transactions [Member]</link:label>
    <link:label id="lab_abr_OtherRelatedPartyTransactionsMember_documentation_en-US" xlink:label="lab_abr_OtherRelatedPartyTransactionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Other Related Party Transactions</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_OtherRelatedPartyTransactionsMember" xlink:href="abr-20240930.xsd#abr_OtherRelatedPartyTransactionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_OtherRelatedPartyTransactionsMember" xlink:to="lab_abr_OtherRelatedPartyTransactionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ProceedsFromSaleOfLoansHeldForSaleExcludingAcquisition_2c4f0057-5327-47ae-be9f-549097d6b5fa_terseLabel_en-US" xlink:label="lab_abr_ProceedsFromSaleOfLoansHeldForSaleExcludingAcquisition" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sale of loans held-for-sale excluding acquired loans</link:label>
    <link:label id="lab_abr_ProceedsFromSaleOfLoansHeldForSaleExcludingAcquisition_label_en-US" xlink:label="lab_abr_ProceedsFromSaleOfLoansHeldForSaleExcludingAcquisition" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale of Loans Held-for-sale, Excluding Acquisition</link:label>
    <link:label id="lab_abr_ProceedsFromSaleOfLoansHeldForSaleExcludingAcquisition_documentation_en-US" xlink:label="lab_abr_ProceedsFromSaleOfLoansHeldForSaleExcludingAcquisition" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The cash inflow resulting from the sale of loans excluding loans acquired which are classified as held-for-sale, including proceeds from loans sold through mortgage securitization.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ProceedsFromSaleOfLoansHeldForSaleExcludingAcquisition" xlink:href="abr-20240930.xsd#abr_ProceedsFromSaleOfLoansHeldForSaleExcludingAcquisition"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ProceedsFromSaleOfLoansHeldForSaleExcludingAcquisition" xlink:to="lab_abr_ProceedsFromSaleOfLoansHeldForSaleExcludingAcquisition" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OperatingLeaseLeaseIncome_4e2870df-a0f1-4eba-b745-0b676425a8e2_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseLeaseIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property operating income</link:label>
    <link:label id="lab_us-gaap_OperatingLeaseLeaseIncome_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseLeaseIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Lease Income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLeaseIncome" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseLeaseIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseLeaseIncome" xlink:to="lab_us-gaap_OperatingLeaseLeaseIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SeniorUnsecuredNotesOne5.00Member_6731a15a-485a-42a0-9f95-a6e25c07f833_verboseLabel_en-US" xlink:label="lab_abr_SeniorUnsecuredNotesOne5.00Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">5.00% Notes</link:label>
    <link:label id="lab_abr_SeniorUnsecuredNotesOne5.00Member_label_en-US" xlink:label="lab_abr_SeniorUnsecuredNotesOne5.00Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Unsecured Notes One 5.00 [Member]</link:label>
    <link:label id="lab_abr_SeniorUnsecuredNotesOne5.00Member_documentation_en-US" xlink:label="lab_abr_SeniorUnsecuredNotesOne5.00Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for senior unsecured notes due in 2028.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SeniorUnsecuredNotesOne5.00Member" xlink:href="abr-20240930.xsd#abr_SeniorUnsecuredNotesOne5.00Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SeniorUnsecuredNotesOne5.00Member" xlink:to="lab_abr_SeniorUnsecuredNotesOne5.00Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RelatedPartyTransactionAxis_8ed9c70c-f996-453b-82b6-c15b6305eab3_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party Transaction [Axis]</link:label>
    <link:label id="lab_us-gaap_RelatedPartyTransactionAxis_label_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transaction [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionAxis" xlink:to="lab_us-gaap_RelatedPartyTransactionAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_5cbdacdc-42e0-4abb-b13c-d578fb5018e6_terseLabel_en-US" xlink:label="lab_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Name of Property [Domain]</link:label>
    <link:label id="lab_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain_label_en-US" xlink:label="lab_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Name of Property [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:to="lab_srt_RealEstateAndAccumulatedDepreciationNameOfPropertyDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EarningsPerShareDilutedLineItems_53f2bc7e-648d-4938-be49-b26c4bce48ec_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareDilutedLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareDilutedLineItems_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareDilutedLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDilutedLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareDilutedLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareDilutedLineItems" xlink:to="lab_us-gaap_EarningsPerShareDilutedLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SeniorUnsecuredNotes4.75PercentMember_80fe4d40-b8b5-4d3d-a545-19c0e072868e_terseLabel_en-US" xlink:label="lab_abr_SeniorUnsecuredNotes4.75PercentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">4.75% Notes</link:label>
    <link:label id="lab_abr_SeniorUnsecuredNotes4.75PercentMember_label_en-US" xlink:label="lab_abr_SeniorUnsecuredNotes4.75PercentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Unsecured Notes 4.75 Percent [Member]</link:label>
    <link:label id="lab_abr_SeniorUnsecuredNotes4.75PercentMember_documentation_en-US" xlink:label="lab_abr_SeniorUnsecuredNotes4.75PercentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for senior unsecured notes percentage.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SeniorUnsecuredNotes4.75PercentMember" xlink:href="abr-20240930.xsd#abr_SeniorUnsecuredNotes4.75PercentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SeniorUnsecuredNotes4.75PercentMember" xlink:to="lab_abr_SeniorUnsecuredNotes4.75PercentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LongtermDebtTypeDomain_d3acdc99-883c-49bd-9d94-3a3f92dc0359_terseLabel_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Long-Term Debt, Type [Domain]</link:label>
    <link:label id="lab_us-gaap_LongtermDebtTypeDomain_label_en-US" xlink:label="lab_us-gaap_LongtermDebtTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-Term Debt, Type [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongtermDebtTypeDomain" xlink:to="lab_us-gaap_LongtermDebtTypeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressStateOrProvince_5ce56c54-e11c-4313-87bd-6329157e9c91_terseLabel_en-US" xlink:label="lab_dei_EntityAddressStateOrProvince" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address, State or Province</link:label>
    <link:label id="lab_dei_EntityAddressStateOrProvince_label_en-US" xlink:label="lab_dei_EntityAddressStateOrProvince" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Address, State or Province</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressStateOrProvince"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressStateOrProvince" xlink:to="lab_dei_EntityAddressStateOrProvince" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_97b7b0c9-1adc-4b98-8987-0427e2b934aa_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Instruments and Hedging Activities Disclosure [Abstract]</link:label>
    <link:label id="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Instruments and Hedging Activities Disclosure [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:to="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear_d391df45-fdf4-44ad-a001-b259db0969ca_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Origination Year Four</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear" xlink:to="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_ErrCompAnalysisTextBlock_terseLabel_en-US" xlink:label="lab_ecd_ErrCompAnalysisTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Erroneous Compensation Analysis</link:label>
    <link:label id="lab_ecd_ErrCompAnalysisTextBlock_label_en-US" xlink:label="lab_ecd_ErrCompAnalysisTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Erroneous Compensation Analysis [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_ErrCompAnalysisTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_ErrCompAnalysisTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_ErrCompAnalysisTextBlock" xlink:to="lab_ecd_ErrCompAnalysisTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_UnrealizedImpairmentLossOnImpairedLoansHeldForSale_2307b194-916c-4636-9be9-9bd241ae0bca_terseLabel_en-US" xlink:label="lab_abr_UnrealizedImpairmentLossOnImpairedLoansHeldForSale" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized impairment losses on held-for-sale</link:label>
    <link:label id="lab_abr_UnrealizedImpairmentLossOnImpairedLoansHeldForSale_label_en-US" xlink:label="lab_abr_UnrealizedImpairmentLossOnImpairedLoansHeldForSale" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrealized Impairment Loss On Impaired Loans Held For Sale</link:label>
    <link:label id="lab_abr_UnrealizedImpairmentLossOnImpairedLoansHeldForSale_documentation_en-US" xlink:label="lab_abr_UnrealizedImpairmentLossOnImpairedLoansHeldForSale" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of unrealized impairment loss on impaired loans held-for-sale carrying value.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_UnrealizedImpairmentLossOnImpairedLoansHeldForSale" xlink:href="abr-20240930.xsd#abr_UnrealizedImpairmentLossOnImpairedLoansHeldForSale"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_UnrealizedImpairmentLossOnImpairedLoansHeldForSale" xlink:to="lab_abr_UnrealizedImpairmentLossOnImpairedLoansHeldForSale" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ServicingContractsAcquiredMember_01012e7c-7d94-4c48-9a9c-9e02b8a0358d_terseLabel_en-US" xlink:label="lab_abr_ServicingContractsAcquiredMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquired</link:label>
    <link:label id="lab_abr_ServicingContractsAcquiredMember_label_en-US" xlink:label="lab_abr_ServicingContractsAcquiredMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Acquired</link:label>
    <link:label id="lab_abr_ServicingContractsAcquiredMember_documentation_en-US" xlink:label="lab_abr_ServicingContractsAcquiredMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to contracts to service financial assets acquired.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ServicingContractsAcquiredMember" xlink:href="abr-20240930.xsd#abr_ServicingContractsAcquiredMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ServicingContractsAcquiredMember" xlink:to="lab_abr_ServicingContractsAcquiredMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ContractuallySpecifiedServicingFeesAmountNet_c82b339a-a673-4d33-ad78-a5db8729863b_terseLabel_en-US" xlink:label="lab_abr_ContractuallySpecifiedServicingFeesAmountNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Servicing revenue, net</link:label>
    <link:label id="lab_abr_ContractuallySpecifiedServicingFeesAmountNet_fc77e659-f5a6-4eea-919f-5d15d63dd371_totalLabel_en-US" xlink:label="lab_abr_ContractuallySpecifiedServicingFeesAmountNet" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Servicing revenue, net</link:label>
    <link:label id="lab_abr_ContractuallySpecifiedServicingFeesAmountNet_label_en-US" xlink:label="lab_abr_ContractuallySpecifiedServicingFeesAmountNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractually Specified Servicing Fees, Amount, Net</link:label>
    <link:label id="lab_abr_ContractuallySpecifiedServicingFeesAmountNet_documentation_en-US" xlink:label="lab_abr_ContractuallySpecifiedServicingFeesAmountNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">All amounts that, per contract, are due to the servicer in exchange for servicing the financial asset and would no longer be received by a servicer if the beneficial owners of the serviced assets (or their trustees or agents) were to exercise their actual or potential authority under the contract to shift the servicing to another servicer, net of amortization of mortgage servicing rights (MSRs).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ContractuallySpecifiedServicingFeesAmountNet" xlink:href="abr-20240930.xsd#abr_ContractuallySpecifiedServicingFeesAmountNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ContractuallySpecifiedServicingFeesAmountNet" xlink:to="lab_abr_ContractuallySpecifiedServicingFeesAmountNet" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_765d1f69-4b35-4952-a167-3600136a8288_terseLabel_en-US" xlink:label="lab_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Instruments [Domain]</link:label>
    <link:label id="lab_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_label_en-US" xlink:label="lab_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Instruments [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:to="lab_us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems_5b0a0014-facf-4009-8ced-d9615db1d23a_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans Held-for-Sale, Net</link:label>
    <link:label id="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems_label_en-US" xlink:label="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts, Notes, Loans and Financing Receivable [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:to="lab_us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_VestingDomain_1f415de3-5348-4270-a25f-cfeb5e971665_terseLabel_en-US" xlink:label="lab_us-gaap_VestingDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vesting [Domain]</link:label>
    <link:label id="lab_us-gaap_VestingDomain_label_en-US" xlink:label="lab_us-gaap_VestingDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vesting [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VestingDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VestingDomain" xlink:to="lab_us-gaap_VestingDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_0576d1f1-cf6d-4e80-bbc7-e55256830e9d_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities and Equity:</link:label>
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities and Equity [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_UnrealizedImpairmentLossesBeforeCarryingValue_261f1889-8ecc-4749-9749-e50ea948da6e_terseLabel_en-US" xlink:label="lab_abr_UnrealizedImpairmentLossesBeforeCarryingValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized impairment losses</link:label>
    <link:label id="lab_abr_UnrealizedImpairmentLossesBeforeCarryingValue_label_en-US" xlink:label="lab_abr_UnrealizedImpairmentLossesBeforeCarryingValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrealized Impairment Losses Before Carrying Value</link:label>
    <link:label id="lab_abr_UnrealizedImpairmentLossesBeforeCarryingValue_documentation_en-US" xlink:label="lab_abr_UnrealizedImpairmentLossesBeforeCarryingValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of unrealized impairment losses before carrying value.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_UnrealizedImpairmentLossesBeforeCarryingValue" xlink:href="abr-20240930.xsd#abr_UnrealizedImpairmentLossesBeforeCarryingValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_UnrealizedImpairmentLossesBeforeCarryingValue" xlink:to="lab_abr_UnrealizedImpairmentLossesBeforeCarryingValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff_2b0d09c1-ace7-4307-a5d4-169f37fffbec_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Charge-offs, prior years</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Excluding Accrued Interest, Originated, More than Five Years before Current Fiscal Year, Writeoff</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff" xlink:to="lab_us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SeriesEPreferredStockMember_4d878ae1-2fcb-431d-9ed6-05c77549f94d_verboseLabel_en-US" xlink:label="lab_us-gaap_SeriesEPreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Preferred Stock, 6.25% Series E Cumulative Redeemable, par value $0.01 per share</link:label>
    <link:label id="lab_us-gaap_SeriesEPreferredStockMember_label_en-US" xlink:label="lab_us-gaap_SeriesEPreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series E Preferred Stock [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesEPreferredStockMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SeriesEPreferredStockMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SeriesEPreferredStockMember" xlink:to="lab_us-gaap_SeriesEPreferredStockMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LoansReceivableHeldForSaleAmount_79df1f0e-5f65-4bd0-b683-cc1ad758a307_terseLabel_en-US" xlink:label="lab_us-gaap_LoansReceivableHeldForSaleAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans held-for-sale, net</link:label>
    <link:label id="lab_us-gaap_LoansReceivableHeldForSaleAmount_8ed50c98-f25e-4cfb-9eee-67731ec1139c_totalLabel_en-US" xlink:label="lab_us-gaap_LoansReceivableHeldForSaleAmount" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Loans held-for-sale, net</link:label>
    <link:label id="lab_us-gaap_LoansReceivableHeldForSaleAmount_label_en-US" xlink:label="lab_us-gaap_LoansReceivableHeldForSaleAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Held-for-Sale</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoansReceivableHeldForSaleAmount" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LoansReceivableHeldForSaleAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansReceivableHeldForSaleAmount" xlink:to="lab_us-gaap_LoansReceivableHeldForSaleAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ConcentrationRiskNumberOfStatesOver4PercentRevenues_ff3c93ed-1194-4bac-b07d-79e08b6ab7a6_terseLabel_en-US" xlink:label="lab_abr_ConcentrationRiskNumberOfStatesOver4PercentRevenues" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of states</link:label>
    <link:label id="lab_abr_ConcentrationRiskNumberOfStatesOver4PercentRevenues_label_en-US" xlink:label="lab_abr_ConcentrationRiskNumberOfStatesOver4PercentRevenues" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk Number of States Over 4 Percent Revenues</link:label>
    <link:label id="lab_abr_ConcentrationRiskNumberOfStatesOver4PercentRevenues_documentation_en-US" xlink:label="lab_abr_ConcentrationRiskNumberOfStatesOver4PercentRevenues" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of states accounted for more than 4% of unpaid principal balance and related servicing revenues.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ConcentrationRiskNumberOfStatesOver4PercentRevenues" xlink:href="abr-20240930.xsd#abr_ConcentrationRiskNumberOfStatesOver4PercentRevenues"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ConcentrationRiskNumberOfStatesOver4PercentRevenues" xlink:to="lab_abr_ConcentrationRiskNumberOfStatesOver4PercentRevenues" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CommercialMortgageBackedSecurityMember_40a73b87-d452-4ab1-9b83-edf6b1026f52_terseLabel_en-US" xlink:label="lab_abr_CommercialMortgageBackedSecurityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commercial Mortgage Backed Security</link:label>
    <link:label id="lab_abr_CommercialMortgageBackedSecurityMember_label_en-US" xlink:label="lab_abr_CommercialMortgageBackedSecurityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial Mortgage Backed Security [Member]</link:label>
    <link:label id="lab_abr_CommercialMortgageBackedSecurityMember_documentation_en-US" xlink:label="lab_abr_CommercialMortgageBackedSecurityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to CMBS loan (Commercial Mortgage Backed Security), also known as a conduit loan. It is a type of commercial mortgage that is packaged into a pool with other similar type commercial loans and securitized and sold in the secondary market to institutional investors.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CommercialMortgageBackedSecurityMember" xlink:href="abr-20240930.xsd#abr_CommercialMortgageBackedSecurityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CommercialMortgageBackedSecurityMember" xlink:to="lab_abr_CommercialMortgageBackedSecurityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_AmortizationAndAccretionOfInterestFeesAndIntangibleAssets_1418e499-43e6-4c45-be15-58f5923ea713_terseLabel_en-US" xlink:label="lab_abr_AmortizationAndAccretionOfInterestFeesAndIntangibleAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization and accretion of interest and fees, net</link:label>
    <link:label id="lab_abr_AmortizationAndAccretionOfInterestFeesAndIntangibleAssets_label_en-US" xlink:label="lab_abr_AmortizationAndAccretionOfInterestFeesAndIntangibleAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization and Accretion of Interest, Fees, and Intangible Assets</link:label>
    <link:label id="lab_abr_AmortizationAndAccretionOfInterestFeesAndIntangibleAssets_documentation_en-US" xlink:label="lab_abr_AmortizationAndAccretionOfInterestFeesAndIntangibleAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The aggregate net amount of amortization and accretion of interest, fees, and intangible assets.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_AmortizationAndAccretionOfInterestFeesAndIntangibleAssets" xlink:href="abr-20240930.xsd#abr_AmortizationAndAccretionOfInterestFeesAndIntangibleAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_AmortizationAndAccretionOfInterestFeesAndIntangibleAssets" xlink:to="lab_abr_AmortizationAndAccretionOfInterestFeesAndIntangibleAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_RestatementDeterminationDate_terseLabel_en-US" xlink:label="lab_ecd_RestatementDeterminationDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restatement Determination Date</link:label>
    <link:label id="lab_ecd_RestatementDeterminationDate_label_en-US" xlink:label="lab_ecd_RestatementDeterminationDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restatement Determination Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_RestatementDeterminationDate" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_RestatementDeterminationDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_RestatementDeterminationDate" xlink:to="lab_ecd_RestatementDeterminationDate" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ServicingContractsHeldForSaleMember_e425e7cd-8d49-4935-81b4-74ced31c583f_terseLabel_en-US" xlink:label="lab_abr_ServicingContractsHeldForSaleMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans held-for-sale, net</link:label>
    <link:label id="lab_abr_ServicingContractsHeldForSaleMember_label_en-US" xlink:label="lab_abr_ServicingContractsHeldForSaleMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans held-for-sale, net</link:label>
    <link:label id="lab_abr_ServicingContractsHeldForSaleMember_documentation_en-US" xlink:label="lab_abr_ServicingContractsHeldForSaleMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to servicing contracts held-for-sale.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ServicingContractsHeldForSaleMember" xlink:href="abr-20240930.xsd#abr_ServicingContractsHeldForSaleMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ServicingContractsHeldForSaleMember" xlink:to="lab_abr_ServicingContractsHeldForSaleMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EstimateOfFairValueFairValueDisclosureMember_a60bcba2-7958-4759-b7b0-3ab229cc765c_verboseLabel_en-US" xlink:label="lab_us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Estimated Fair Value</link:label>
    <link:label id="lab_us-gaap_EstimateOfFairValueFairValueDisclosureMember_208ff45d-801d-416f-9874-608fffde4188_terseLabel_en-US" xlink:label="lab_us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value</link:label>
    <link:label id="lab_us-gaap_EstimateOfFairValueFairValueDisclosureMember_label_en-US" xlink:label="lab_us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Estimate of Fair Value Measurement [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:to="lab_us-gaap_EstimateOfFairValueFairValueDisclosureMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MultifamilyMember_25dae800-4acb-4885-9a06-b8b27131e4d0_verboseLabel_en-US" xlink:label="lab_srt_MultifamilyMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Multifamily</link:label>
    <link:label id="lab_srt_MultifamilyMember_97deef4a-116f-4610-bbb9-640a7c925dc0_terseLabel_en-US" xlink:label="lab_srt_MultifamilyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Multifamily</link:label>
    <link:label id="lab_srt_MultifamilyMember_label_en-US" xlink:label="lab_srt_MultifamilyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Multifamily [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MultifamilyMember" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MultifamilyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MultifamilyMember" xlink:to="lab_srt_MultifamilyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SFRPermanentLoansMember_2e69da16-5eca-4801-b658-378889f25302_terseLabel_en-US" xlink:label="lab_abr_SFRPermanentLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SFR permanent loans</link:label>
    <link:label id="lab_abr_SFRPermanentLoansMember_label_en-US" xlink:label="lab_abr_SFRPermanentLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SFR Permanent Loans [Member]</link:label>
    <link:label id="lab_abr_SFRPermanentLoansMember_documentation_en-US" xlink:label="lab_abr_SFRPermanentLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">SFR Permanent Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SFRPermanentLoansMember" xlink:href="abr-20240930.xsd#abr_SFRPermanentLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SFRPermanentLoansMember" xlink:to="lab_abr_SFRPermanentLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_PvpTable_terseLabel_en-US" xlink:label="lab_ecd_PvpTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pay vs Performance Disclosure</link:label>
    <link:label id="lab_ecd_PvpTable_label_en-US" xlink:label="lab_ecd_PvpTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pay vs Performance Disclosure [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_PvpTable" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_PvpTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_PvpTable" xlink:to="lab_ecd_PvpTable" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MortgageLoansOnRealEstateWeightedAveragePayRate_d9fb2528-7b0e-4b66-bd50-bca8fa0d67ee_terseLabel_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstateWeightedAveragePayRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average pay rate</link:label>
    <link:label id="lab_abr_MortgageLoansOnRealEstateWeightedAveragePayRate_label_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstateWeightedAveragePayRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Loans On Real Estate, Weighted Average Pay Rate</link:label>
    <link:label id="lab_abr_MortgageLoansOnRealEstateWeightedAveragePayRate_documentation_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstateWeightedAveragePayRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage Loans On Real Estate, Weighted Average Pay Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MortgageLoansOnRealEstateWeightedAveragePayRate" xlink:href="abr-20240930.xsd#abr_MortgageLoansOnRealEstateWeightedAveragePayRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MortgageLoansOnRealEstateWeightedAveragePayRate" xlink:to="lab_abr_MortgageLoansOnRealEstateWeightedAveragePayRate" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CreditFacility40MillionMember_76336003-4556-417f-803f-ae59df090778_terseLabel_en-US" xlink:label="lab_abr_CreditFacility40MillionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$40M credit facility</link:label>
    <link:label id="lab_abr_CreditFacility40MillionMember_label_en-US" xlink:label="lab_abr_CreditFacility40MillionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility 40 Million [Member]</link:label>
    <link:label id="lab_abr_CreditFacility40MillionMember_documentation_en-US" xlink:label="lab_abr_CreditFacility40MillionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit Facility 40 Million</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CreditFacility40MillionMember" xlink:href="abr-20240930.xsd#abr_CreditFacility40MillionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CreditFacility40MillionMember" xlink:to="lab_abr_CreditFacility40MillionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LoansInsuredOrGuaranteedByGovernmentAuthoritiesDomain_ebdbadaf-c39b-4595-aa2b-45b557d831e9_terseLabel_en-US" xlink:label="lab_us-gaap_LoansInsuredOrGuaranteedByGovernmentAuthoritiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans Insured or Guaranteed by Government Authorities [Domain]</link:label>
    <link:label id="lab_us-gaap_LoansInsuredOrGuaranteedByGovernmentAuthoritiesDomain_label_en-US" xlink:label="lab_us-gaap_LoansInsuredOrGuaranteedByGovernmentAuthoritiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Insured or Guaranteed by Government Authorities [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoansInsuredOrGuaranteedByGovernmentAuthoritiesDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LoansInsuredOrGuaranteedByGovernmentAuthoritiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansInsuredOrGuaranteedByGovernmentAuthoritiesDomain" xlink:to="lab_us-gaap_LoansInsuredOrGuaranteedByGovernmentAuthoritiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_ErrCompRecoveryTable_terseLabel_en-US" xlink:label="lab_ecd_ErrCompRecoveryTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Erroneously Awarded Compensation Recovery</link:label>
    <link:label id="lab_ecd_ErrCompRecoveryTable_label_en-US" xlink:label="lab_ecd_ErrCompRecoveryTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Erroneously Awarded Compensation Recovery [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_ErrCompRecoveryTable" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_ErrCompRecoveryTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_ErrCompRecoveryTable" xlink:to="lab_ecd_ErrCompRecoveryTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShortTermDebtTypeAxis_c1c1483e-4ae6-471c-9a41-1d5a2debf5db_terseLabel_en-US" xlink:label="lab_us-gaap_ShortTermDebtTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-Term Debt, Type [Axis]</link:label>
    <link:label id="lab_us-gaap_ShortTermDebtTypeAxis_label_en-US" xlink:label="lab_us-gaap_ShortTermDebtTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-Term Debt, Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtTypeAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShortTermDebtTypeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShortTermDebtTypeAxis" xlink:to="lab_us-gaap_ShortTermDebtTypeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PaymentsToAcquireEquityMethodInvestments_d3b39a4f-6d60-4888-a425-a7252afd98a8_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Noncontrolling interest</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireEquityMethodInvestments_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Equity Method Investments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireEquityMethodInvestments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:to="lab_us-gaap_PaymentsToAcquireEquityMethodInvestments" xlink:type="arc" order="1"/>
    <link:label id="lab_stpr_CA_aea8ec56-1a3f-4951-acb8-c80826d20898_terseLabel_en-US" xlink:label="lab_stpr_CA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">California</link:label>
    <link:label id="lab_stpr_CA_label_en-US" xlink:label="lab_stpr_CA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CALIFORNIA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_stpr_CA" xlink:href="https://xbrl.sec.gov/stpr/2024/stpr-2024.xsd#stpr_CA"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_stpr_CA" xlink:to="lab_stpr_CA" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_TreasuryFuturesMember_f1bb6efd-2272-4643-8967-898c552d489c_terseLabel_en-US" xlink:label="lab_abr_TreasuryFuturesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Treasury futures</link:label>
    <link:label id="lab_abr_TreasuryFuturesMember_label_en-US" xlink:label="lab_abr_TreasuryFuturesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Treasury Futures [Member]</link:label>
    <link:label id="lab_abr_TreasuryFuturesMember_documentation_en-US" xlink:label="lab_abr_TreasuryFuturesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Treasury Futures</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_TreasuryFuturesMember" xlink:href="abr-20240930.xsd#abr_TreasuryFuturesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_TreasuryFuturesMember" xlink:to="lab_abr_TreasuryFuturesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_WriteDownsAndPayoffsMortgageServicingRights_43c88e8b-ea2c-41a0-9dd7-9e46563a7df9_terseLabel_en-US" xlink:label="lab_abr_WriteDownsAndPayoffsMortgageServicingRights" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Write-downs and payoffs of MSRs</link:label>
    <link:label id="lab_abr_WriteDownsAndPayoffsMortgageServicingRights_label_en-US" xlink:label="lab_abr_WriteDownsAndPayoffsMortgageServicingRights" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Write-Downs and Payoffs Mortgage Servicing Rights</link:label>
    <link:label id="lab_abr_WriteDownsAndPayoffsMortgageServicingRights_documentation_en-US" xlink:label="lab_abr_WriteDownsAndPayoffsMortgageServicingRights" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of write-offs mortgage servicing rights.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_WriteDownsAndPayoffsMortgageServicingRights" xlink:href="abr-20240930.xsd#abr_WriteDownsAndPayoffsMortgageServicingRights"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_WriteDownsAndPayoffsMortgageServicingRights" xlink:to="lab_abr_WriteDownsAndPayoffsMortgageServicingRights" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SubsequentEventMember_6170f50a-0789-41e0-92c4-cc44fe986f66_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsequent event</link:label>
    <link:label id="lab_us-gaap_SubsequentEventMember_label_en-US" xlink:label="lab_us-gaap_SubsequentEventMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Event [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventMember" xlink:to="lab_us-gaap_SubsequentEventMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableModifiedInPeriodAmountNotPursuantToContract_22f43555-f775-4b20-b42d-1f548bc171c1_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableModifiedInPeriodAmountNotPursuantToContract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans modified, not pursuant to contract, amount</link:label>
    <link:label id="lab_abr_FinancingReceivableModifiedInPeriodAmountNotPursuantToContract_label_en-US" xlink:label="lab_abr_FinancingReceivableModifiedInPeriodAmountNotPursuantToContract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Modified in Period, Amount, Not Pursuant To Contract</link:label>
    <link:label id="lab_abr_FinancingReceivableModifiedInPeriodAmountNotPursuantToContract_documentation_en-US" xlink:label="lab_abr_FinancingReceivableModifiedInPeriodAmountNotPursuantToContract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Modified in Period, Amount, Not Pursuant To Contract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableModifiedInPeriodAmountNotPursuantToContract" xlink:href="abr-20240930.xsd#abr_FinancingReceivableModifiedInPeriodAmountNotPursuantToContract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableModifiedInPeriodAmountNotPursuantToContract" xlink:to="lab_abr_FinancingReceivableModifiedInPeriodAmountNotPursuantToContract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DividendsPreferredStock_c7f48ab3-70a8-420e-84e2-dbb5e7bfdf6a_negatedLabel_en-US" xlink:label="lab_us-gaap_DividendsPreferredStock" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Distributions - preferred stock</link:label>
    <link:label id="lab_us-gaap_DividendsPreferredStock_label_en-US" xlink:label="lab_us-gaap_DividendsPreferredStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends, Preferred Stock</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsPreferredStock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DividendsPreferredStock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsPreferredStock" xlink:to="lab_us-gaap_DividendsPreferredStock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_GainLossOnInvestments_ef13661a-bc42-4631-98ee-1f2e60ab1671_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnInvestments" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Loss on investment</link:label>
    <link:label id="lab_us-gaap_GainLossOnInvestments_169d7a5a-750d-43c4-8b12-5e7fe05aae8d_terseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnInvestments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gain (loss) on investment</link:label>
    <link:label id="lab_us-gaap_GainLossOnInvestments_label_en-US" xlink:label="lab_us-gaap_GainLossOnInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) on Investments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnInvestments" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnInvestments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnInvestments" xlink:to="lab_us-gaap_GainLossOnInvestments" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_GainLossOnSaleOfMortgageLoans_24bb8a89-27d5-4535-a9c4-0f4a8376e458_terseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfMortgageLoans" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gain on sale of loans</link:label>
    <link:label id="lab_us-gaap_GainLossOnSaleOfMortgageLoans_label_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfMortgageLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) on Sale of Mortgage Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfMortgageLoans" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnSaleOfMortgageLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnSaleOfMortgageLoans" xlink:to="lab_us-gaap_GainLossOnSaleOfMortgageLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SeniorUnsecuredNotes5.00Member_16f326c3-134b-4387-b279-55154a9d8787_verboseLabel_en-US" xlink:label="lab_abr_SeniorUnsecuredNotes5.00Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">5.00% Notes</link:label>
    <link:label id="lab_abr_SeniorUnsecuredNotes5.00Member_label_en-US" xlink:label="lab_abr_SeniorUnsecuredNotes5.00Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Unsecured Notes 5.00 [Member]</link:label>
    <link:label id="lab_abr_SeniorUnsecuredNotes5.00Member_documentation_en-US" xlink:label="lab_abr_SeniorUnsecuredNotes5.00Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for senior unsecured notes due in 2026.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SeniorUnsecuredNotes5.00Member" xlink:href="abr-20240930.xsd#abr_SeniorUnsecuredNotes5.00Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SeniorUnsecuredNotes5.00Member" xlink:to="lab_abr_SeniorUnsecuredNotes5.00Member" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_GuaranteeObligationsIncludedInAllowanceForLossSharingObligations_c9247877-6ae0-454a-aceb-c53cf77e2313_terseLabel_en-US" xlink:label="lab_abr_GuaranteeObligationsIncludedInAllowanceForLossSharingObligations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Guarantee obligations</link:label>
    <link:label id="lab_abr_GuaranteeObligationsIncludedInAllowanceForLossSharingObligations_label_en-US" xlink:label="lab_abr_GuaranteeObligationsIncludedInAllowanceForLossSharingObligations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Guarantee Obligations Included In Allowance For Loss Sharing Obligations</link:label>
    <link:label id="lab_abr_GuaranteeObligationsIncludedInAllowanceForLossSharingObligations_documentation_en-US" xlink:label="lab_abr_GuaranteeObligationsIncludedInAllowanceForLossSharingObligations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of guarantee obligations included in allowance for loss-sharing obligations.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_GuaranteeObligationsIncludedInAllowanceForLossSharingObligations" xlink:href="abr-20240930.xsd#abr_GuaranteeObligationsIncludedInAllowanceForLossSharingObligations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_GuaranteeObligationsIncludedInAllowanceForLossSharingObligations" xlink:to="lab_abr_GuaranteeObligationsIncludedInAllowanceForLossSharingObligations" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract_a74aaf44-d49e-4e78-bfad-bbd5791ab03e_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Basic, Other Disclosure [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract" xlink:to="lab_us-gaap_EarningsPerShareBasicOtherDisclosuresAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_PeerGroupIssuersFnTextBlock_terseLabel_en-US" xlink:label="lab_ecd_PeerGroupIssuersFnTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Peer Group Issuers, Footnote</link:label>
    <link:label id="lab_ecd_PeerGroupIssuersFnTextBlock_label_en-US" xlink:label="lab_ecd_PeerGroupIssuersFnTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Peer Group Issuers, Footnote [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_PeerGroupIssuersFnTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_PeerGroupIssuersFnTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_PeerGroupIssuersFnTextBlock" xlink:to="lab_ecd_PeerGroupIssuersFnTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_VestingPeriodThreeMember_6db5f54f-9dcb-4fd5-af7b-af36d7c62b58_terseLabel_en-US" xlink:label="lab_abr_VestingPeriodThreeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Third anniversaries</link:label>
    <link:label id="lab_abr_VestingPeriodThreeMember_label_en-US" xlink:label="lab_abr_VestingPeriodThreeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vesting Period Three [Member]</link:label>
    <link:label id="lab_abr_VestingPeriodThreeMember_documentation_en-US" xlink:label="lab_abr_VestingPeriodThreeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member represents the information pertaining to the third vesting period established by the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_VestingPeriodThreeMember" xlink:href="abr-20240930.xsd#abr_VestingPeriodThreeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_VestingPeriodThreeMember" xlink:to="lab_abr_VestingPeriodThreeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SegmentDomain_ed2f43c8-c3e7-4dcf-a586-a49dee44522f_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segments [Domain]</link:label>
    <link:label id="lab_us-gaap_SegmentDomain_label_en-US" xlink:label="lab_us-gaap_SegmentDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segments [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentDomain" xlink:to="lab_us-gaap_SegmentDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ScheduleOfOriginationDataAndLoansSalesDataBySegmentTableTextBlock_e0b444d3-16e9-444a-b446-d748e42cc6f5_terseLabel_en-US" xlink:label="lab_abr_ScheduleOfOriginationDataAndLoansSalesDataBySegmentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Origination Data and Loans Sales Data By Segment</link:label>
    <link:label id="lab_abr_ScheduleOfOriginationDataAndLoansSalesDataBySegmentTableTextBlock_label_en-US" xlink:label="lab_abr_ScheduleOfOriginationDataAndLoansSalesDataBySegmentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Origination Data and Loans Sales Data By Segment [Table Text Block]</link:label>
    <link:label id="lab_abr_ScheduleOfOriginationDataAndLoansSalesDataBySegmentTableTextBlock_documentation_en-US" xlink:label="lab_abr_ScheduleOfOriginationDataAndLoansSalesDataBySegmentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of the loan origination data and loan sales data for each reportable segment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ScheduleOfOriginationDataAndLoansSalesDataBySegmentTableTextBlock" xlink:href="abr-20240930.xsd#abr_ScheduleOfOriginationDataAndLoansSalesDataBySegmentTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ScheduleOfOriginationDataAndLoansSalesDataBySegmentTableTextBlock" xlink:to="lab_abr_ScheduleOfOriginationDataAndLoansSalesDataBySegmentTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CapitalizedMortgageServicingRightsNet_dfd6daed-e509-4cbd-97f0-345826d289f6_terseLabel_en-US" xlink:label="lab_abr_CapitalizedMortgageServicingRightsNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capitalized mortgage servicing rights, net</link:label>
    <link:label id="lab_abr_CapitalizedMortgageServicingRightsNet_label_en-US" xlink:label="lab_abr_CapitalizedMortgageServicingRightsNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capitalized Mortgage Servicing Rights, Net</link:label>
    <link:label id="lab_abr_CapitalizedMortgageServicingRightsNet_documentation_en-US" xlink:label="lab_abr_CapitalizedMortgageServicingRightsNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents capitalized mortgage servicing rights.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CapitalizedMortgageServicingRightsNet" xlink:href="abr-20240930.xsd#abr_CapitalizedMortgageServicingRightsNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CapitalizedMortgageServicingRightsNet" xlink:to="lab_abr_CapitalizedMortgageServicingRightsNet" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ImpairedFinancingReceivableCarryingValue_c7645da9-0f62-4673-bf86-98bfc2b51d41_verboseLabel_en-US" xlink:label="lab_abr_ImpairedFinancingReceivableCarryingValue" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Carrying Value</link:label>
    <link:label id="lab_abr_ImpairedFinancingReceivableCarryingValue_4eecf0d7-064d-4b49-a633-85d00734d420_totalLabel_en-US" xlink:label="lab_abr_ImpairedFinancingReceivableCarryingValue" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Impaired loans, net</link:label>
    <link:label id="lab_abr_ImpairedFinancingReceivableCarryingValue_label_en-US" xlink:label="lab_abr_ImpairedFinancingReceivableCarryingValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impaired Financing Receivable, Carrying Value</link:label>
    <link:label id="lab_abr_ImpairedFinancingReceivableCarryingValue_documentation_en-US" xlink:label="lab_abr_ImpairedFinancingReceivableCarryingValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Carrying value of impaired financing receivables.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ImpairedFinancingReceivableCarryingValue" xlink:href="abr-20240930.xsd#abr_ImpairedFinancingReceivableCarryingValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ImpairedFinancingReceivableCarryingValue" xlink:to="lab_abr_ImpairedFinancingReceivableCarryingValue" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_VestingPeriodFourMember_7c41bd5b-d72e-4703-9884-a055f37c58d1_terseLabel_en-US" xlink:label="lab_abr_VestingPeriodFourMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fourth anniversaries</link:label>
    <link:label id="lab_abr_VestingPeriodFourMember_label_en-US" xlink:label="lab_abr_VestingPeriodFourMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vesting Period Four [Member]</link:label>
    <link:label id="lab_abr_VestingPeriodFourMember_documentation_en-US" xlink:label="lab_abr_VestingPeriodFourMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member represents the information pertaining to the vesting period four.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_VestingPeriodFourMember" xlink:href="abr-20240930.xsd#abr_VestingPeriodFourMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_VestingPeriodFourMember" xlink:to="lab_abr_VestingPeriodFourMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_BusinessCombinationConsiderationStockOperatingPartnerUnits_204c1b76-56ef-4f5e-a2eb-76b0a6c9ad3f_terseLabel_en-US" xlink:label="lab_abr_BusinessCombinationConsiderationStockOperatingPartnerUnits" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of operating units held by related party (in shares)</link:label>
    <link:label id="lab_abr_BusinessCombinationConsiderationStockOperatingPartnerUnits_label_en-US" xlink:label="lab_abr_BusinessCombinationConsiderationStockOperatingPartnerUnits" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combination Consideration, Stock, Operating Partner Units</link:label>
    <link:label id="lab_abr_BusinessCombinationConsiderationStockOperatingPartnerUnits_documentation_en-US" xlink:label="lab_abr_BusinessCombinationConsiderationStockOperatingPartnerUnits" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Numbers of operating partnership units issued or issuable in consideration for the business combination.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_BusinessCombinationConsiderationStockOperatingPartnerUnits" xlink:href="abr-20240930.xsd#abr_BusinessCombinationConsiderationStockOperatingPartnerUnits"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_BusinessCombinationConsiderationStockOperatingPartnerUnits" xlink:to="lab_abr_BusinessCombinationConsiderationStockOperatingPartnerUnits" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_PeoMember_terseLabel_en-US" xlink:label="lab_ecd_PeoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">PEO</link:label>
    <link:label id="lab_ecd_PeoMember_label_en-US" xlink:label="lab_ecd_PeoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">PEO [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_PeoMember" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_PeoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_PeoMember" xlink:to="lab_ecd_PeoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RealEstateLineItems_5103a893-2c3f-4c32-a0da-6d84be6e4338_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real Estate [Line Items]</link:label>
    <link:label id="lab_us-gaap_RealEstateLineItems_label_en-US" xlink:label="lab_us-gaap_RealEstateLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RealEstateLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateLineItems" xlink:to="lab_us-gaap_RealEstateLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LoansReceivableMaturityDomain_3c8b67ad-05fe-488a-a6dd-d85ab68b66c4_terseLabel_en-US" xlink:label="lab_abr_LoansReceivableMaturityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans Receivable Maturity [Domain]</link:label>
    <link:label id="lab_abr_LoansReceivableMaturityDomain_label_en-US" xlink:label="lab_abr_LoansReceivableMaturityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Receivable Maturity [Domain]</link:label>
    <link:label id="lab_abr_LoansReceivableMaturityDomain_documentation_en-US" xlink:label="lab_abr_LoansReceivableMaturityDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loans Receivable Maturity [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LoansReceivableMaturityDomain" xlink:href="abr-20240930.xsd#abr_LoansReceivableMaturityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LoansReceivableMaturityDomain" xlink:to="lab_abr_LoansReceivableMaturityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SeniorUnsecuredNotes4.50Member_496c4fb6-4ccd-4745-8ff1-d88269551d79_verboseLabel_en-US" xlink:label="lab_abr_SeniorUnsecuredNotes4.50Member" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">4.50% Notes</link:label>
    <link:label id="lab_abr_SeniorUnsecuredNotes4.50Member_label_en-US" xlink:label="lab_abr_SeniorUnsecuredNotes4.50Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Unsecured Notes 4.50 [Member]</link:label>
    <link:label id="lab_abr_SeniorUnsecuredNotes4.50Member_documentation_en-US" xlink:label="lab_abr_SeniorUnsecuredNotes4.50Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to senior unsecured notes percentage.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SeniorUnsecuredNotes4.50Member" xlink:href="abr-20240930.xsd#abr_SeniorUnsecuredNotes4.50Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SeniorUnsecuredNotes4.50Member" xlink:to="lab_abr_SeniorUnsecuredNotes4.50Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestPurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate_b72201f2-d2f8-4cb9-8e84-ee38bfd86342_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestPurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allowance for Credit Losses</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestPurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestPurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Excluding Accrued Interest, Purchased with Credit Deterioration, Allowance for Credit Loss at Acquisition Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestPurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestPurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestPurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate" xlink:to="lab_us-gaap_FinancingReceivableExcludingAccruedInterestPurchasedWithCreditDeteriorationAllowanceForCreditLossAtAcquisitionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_TrdArrIndName_terseLabel_en-US" xlink:label="lab_ecd_TrdArrIndName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Name</link:label>
    <link:label id="lab_ecd_TrdArrIndName_label_en-US" xlink:label="lab_ecd_TrdArrIndName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trading Arrangement, Individual Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_TrdArrIndName" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_TrdArrIndName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_TrdArrIndName" xlink:to="lab_ecd_TrdArrIndName" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SaleMarginOfMortgageLoanSold_b2c57d24-9bdc-4fd3-9df1-4143db3261e0_terseLabel_en-US" xlink:label="lab_abr_SaleMarginOfMortgageLoanSold" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sales margin (fee-based services as a % of loan sales)</link:label>
    <link:label id="lab_abr_SaleMarginOfMortgageLoanSold_label_en-US" xlink:label="lab_abr_SaleMarginOfMortgageLoanSold" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale Margin of Mortgage Loan Sold</link:label>
    <link:label id="lab_abr_SaleMarginOfMortgageLoanSold_documentation_en-US" xlink:label="lab_abr_SaleMarginOfMortgageLoanSold" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sale margin as a percent of loan sales.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SaleMarginOfMortgageLoanSold" xlink:href="abr-20240930.xsd#abr_SaleMarginOfMortgageLoanSold"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SaleMarginOfMortgageLoanSold" xlink:to="lab_abr_SaleMarginOfMortgageLoanSold" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LoansHeldToMaturityMeasurementInput_3e0dec31-0dbc-4b50-9112-8c0b21d20781_terseLabel_en-US" xlink:label="lab_abr_LoansHeldToMaturityMeasurementInput" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impaired loans, measurement input</link:label>
    <link:label id="lab_abr_LoansHeldToMaturityMeasurementInput_label_en-US" xlink:label="lab_abr_LoansHeldToMaturityMeasurementInput" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Held-to-maturity, Measurement Input</link:label>
    <link:label id="lab_abr_LoansHeldToMaturityMeasurementInput_documentation_en-US" xlink:label="lab_abr_LoansHeldToMaturityMeasurementInput" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Value of input used to measure loan, held to maturity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LoansHeldToMaturityMeasurementInput" xlink:href="abr-20240930.xsd#abr_LoansHeldToMaturityMeasurementInput"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LoansHeldToMaturityMeasurementInput" xlink:to="lab_abr_LoansHeldToMaturityMeasurementInput" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ResidentialMortgageBankingCompanyAcquisitionsMember_4a94bb04-b542-447c-9073-4330d340d279_terseLabel_en-US" xlink:label="lab_abr_ResidentialMortgageBankingCompanyAcquisitionsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Residential mortgage banking business</link:label>
    <link:label id="lab_abr_ResidentialMortgageBankingCompanyAcquisitionsMember_label_en-US" xlink:label="lab_abr_ResidentialMortgageBankingCompanyAcquisitionsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Residential Mortgage Banking Company Acquisitions [Member]</link:label>
    <link:label id="lab_abr_ResidentialMortgageBankingCompanyAcquisitionsMember_documentation_en-US" xlink:label="lab_abr_ResidentialMortgageBankingCompanyAcquisitionsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the acquisition of indirect interest in a residential mortgage banking company.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ResidentialMortgageBankingCompanyAcquisitionsMember" xlink:href="abr-20240930.xsd#abr_ResidentialMortgageBankingCompanyAcquisitionsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ResidentialMortgageBankingCompanyAcquisitionsMember" xlink:to="lab_abr_ResidentialMortgageBankingCompanyAcquisitionsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_47693ec1-0cce-4216-895c-c82842232572_terseLabel_en-US" xlink:label="lab_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]</link:label>
    <link:label id="lab_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_label_en-US" xlink:label="lab_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:to="lab_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CapitalizedMortgageServicingRightsFairValue_d35d43e1-a4a6-4876-8ec5-9c27915a0d5d_terseLabel_en-US" xlink:label="lab_abr_CapitalizedMortgageServicingRightsFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capitalized mortgage servicing rights, net</link:label>
    <link:label id="lab_abr_CapitalizedMortgageServicingRightsFairValue_label_en-US" xlink:label="lab_abr_CapitalizedMortgageServicingRightsFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capitalized Mortgage Servicing Rights, Fair Value</link:label>
    <link:label id="lab_abr_CapitalizedMortgageServicingRightsFairValue_documentation_en-US" xlink:label="lab_abr_CapitalizedMortgageServicingRightsFairValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of fair value of capitalized mortgage servicing rights.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CapitalizedMortgageServicingRightsFairValue" xlink:href="abr-20240930.xsd#abr_CapitalizedMortgageServicingRightsFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CapitalizedMortgageServicingRightsFairValue" xlink:to="lab_abr_CapitalizedMortgageServicingRightsFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_TemporaryInterestRateReliefAndExtendedMaturitySixteenLoansMember_a9fc3881-2506-4a59-ac2d-6ace830d238b_terseLabel_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefAndExtendedMaturitySixteenLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief And Extended Maturity, Sixteen Loans</link:label>
    <link:label id="lab_abr_TemporaryInterestRateReliefAndExtendedMaturitySixteenLoansMember_label_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefAndExtendedMaturitySixteenLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief And Extended Maturity, Sixteen Loans [Member]</link:label>
    <link:label id="lab_abr_TemporaryInterestRateReliefAndExtendedMaturitySixteenLoansMember_documentation_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefAndExtendedMaturitySixteenLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief And Extended Maturity, Sixteen Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_TemporaryInterestRateReliefAndExtendedMaturitySixteenLoansMember" xlink:href="abr-20240930.xsd#abr_TemporaryInterestRateReliefAndExtendedMaturitySixteenLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_TemporaryInterestRateReliefAndExtendedMaturitySixteenLoansMember" xlink:to="lab_abr_TemporaryInterestRateReliefAndExtendedMaturitySixteenLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestments_07cd01b6-a83e-4a48-ab71-f1ae799e6e33_verboseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestments" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Income from equity affiliates</link:label>
    <link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestments_584f2147-d7bd-403b-b37b-0c9ed93558b5_negatedLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestments" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Income from equity affiliates</link:label>
    <link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestments_3d4fc759-6538-4c1c-96fc-c350fc58f22e_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income (loss) from equity affiliates</link:label>
    <link:label id="lab_us-gaap_IncomeLossFromEquityMethodInvestments_label_en-US" xlink:label="lab_us-gaap_IncomeLossFromEquityMethodInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income (Loss) from Equity Method Investments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromEquityMethodInvestments" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeLossFromEquityMethodInvestments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeLossFromEquityMethodInvestments" xlink:to="lab_us-gaap_IncomeLossFromEquityMethodInvestments" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_WarehouseRepurchaseFacility649MillionMember_9b915336-8286-4d2b-8131-7664776d17b6_terseLabel_en-US" xlink:label="lab_abr_WarehouseRepurchaseFacility649MillionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$649M repurchase facility</link:label>
    <link:label id="lab_abr_WarehouseRepurchaseFacility649MillionMember_label_en-US" xlink:label="lab_abr_WarehouseRepurchaseFacility649MillionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warehouse Repurchase Facility 649 Million [Member]</link:label>
    <link:label id="lab_abr_WarehouseRepurchaseFacility649MillionMember_documentation_en-US" xlink:label="lab_abr_WarehouseRepurchaseFacility649MillionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to the 499 million credit facility.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_WarehouseRepurchaseFacility649MillionMember" xlink:href="abr-20240930.xsd#abr_WarehouseRepurchaseFacility649MillionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_WarehouseRepurchaseFacility649MillionMember" xlink:to="lab_abr_WarehouseRepurchaseFacility649MillionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock_28a5a223-ede2-4334-9def-d5ea7e775f54_terseLabel_en-US" xlink:label="lab_us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Product and Geographic Concentration</link:label>
    <link:label id="lab_us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock_label_en-US" xlink:label="lab_us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedules of Concentration of Risk, by Risk Factor [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock" xlink:to="lab_us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AwardsCloseToMnpiDiscTableTextBlock_terseLabel_en-US" xlink:label="lab_ecd_AwardsCloseToMnpiDiscTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Awards Close in Time to MNPI Disclosures, Table</link:label>
    <link:label id="lab_ecd_AwardsCloseToMnpiDiscTableTextBlock_label_en-US" xlink:label="lab_ecd_AwardsCloseToMnpiDiscTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Awards Close in Time to MNPI Disclosures [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AwardsCloseToMnpiDiscTableTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AwardsCloseToMnpiDiscTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_AwardsCloseToMnpiDiscTableTextBlock" xlink:to="lab_ecd_AwardsCloseToMnpiDiscTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SeniorLienMember_32fb4bdb-468a-402e-8358-25c9fccb99e0_terseLabel_en-US" xlink:label="lab_us-gaap_SeniorLienMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Senior Lien</link:label>
    <link:label id="lab_us-gaap_SeniorLienMember_label_en-US" xlink:label="lab_us-gaap_SeniorLienMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Lien [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorLienMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SeniorLienMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SeniorLienMember" xlink:to="lab_us-gaap_SeniorLienMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_FrValAsOfPrrYrEndOfEqtyAwrdsGrntdInPrrYrsFldVstngCondsDrngCvrdYrMember_terseLabel_en-US" xlink:label="lab_ecd_FrValAsOfPrrYrEndOfEqtyAwrdsGrntdInPrrYrsFldVstngCondsDrngCvrdYrMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year</link:label>
    <link:label id="lab_ecd_FrValAsOfPrrYrEndOfEqtyAwrdsGrntdInPrrYrsFldVstngCondsDrngCvrdYrMember_label_en-US" xlink:label="lab_ecd_FrValAsOfPrrYrEndOfEqtyAwrdsGrntdInPrrYrsFldVstngCondsDrngCvrdYrMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_FrValAsOfPrrYrEndOfEqtyAwrdsGrntdInPrrYrsFldVstngCondsDrngCvrdYrMember" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_FrValAsOfPrrYrEndOfEqtyAwrdsGrntdInPrrYrsFldVstngCondsDrngCvrdYrMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_FrValAsOfPrrYrEndOfEqtyAwrdsGrntdInPrrYrsFldVstngCondsDrngCvrdYrMember" xlink:to="lab_ecd_FrValAsOfPrrYrEndOfEqtyAwrdsGrntdInPrrYrsFldVstngCondsDrngCvrdYrMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NumberOfPreferredStockSharesPairedWithEachOperatingPartnershipUnit_7ada1672-bad5-4b2c-84bc-54c5dbea3dfd_terseLabel_en-US" xlink:label="lab_abr_NumberOfPreferredStockSharesPairedWithEachOperatingPartnershipUnit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of preferred stock shares paired with each OP units (in shares)</link:label>
    <link:label id="lab_abr_NumberOfPreferredStockSharesPairedWithEachOperatingPartnershipUnit_label_en-US" xlink:label="lab_abr_NumberOfPreferredStockSharesPairedWithEachOperatingPartnershipUnit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Preferred Stock Shares Paired With Each Operating Partnership Unit</link:label>
    <link:label id="lab_abr_NumberOfPreferredStockSharesPairedWithEachOperatingPartnershipUnit_documentation_en-US" xlink:label="lab_abr_NumberOfPreferredStockSharesPairedWithEachOperatingPartnershipUnit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents number of preferred stock shares paired with each operating partnership unit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NumberOfPreferredStockSharesPairedWithEachOperatingPartnershipUnit" xlink:href="abr-20240930.xsd#abr_NumberOfPreferredStockSharesPairedWithEachOperatingPartnershipUnit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NumberOfPreferredStockSharesPairedWithEachOperatingPartnershipUnit" xlink:to="lab_abr_NumberOfPreferredStockSharesPairedWithEachOperatingPartnershipUnit" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableLoansModifiedInPeriodEquityReinvested_715dcc55-024d-4b4b-8115-ff35dda44909_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableLoansModifiedInPeriodEquityReinvested" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New borrower investments</link:label>
    <link:label id="lab_abr_FinancingReceivableLoansModifiedInPeriodEquityReinvested_label_en-US" xlink:label="lab_abr_FinancingReceivableLoansModifiedInPeriodEquityReinvested" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Loans Modified In Period, Equity Reinvested</link:label>
    <link:label id="lab_abr_FinancingReceivableLoansModifiedInPeriodEquityReinvested_documentation_en-US" xlink:label="lab_abr_FinancingReceivableLoansModifiedInPeriodEquityReinvested" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Loans Modified In Period, Equity Reinvested</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableLoansModifiedInPeriodEquityReinvested" xlink:href="abr-20240930.xsd#abr_FinancingReceivableLoansModifiedInPeriodEquityReinvested"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableLoansModifiedInPeriodEquityReinvested" xlink:to="lab_abr_FinancingReceivableLoansModifiedInPeriodEquityReinvested" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AggtErrCompAmt_terseLabel_en-US" xlink:label="lab_ecd_AggtErrCompAmt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate Erroneous Compensation Amount</link:label>
    <link:label id="lab_ecd_AggtErrCompAmt_label_en-US" xlink:label="lab_ecd_AggtErrCompAmt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Aggregate Erroneous Compensation Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AggtErrCompAmt" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AggtErrCompAmt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_AggtErrCompAmt" xlink:to="lab_ecd_AggtErrCompAmt" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_MeasurementInputRevenueMultipleMember_cbb389b3-f45f-48af-ae00-0b1bbc05104a_terseLabel_en-US" xlink:label="lab_us-gaap_MeasurementInputRevenueMultipleMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Revenue growth rate</link:label>
    <link:label id="lab_us-gaap_MeasurementInputRevenueMultipleMember_label_en-US" xlink:label="lab_us-gaap_MeasurementInputRevenueMultipleMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Measurement Input, Revenue Multiple [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputRevenueMultipleMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputRevenueMultipleMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MeasurementInputRevenueMultipleMember" xlink:to="lab_us-gaap_MeasurementInputRevenueMultipleMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_UnpaidPrincipalBalance_5bc678c0-1ac8-47f8-995c-3e1fde8ba08c_terseLabel_en-US" xlink:label="lab_abr_UnpaidPrincipalBalance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unpaid principal balance</link:label>
    <link:label id="lab_abr_UnpaidPrincipalBalance_label_en-US" xlink:label="lab_abr_UnpaidPrincipalBalance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unpaid Principal Balance</link:label>
    <link:label id="lab_abr_UnpaidPrincipalBalance_documentation_en-US" xlink:label="lab_abr_UnpaidPrincipalBalance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of upb is unpaid principal balance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_UnpaidPrincipalBalance" xlink:href="abr-20240930.xsd#abr_UnpaidPrincipalBalance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_UnpaidPrincipalBalance" xlink:to="lab_abr_UnpaidPrincipalBalance" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RealEstateInvestmentsCommitmentAmount_b342f60e-2c60-4ec0-a42d-cd14ac8ed476_terseLabel_en-US" xlink:label="lab_abr_RealEstateInvestmentsCommitmentAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real estate investments, commitment, amount</link:label>
    <link:label id="lab_abr_RealEstateInvestmentsCommitmentAmount_label_en-US" xlink:label="lab_abr_RealEstateInvestmentsCommitmentAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Investments, Commitment, Amount</link:label>
    <link:label id="lab_abr_RealEstateInvestmentsCommitmentAmount_documentation_en-US" xlink:label="lab_abr_RealEstateInvestmentsCommitmentAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Real Estate Investments, Commitment, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RealEstateInvestmentsCommitmentAmount" xlink:href="abr-20240930.xsd#abr_RealEstateInvestmentsCommitmentAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RealEstateInvestmentsCommitmentAmount" xlink:to="lab_abr_RealEstateInvestmentsCommitmentAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SaleOfStockNumberOfSharesAvailableForSale_ecb6e41b-3b22-4b7f-ac5d-c89efe3b62d9_terseLabel_en-US" xlink:label="lab_abr_SaleOfStockNumberOfSharesAvailableForSale" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares that may be issued under equity offerings (in shares)</link:label>
    <link:label id="lab_abr_SaleOfStockNumberOfSharesAvailableForSale_label_en-US" xlink:label="lab_abr_SaleOfStockNumberOfSharesAvailableForSale" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale Of Stock, Number Of Shares Available For Sale</link:label>
    <link:label id="lab_abr_SaleOfStockNumberOfSharesAvailableForSale_documentation_en-US" xlink:label="lab_abr_SaleOfStockNumberOfSharesAvailableForSale" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sale Of Stock, Number Of Shares Available For Sale</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SaleOfStockNumberOfSharesAvailableForSale" xlink:href="abr-20240930.xsd#abr_SaleOfStockNumberOfSharesAvailableForSale"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SaleOfStockNumberOfSharesAvailableForSale" xlink:to="lab_abr_SaleOfStockNumberOfSharesAvailableForSale" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LetterOfCreditAssignedAmount_9a9f9c0e-fae8-4543-b26a-4a1dd88c00da_terseLabel_en-US" xlink:label="lab_abr_LetterOfCreditAssignedAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Letter of credit assigned</link:label>
    <link:label id="lab_abr_LetterOfCreditAssignedAmount_label_en-US" xlink:label="lab_abr_LetterOfCreditAssignedAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letter of Credit, Assigned Amount</link:label>
    <link:label id="lab_abr_LetterOfCreditAssignedAmount_documentation_en-US" xlink:label="lab_abr_LetterOfCreditAssignedAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of letter of credit assigned to meet the restricted liquidity requirement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LetterOfCreditAssignedAmount" xlink:href="abr-20240930.xsd#abr_LetterOfCreditAssignedAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LetterOfCreditAssignedAmount" xlink:to="lab_abr_LetterOfCreditAssignedAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_LocalPhoneNumber_7402726f-aecf-46e5-a03b-8376f4263ef1_terseLabel_en-US" xlink:label="lab_dei_LocalPhoneNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Local Phone Number</link:label>
    <link:label id="lab_dei_LocalPhoneNumber_label_en-US" xlink:label="lab_dei_LocalPhoneNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Local Phone Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_LocalPhoneNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_LocalPhoneNumber" xlink:to="lab_dei_LocalPhoneNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SFRFixedRateMember_5142e057-52b2-4c01-9f42-2002ba6758ed_terseLabel_en-US" xlink:label="lab_abr_SFRFixedRateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SFR - Fixed Rate</link:label>
    <link:label id="lab_abr_SFRFixedRateMember_label_en-US" xlink:label="lab_abr_SFRFixedRateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SFR - Fixed Rate. [Member]</link:label>
    <link:label id="lab_abr_SFRFixedRateMember_documentation_en-US" xlink:label="lab_abr_SFRFixedRateMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to SFR.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SFRFixedRateMember" xlink:href="abr-20240930.xsd#abr_SFRFixedRateMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SFRFixedRateMember" xlink:to="lab_abr_SFRFixedRateMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AggtErrCompNotYetDeterminedTextBlock_terseLabel_en-US" xlink:label="lab_ecd_AggtErrCompNotYetDeterminedTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate Erroneous Compensation Not Yet Determined</link:label>
    <link:label id="lab_ecd_AggtErrCompNotYetDeterminedTextBlock_label_en-US" xlink:label="lab_ecd_AggtErrCompNotYetDeterminedTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Aggregate Erroneous Compensation Not Yet Determined [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AggtErrCompNotYetDeterminedTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AggtErrCompNotYetDeterminedTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_AggtErrCompNotYetDeterminedTextBlock" xlink:to="lab_ecd_AggtErrCompNotYetDeterminedTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates_0ea85985-cd6f-49be-9866-a94c3d8fc607_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Contributions to equity affiliates</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates_9fee7cc2-f48a-4df4-9046-348f7133dd4a_terseLabel_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payments to acquire interest in newly formed entity</link:label>
    <link:label id="lab_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates_label_en-US" xlink:label="lab_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments to Acquire Interest in Subsidiaries and Affiliates</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates" xlink:to="lab_us-gaap_PaymentsToAcquireInterestInSubsidiariesAndAffiliates" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OperatingExpenses_0adb40bf-a91d-4ed2-8d71-f55b0ad9f5c8_totalLabel_en-US" xlink:label="lab_us-gaap_OperatingExpenses" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total other expenses</link:label>
    <link:label id="lab_us-gaap_OperatingExpenses_label_en-US" xlink:label="lab_us-gaap_OperatingExpenses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Expenses</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpenses" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpenses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingExpenses" xlink:to="lab_us-gaap_OperatingExpenses" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherIncomeAbstract_ebfbef03-7b44-46c1-85cd-e9a79c6bfc1b_terseLabel_en-US" xlink:label="lab_us-gaap_OtherIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other revenue:</link:label>
    <link:label id="lab_us-gaap_OtherIncomeAbstract_label_en-US" xlink:label="lab_us-gaap_OtherIncomeAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Component of Operating Income [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIncomeAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherIncomeAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherIncomeAbstract" xlink:to="lab_us-gaap_OtherIncomeAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLossPreviouslyNonPerformingLoans_1fc72f0c-de74-4a5a-a3cf-f5b33a689224_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLossPreviouslyNonPerformingLoans" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans previously classified as non-performing</link:label>
    <link:label id="lab_abr_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLossPreviouslyNonPerformingLoans_label_en-US" xlink:label="lab_abr_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLossPreviouslyNonPerformingLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Accrued Interest, Before Allowance For Credit Loss, Previously Non-Performing Loans</link:label>
    <link:label id="lab_abr_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLossPreviouslyNonPerformingLoans_documentation_en-US" xlink:label="lab_abr_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLossPreviouslyNonPerformingLoans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Accrued Interest, Before Allowance For Credit Loss, Previously Non-Performing Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLossPreviouslyNonPerformingLoans" xlink:href="abr-20240930.xsd#abr_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLossPreviouslyNonPerformingLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLossPreviouslyNonPerformingLoans" xlink:to="lab_abr_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLossPreviouslyNonPerformingLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ShareRepurchaseProgramMember_591cf570-dfba-478a-8dff-1fff4476743a_terseLabel_en-US" xlink:label="lab_abr_ShareRepurchaseProgramMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share repurchase program</link:label>
    <link:label id="lab_abr_ShareRepurchaseProgramMember_label_en-US" xlink:label="lab_abr_ShareRepurchaseProgramMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Repurchase Program [Member]</link:label>
    <link:label id="lab_abr_ShareRepurchaseProgramMember_documentation_en-US" xlink:label="lab_abr_ShareRepurchaseProgramMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the information pertaining to share repurchase program.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ShareRepurchaseProgramMember" xlink:href="abr-20240930.xsd#abr_ShareRepurchaseProgramMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ShareRepurchaseProgramMember" xlink:to="lab_abr_ShareRepurchaseProgramMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeNetLiabilityPositionAggregateFairValue_1026e7e8-ec87-40c0-b355-459356232d04_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeNetLiabilityPositionAggregateFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative, net liability positions</link:label>
    <link:label id="lab_us-gaap_DerivativeNetLiabilityPositionAggregateFairValue_label_en-US" xlink:label="lab_us-gaap_DerivativeNetLiabilityPositionAggregateFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Net Liability Position, Aggregate Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNetLiabilityPositionAggregateFairValue" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeNetLiabilityPositionAggregateFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeNetLiabilityPositionAggregateFairValue" xlink:to="lab_us-gaap_DerivativeNetLiabilityPositionAggregateFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CapitalPartnerMember_06636884-bbea-49e0-811d-51250147e2da_terseLabel_en-US" xlink:label="lab_abr_CapitalPartnerMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capital Partner</link:label>
    <link:label id="lab_abr_CapitalPartnerMember_label_en-US" xlink:label="lab_abr_CapitalPartnerMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capital Partner [Member]</link:label>
    <link:label id="lab_abr_CapitalPartnerMember_documentation_en-US" xlink:label="lab_abr_CapitalPartnerMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Capital Partner</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CapitalPartnerMember" xlink:href="abr-20240930.xsd#abr_CapitalPartnerMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CapitalPartnerMember" xlink:to="lab_abr_CapitalPartnerMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear_f6b8e8c3-645e-4466-9b4e-b1bb3ea0cd1f_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Origination Year Five</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear" xlink:to="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_WarehouseRepurchaseFacility500MillionMember_97eb3a88-8bcd-4431-8928-707e8b7c18f4_terseLabel_en-US" xlink:label="lab_abr_WarehouseRepurchaseFacility500MillionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$500M repurchase facility</link:label>
    <link:label id="lab_abr_WarehouseRepurchaseFacility500MillionMember_label_en-US" xlink:label="lab_abr_WarehouseRepurchaseFacility500MillionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warehouse Repurchase Facility 500 Million [Member]</link:label>
    <link:label id="lab_abr_WarehouseRepurchaseFacility500MillionMember_documentation_en-US" xlink:label="lab_abr_WarehouseRepurchaseFacility500MillionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to $500 million repurchase facility.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_WarehouseRepurchaseFacility500MillionMember" xlink:href="abr-20240930.xsd#abr_WarehouseRepurchaseFacility500MillionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_WarehouseRepurchaseFacility500MillionMember" xlink:to="lab_abr_WarehouseRepurchaseFacility500MillionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_PeoTotalCompAmt_terseLabel_en-US" xlink:label="lab_ecd_PeoTotalCompAmt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">PEO Total Compensation Amount</link:label>
    <link:label id="lab_ecd_PeoTotalCompAmt_label_en-US" xlink:label="lab_ecd_PeoTotalCompAmt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">PEO Total Compensation Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_PeoTotalCompAmt" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_PeoTotalCompAmt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_PeoTotalCompAmt" xlink:to="lab_ecd_PeoTotalCompAmt" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SeniorNotes_9b01d746-f609-4f21-8949-7b69f28c5a0c_verboseLabel_en-US" xlink:label="lab_us-gaap_SeniorNotes" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Senior unsecured notes</link:label>
    <link:label id="lab_us-gaap_SeniorNotes_label_en-US" xlink:label="lab_us-gaap_SeniorNotes" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Notes</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotes" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SeniorNotes"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SeniorNotes" xlink:to="lab_us-gaap_SeniorNotes" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeLiability_6ac588de-98d0-4baf-a97d-468126bcd4b0_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Derivative Liabilities</link:label>
    <link:label id="lab_us-gaap_DerivativeFairValueOfDerivativeLiability_label_en-US" xlink:label="lab_us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Liability, Subject to Master Netting Arrangement, before Offset</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeFairValueOfDerivativeLiability"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:to="lab_us-gaap_DerivativeFairValueOfDerivativeLiability" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_UnpaidPrincipalBalanceServicingPortfolio_13ea0641-a655-4750-9358-89b37c1478f2_terseLabel_en-US" xlink:label="lab_abr_UnpaidPrincipalBalanceServicingPortfolio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Servicing Portfolio UPB</link:label>
    <link:label id="lab_abr_UnpaidPrincipalBalanceServicingPortfolio_label_en-US" xlink:label="lab_abr_UnpaidPrincipalBalanceServicingPortfolio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unpaid Principal Balance, Servicing Portfolio</link:label>
    <link:label id="lab_abr_UnpaidPrincipalBalanceServicingPortfolio_documentation_en-US" xlink:label="lab_abr_UnpaidPrincipalBalanceServicingPortfolio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of unpaid principal balance of servicing portfolio.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_UnpaidPrincipalBalanceServicingPortfolio" xlink:href="abr-20240930.xsd#abr_UnpaidPrincipalBalanceServicingPortfolio"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_UnpaidPrincipalBalanceServicingPortfolio" xlink:to="lab_abr_UnpaidPrincipalBalanceServicingPortfolio" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RelatedPartyTransactionNumberOfBridgeLoansOriginated_9965629f-9f0e-4d26-b415-570c00dfc8ab_terseLabel_en-US" xlink:label="lab_abr_RelatedPartyTransactionNumberOfBridgeLoansOriginated" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of bridge loans originated</link:label>
    <link:label id="lab_abr_RelatedPartyTransactionNumberOfBridgeLoansOriginated_label_en-US" xlink:label="lab_abr_RelatedPartyTransactionNumberOfBridgeLoansOriginated" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transaction, Number of Bridge Loans Originated</link:label>
    <link:label id="lab_abr_RelatedPartyTransactionNumberOfBridgeLoansOriginated_documentation_en-US" xlink:label="lab_abr_RelatedPartyTransactionNumberOfBridgeLoansOriginated" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the number of bridge loan originated with relevant mortgage property owned by related parties.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RelatedPartyTransactionNumberOfBridgeLoansOriginated" xlink:href="abr-20240930.xsd#abr_RelatedPartyTransactionNumberOfBridgeLoansOriginated"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RelatedPartyTransactionNumberOfBridgeLoansOriginated" xlink:to="lab_abr_RelatedPartyTransactionNumberOfBridgeLoansOriginated" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SingleFamilyResidentialMember_be75ff82-eadb-4abb-aa35-fd2c40bc9bb0_terseLabel_en-US" xlink:label="lab_abr_SingleFamilyResidentialMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SFR - Fixed Rate.</link:label>
    <link:label id="lab_abr_SingleFamilyResidentialMember_label_en-US" xlink:label="lab_abr_SingleFamilyResidentialMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SFR - Fixed Rate.</link:label>
    <link:label id="lab_abr_SingleFamilyResidentialMember_documentation_en-US" xlink:label="lab_abr_SingleFamilyResidentialMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to SFR.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SingleFamilyResidentialMember" xlink:href="abr-20240930.xsd#abr_SingleFamilyResidentialMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SingleFamilyResidentialMember" xlink:to="lab_abr_SingleFamilyResidentialMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeStatementLocationAxis_4b0d76de-0f6c-4f31-a60f-7a58f3c18f15_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Statement Location [Axis]</link:label>
    <link:label id="lab_us-gaap_IncomeStatementLocationAxis_label_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Income Location, Balance [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementLocationAxis" xlink:to="lab_us-gaap_IncomeStatementLocationAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtDisclosureAbstract_4cf6b9bc-87d3-4868-8125-d493df954acf_terseLabel_en-US" xlink:label="lab_us-gaap_DebtDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Disclosure [Abstract]</link:label>
    <link:label id="lab_us-gaap_DebtDisclosureAbstract_label_en-US" xlink:label="lab_us-gaap_DebtDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Disclosure [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtDisclosureAbstract" xlink:to="lab_us-gaap_DebtDisclosureAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommonStockMember_446abc61-46a1-47fa-982d-1f199d56f373_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common Stock</link:label>
    <link:label id="lab_us-gaap_CommonStockMember_label_en-US" xlink:label="lab_us-gaap_CommonStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockMember" xlink:to="lab_us-gaap_CommonStockMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ContractualObligationDueInThirdYear_69c60ac3-e9ed-470d-a452-7b6230f2f803_totalLabel_en-US" xlink:label="lab_us-gaap_ContractualObligationDueInThirdYear" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">2027</link:label>
    <link:label id="lab_us-gaap_ContractualObligationDueInThirdYear_label_en-US" xlink:label="lab_us-gaap_ContractualObligationDueInThirdYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Obligation, to be Paid, Year Three</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueInThirdYear" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractualObligationDueInThirdYear"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractualObligationDueInThirdYear" xlink:to="lab_us-gaap_ContractualObligationDueInThirdYear" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_ForgoneRecoveryDueToExpenseOfEnforcementAmt_terseLabel_en-US" xlink:label="lab_ecd_ForgoneRecoveryDueToExpenseOfEnforcementAmt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forgone Recovery due to Expense of Enforcement, Amount</link:label>
    <link:label id="lab_ecd_ForgoneRecoveryDueToExpenseOfEnforcementAmt_label_en-US" xlink:label="lab_ecd_ForgoneRecoveryDueToExpenseOfEnforcementAmt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forgone Recovery due to Expense of Enforcement, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_ForgoneRecoveryDueToExpenseOfEnforcementAmt" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_ForgoneRecoveryDueToExpenseOfEnforcementAmt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_ForgoneRecoveryDueToExpenseOfEnforcementAmt" xlink:to="lab_ecd_ForgoneRecoveryDueToExpenseOfEnforcementAmt" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_TemporaryInterestRateReliefMember_dcc95963-43c7-4c6c-ab17-e8352195f41b_terseLabel_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief</link:label>
    <link:label id="lab_abr_TemporaryInterestRateReliefMember_label_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief [Member]</link:label>
    <link:label id="lab_abr_TemporaryInterestRateReliefMember_documentation_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_TemporaryInterestRateReliefMember" xlink:href="abr-20240930.xsd#abr_TemporaryInterestRateReliefMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_TemporaryInterestRateReliefMember" xlink:to="lab_abr_TemporaryInterestRateReliefMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_GainLossOnSaleOfNotesReceivable_3cf3fe3f-b0ff-4a66-a7af-06dcadf82782_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfNotesReceivable" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Loss on sale of loans</link:label>
    <link:label id="lab_us-gaap_GainLossOnSaleOfNotesReceivable_a2e7a7a6-b044-4a24-b317-eff318d16aed_terseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfNotesReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gain on sale of loans</link:label>
    <link:label id="lab_us-gaap_GainLossOnSaleOfNotesReceivable_label_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfNotesReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) on Sale of Financing Receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfNotesReceivable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnSaleOfNotesReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnSaleOfNotesReceivable" xlink:to="lab_us-gaap_GainLossOnSaleOfNotesReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SegmentReportingAbstract_1b1d777b-540c-4f4f-ae8e-8203bfb7b939_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment Reporting [Abstract]</link:label>
    <link:label id="lab_us-gaap_SegmentReportingAbstract_label_en-US" xlink:label="lab_us-gaap_SegmentReportingAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Reporting [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingAbstract" xlink:to="lab_us-gaap_SegmentReportingAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_ba94bd8e-b6f6-48f4-8ded-c6dbbd82be84_terseLabel_en-US" xlink:label="lab_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares withheld for taxes (in shares)</link:label>
    <link:label id="lab_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_label_en-US" xlink:label="lab_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation" xlink:to="lab_us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NumberOfImpairedLoansByAssetClass_3175c2af-15b0-4586-b46d-56e851e82366_terseLabel_en-US" xlink:label="lab_abr_NumberOfImpairedLoansByAssetClass" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of impaired loans (less unearned revenue and other holdbacks and adjustments) by asset class</link:label>
    <link:label id="lab_abr_NumberOfImpairedLoansByAssetClass_label_en-US" xlink:label="lab_abr_NumberOfImpairedLoansByAssetClass" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Impaired Loans by Asset Class</link:label>
    <link:label id="lab_abr_NumberOfImpairedLoansByAssetClass_documentation_en-US" xlink:label="lab_abr_NumberOfImpairedLoansByAssetClass" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of impaired loans (less unearned revenue and other holdbacks and adjustments) by asset class.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NumberOfImpairedLoansByAssetClass" xlink:href="abr-20240930.xsd#abr_NumberOfImpairedLoansByAssetClass"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NumberOfImpairedLoansByAssetClass" xlink:to="lab_abr_NumberOfImpairedLoansByAssetClass" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCentralIndexKey_a9cd9ad0-3fee-41a5-9c3c-f0bc211fa266_terseLabel_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:label id="lab_dei_EntityCentralIndexKey_label_en-US" xlink:label="lab_dei_EntityCentralIndexKey" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Central Index Key</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCentralIndexKey"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCentralIndexKey" xlink:to="lab_dei_EntityCentralIndexKey" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue_c4cbaee5-bdf8-4391-bf70-a80082c94c6e_terseLabel_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Within one year</link:label>
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue_label_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Securities, Held-to-Maturity, Fair Value, Maturity, Allocated and Single Maturity Date, Year One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:to="lab_us-gaap_HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investments and Joint Ventures [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract" xlink:to="lab_us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtSecuritiesHeldToMaturityCreditLossExpenseReversal_ec81f6d7-6359-4abe-89dc-b213f91e16e1_terseLabel_en-US" xlink:label="lab_us-gaap_DebtSecuritiesHeldToMaturityCreditLossExpenseReversal" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for credit loss expense/(reversal)</link:label>
    <link:label id="lab_us-gaap_DebtSecuritiesHeldToMaturityCreditLossExpenseReversal_label_en-US" xlink:label="lab_us-gaap_DebtSecuritiesHeldToMaturityCreditLossExpenseReversal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Securities, Held-to-Maturity, Credit Loss Expense (Reversal)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityCreditLossExpenseReversal" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesHeldToMaturityCreditLossExpenseReversal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityCreditLossExpenseReversal" xlink:to="lab_us-gaap_DebtSecuritiesHeldToMaturityCreditLossExpenseReversal" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FederalHomeLoanMortgageCorporationLoansMember_e6604e46-d241-4cb5-ad8f-e4ed2a3e8dbf_terseLabel_en-US" xlink:label="lab_abr_FederalHomeLoanMortgageCorporationLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Freddie Mac</link:label>
    <link:label id="lab_abr_FederalHomeLoanMortgageCorporationLoansMember_label_en-US" xlink:label="lab_abr_FederalHomeLoanMortgageCorporationLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Federal Home Loan Mortgage Corporation Loans [Member]</link:label>
    <link:label id="lab_abr_FederalHomeLoanMortgageCorporationLoansMember_documentation_en-US" xlink:label="lab_abr_FederalHomeLoanMortgageCorporationLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member represents the information pertaining to loans under Federal Home Loan Mortgage Corporation (FHLMC or Freddie Mac).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FederalHomeLoanMortgageCorporationLoansMember" xlink:href="abr-20240930.xsd#abr_FederalHomeLoanMortgageCorporationLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FederalHomeLoanMortgageCorporationLoansMember" xlink:to="lab_abr_FederalHomeLoanMortgageCorporationLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_4cd1397c-32bc-440a-af2d-e98140ee14cf_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allowance for credit losses:</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Allowance for Credit Loss [Roll Forward]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward" xlink:to="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ScheduleOfUnconsolidatedVariableInterestEntitiesTableTextBlock_690c07d6-31d4-4def-83e5-4cbad03f607e_terseLabel_en-US" xlink:label="lab_abr_ScheduleOfUnconsolidatedVariableInterestEntitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Unconsolidated Variable Interest Entities</link:label>
    <link:label id="lab_abr_ScheduleOfUnconsolidatedVariableInterestEntitiesTableTextBlock_label_en-US" xlink:label="lab_abr_ScheduleOfUnconsolidatedVariableInterestEntitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Unconsolidated Variable Interest Entities [Table Text Block]</link:label>
    <link:label id="lab_abr_ScheduleOfUnconsolidatedVariableInterestEntitiesTableTextBlock_documentation_en-US" xlink:label="lab_abr_ScheduleOfUnconsolidatedVariableInterestEntitiesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of unconsolidated variable interest entities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ScheduleOfUnconsolidatedVariableInterestEntitiesTableTextBlock" xlink:href="abr-20240930.xsd#abr_ScheduleOfUnconsolidatedVariableInterestEntitiesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ScheduleOfUnconsolidatedVariableInterestEntitiesTableTextBlock" xlink:to="lab_abr_ScheduleOfUnconsolidatedVariableInterestEntitiesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NetIncomeLossAvailableToCommonStockholdersDiluted1_b1888525-c90e-4ba4-bb81-2a3259c97675_terseLabel_en-US" xlink:label="lab_abr_NetIncomeLossAvailableToCommonStockholdersDiluted1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income attributable to common stockholders and noncontrolling interest</link:label>
    <link:label id="lab_abr_NetIncomeLossAvailableToCommonStockholdersDiluted1_label_en-US" xlink:label="lab_abr_NetIncomeLossAvailableToCommonStockholdersDiluted1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income Loss Available To Common Stockholders, Diluted 1</link:label>
    <link:label id="lab_abr_NetIncomeLossAvailableToCommonStockholdersDiluted1_documentation_en-US" xlink:label="lab_abr_NetIncomeLossAvailableToCommonStockholdersDiluted1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Net income loss available to common stockholders, diluted 1.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NetIncomeLossAvailableToCommonStockholdersDiluted1" xlink:href="abr-20240930.xsd#abr_NetIncomeLossAvailableToCommonStockholdersDiluted1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NetIncomeLossAvailableToCommonStockholdersDiluted1" xlink:to="lab_abr_NetIncomeLossAvailableToCommonStockholdersDiluted1" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_NonPeoNeoAvgCompActuallyPaidAmt_terseLabel_en-US" xlink:label="lab_ecd_NonPeoNeoAvgCompActuallyPaidAmt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-PEO NEO Average Compensation Actually Paid Amount</link:label>
    <link:label id="lab_ecd_NonPeoNeoAvgCompActuallyPaidAmt_label_en-US" xlink:label="lab_ecd_NonPeoNeoAvgCompActuallyPaidAmt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-PEO NEO Average Compensation Actually Paid Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_NonPeoNeoAvgCompActuallyPaidAmt" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_NonPeoNeoAvgCompActuallyPaidAmt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_NonPeoNeoAvgCompActuallyPaidAmt" xlink:to="lab_ecd_NonPeoNeoAvgCompActuallyPaidAmt" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ImpairedFinancingReceivableWithRelatedAllowanceNumberOfLoans_c3e81942-7693-47e5-bd4b-203336046a60_terseLabel_en-US" xlink:label="lab_abr_ImpairedFinancingReceivableWithRelatedAllowanceNumberOfLoans" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of impaired loans</link:label>
    <link:label id="lab_abr_ImpairedFinancingReceivableWithRelatedAllowanceNumberOfLoans_label_en-US" xlink:label="lab_abr_ImpairedFinancingReceivableWithRelatedAllowanceNumberOfLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impaired Financing Receivable with Related Allowance Number of Loans</link:label>
    <link:label id="lab_abr_ImpairedFinancingReceivableWithRelatedAllowanceNumberOfLoans_documentation_en-US" xlink:label="lab_abr_ImpairedFinancingReceivableWithRelatedAllowanceNumberOfLoans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the number of impaired loans for which there is a related allowance for credit losses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ImpairedFinancingReceivableWithRelatedAllowanceNumberOfLoans" xlink:href="abr-20240930.xsd#abr_ImpairedFinancingReceivableWithRelatedAllowanceNumberOfLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ImpairedFinancingReceivableWithRelatedAllowanceNumberOfLoans" xlink:to="lab_abr_ImpairedFinancingReceivableWithRelatedAllowanceNumberOfLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock_c2396c7c-088d-4c3c-b7dc-d6dede35e325_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:label id="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:to="lab_us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AwardTmgHowMnpiCnsdrdTextBlock_terseLabel_en-US" xlink:label="lab_ecd_AwardTmgHowMnpiCnsdrdTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Award Timing, How MNPI Considered</link:label>
    <link:label id="lab_ecd_AwardTmgHowMnpiCnsdrdTextBlock_label_en-US" xlink:label="lab_ecd_AwardTmgHowMnpiCnsdrdTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Award Timing, How MNPI Considered [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AwardTmgHowMnpiCnsdrdTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AwardTmgHowMnpiCnsdrdTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_AwardTmgHowMnpiCnsdrdTextBlock" xlink:to="lab_ecd_AwardTmgHowMnpiCnsdrdTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_AgencyBPieceBondsMember_d50c4e19-2694-4d98-a05e-b2d07fe41958_terseLabel_en-US" xlink:label="lab_abr_AgencyBPieceBondsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Agency B Piece Bonds</link:label>
    <link:label id="lab_abr_AgencyBPieceBondsMember_label_en-US" xlink:label="lab_abr_AgencyBPieceBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Agency B Piece Bonds [Member]</link:label>
    <link:label id="lab_abr_AgencyBPieceBondsMember_documentation_en-US" xlink:label="lab_abr_AgencyBPieceBondsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to agency B piece bonds.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_AgencyBPieceBondsMember" xlink:href="abr-20240930.xsd#abr_AgencyBPieceBondsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_AgencyBPieceBondsMember" xlink:to="lab_abr_AgencyBPieceBondsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancialInstrumentAxis_d00d9b65-0527-4722-98d8-468650540f0d_terseLabel_en-US" xlink:label="lab_us-gaap_FinancialInstrumentAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Instrument [Axis]</link:label>
    <link:label id="lab_us-gaap_FinancialInstrumentAxis_label_en-US" xlink:label="lab_us-gaap_FinancialInstrumentAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Instrument [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancialInstrumentAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancialInstrumentAxis" xlink:to="lab_us-gaap_FinancialInstrumentAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SegmentReportingDisclosureTextBlock_707f94ed-9198-4df4-83c6-40013413323a_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment Information</link:label>
    <link:label id="lab_us-gaap_SegmentReportingDisclosureTextBlock_label_en-US" xlink:label="lab_us-gaap_SegmentReportingDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Reporting Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingDisclosureTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingDisclosureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingDisclosureTextBlock" xlink:to="lab_us-gaap_SegmentReportingDisclosureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_DueToDueFromBorrowersAndReserves_e2172513-e764-4921-83a3-d2122e82cc27_negatedLabel_en-US" xlink:label="lab_abr_DueToDueFromBorrowersAndReserves" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Due to borrowers and reserves</link:label>
    <link:label id="lab_abr_DueToDueFromBorrowersAndReserves_label_en-US" xlink:label="lab_abr_DueToDueFromBorrowersAndReserves" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Due to (Due from) Borrowers and Reserves</link:label>
    <link:label id="lab_abr_DueToDueFromBorrowersAndReserves_documentation_en-US" xlink:label="lab_abr_DueToDueFromBorrowersAndReserves" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the adjustment in respect of borrowers' funds held by the company to fund certain expenditures or to be released at the company's discretion upon the occurrence of certain pre-specified events and to serve as additional collateral for borrowers' loans. While retained, these balances earn interest in accordance with the specific loan terms they are associated with.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_DueToDueFromBorrowersAndReserves" xlink:href="abr-20240930.xsd#abr_DueToDueFromBorrowersAndReserves"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_DueToDueFromBorrowersAndReserves" xlink:to="lab_abr_DueToDueFromBorrowersAndReserves" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SeriesDCumulativeRedeemablePreferredStock6.375SeriesDPreferredStockMember_4c3a5ffb-003b-4472-a78b-b3e39eb91a9d_terseLabel_en-US" xlink:label="lab_abr_SeriesDCumulativeRedeemablePreferredStock6.375SeriesDPreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Series D</link:label>
    <link:label id="lab_abr_SeriesDCumulativeRedeemablePreferredStock6.375SeriesDPreferredStockMember_label_en-US" xlink:label="lab_abr_SeriesDCumulativeRedeemablePreferredStock6.375SeriesDPreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series D Cumulative Redeemable Preferred Stock 6.375 Series D Preferred Stock [Member]</link:label>
    <link:label id="lab_abr_SeriesDCumulativeRedeemablePreferredStock6.375SeriesDPreferredStockMember_documentation_en-US" xlink:label="lab_abr_SeriesDCumulativeRedeemablePreferredStock6.375SeriesDPreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member represents the information pertaining to the 6.375 percent series D cumulative redeemable preferred stock.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SeriesDCumulativeRedeemablePreferredStock6.375SeriesDPreferredStockMember" xlink:href="abr-20240930.xsd#abr_SeriesDCumulativeRedeemablePreferredStock6.375SeriesDPreferredStockMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SeriesDCumulativeRedeemablePreferredStock6.375SeriesDPreferredStockMember" xlink:to="lab_abr_SeriesDCumulativeRedeemablePreferredStock6.375SeriesDPreferredStockMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LossSharingObligationsPercent_863c2a3a-8109-41ef-8c22-7eb22f89960b_terseLabel_en-US" xlink:label="lab_abr_LossSharingObligationsPercent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss-sharing obligations (as a percent)</link:label>
    <link:label id="lab_abr_LossSharingObligationsPercent_label_en-US" xlink:label="lab_abr_LossSharingObligationsPercent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss-Sharing Obligations, Percent</link:label>
    <link:label id="lab_abr_LossSharingObligationsPercent_documentation_en-US" xlink:label="lab_abr_LossSharingObligationsPercent" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loss-sharing obligations, as percentage of the servicing portfolio.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LossSharingObligationsPercent" xlink:href="abr-20240930.xsd#abr_LossSharingObligationsPercent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LossSharingObligationsPercent" xlink:to="lab_abr_LossSharingObligationsPercent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RestrictedStockMember_254c410e-5f85-4690-8440-8242cdcf13e0_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedStockMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted common stock</link:label>
    <link:label id="lab_us-gaap_RestrictedStockMember_label_en-US" xlink:label="lab_us-gaap_RestrictedStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Stock [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedStockMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestrictedStockMember" xlink:to="lab_us-gaap_RestrictedStockMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueByMeasurementBasisAxis_4ee00aac-3b71-4def-8269-d998fd4c1324_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueByMeasurementBasisAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Measurement Basis [Axis]</link:label>
    <link:label id="lab_us-gaap_FairValueByMeasurementBasisAxis_label_en-US" xlink:label="lab_us-gaap_FairValueByMeasurementBasisAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Measurement Basis [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis" xlink:to="lab_us-gaap_FairValueByMeasurementBasisAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LoansReceivableFairValueDisclosure_daf7f66e-229f-48b9-886b-eaa9b2adbfa1_terseLabel_en-US" xlink:label="lab_us-gaap_LoansReceivableFairValueDisclosure" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans held-for-investment</link:label>
    <link:label id="lab_us-gaap_LoansReceivableFairValueDisclosure_label_en-US" xlink:label="lab_us-gaap_LoansReceivableFairValueDisclosure" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Receivable, Fair Value Disclosure</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoansReceivableFairValueDisclosure" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LoansReceivableFairValueDisclosure"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansReceivableFairValueDisclosure" xlink:to="lab_us-gaap_LoansReceivableFairValueDisclosure" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LoanReductionMember_1264f88a-6e4d-48b6-bbdf-a7d13e080f11_terseLabel_en-US" xlink:label="lab_abr_LoanReductionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan Reduction</link:label>
    <link:label id="lab_abr_LoanReductionMember_label_en-US" xlink:label="lab_abr_LoanReductionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan Reduction [Member]</link:label>
    <link:label id="lab_abr_LoanReductionMember_documentation_en-US" xlink:label="lab_abr_LoanReductionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loan Reduction</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LoanReductionMember" xlink:href="abr-20240930.xsd#abr_LoanReductionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LoanReductionMember" xlink:to="lab_abr_LoanReductionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ScheduleOfDebtInstrumentCovenantComplianceTableTextBlock_5a0685ea-ee2b-486c-9107-d52635f63f71_terseLabel_en-US" xlink:label="lab_abr_ScheduleOfDebtInstrumentCovenantComplianceTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of CLO Compliance Tests</link:label>
    <link:label id="lab_abr_ScheduleOfDebtInstrumentCovenantComplianceTableTextBlock_label_en-US" xlink:label="lab_abr_ScheduleOfDebtInstrumentCovenantComplianceTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Debt Instrument, Covenant Compliance [Table Text Block]</link:label>
    <link:label id="lab_abr_ScheduleOfDebtInstrumentCovenantComplianceTableTextBlock_documentation_en-US" xlink:label="lab_abr_ScheduleOfDebtInstrumentCovenantComplianceTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of information pertaining to debt instruments' compliance tests for determination whether the entity was in compliance with all financial covenants and restrictions.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ScheduleOfDebtInstrumentCovenantComplianceTableTextBlock" xlink:href="abr-20240930.xsd#abr_ScheduleOfDebtInstrumentCovenantComplianceTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ScheduleOfDebtInstrumentCovenantComplianceTableTextBlock" xlink:to="lab_abr_ScheduleOfDebtInstrumentCovenantComplianceTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_TrdArrIndTitle_terseLabel_en-US" xlink:label="lab_ecd_TrdArrIndTitle" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Title</link:label>
    <link:label id="lab_ecd_TrdArrIndTitle_label_en-US" xlink:label="lab_ecd_TrdArrIndTitle" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trading Arrangement, Individual Title</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_TrdArrIndTitle" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_TrdArrIndTitle"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_TrdArrIndTitle" xlink:to="lab_ecd_TrdArrIndTitle" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ConsolidatedEntitiesAxis_5e15ff36-4ba7-46d8-bf94-183fa1291b5e_terseLabel_en-US" xlink:label="lab_srt_ConsolidatedEntitiesAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidated Entities [Axis]</link:label>
    <link:label id="lab_srt_ConsolidatedEntitiesAxis_label_en-US" xlink:label="lab_srt_ConsolidatedEntitiesAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidated Entities [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ConsolidatedEntitiesAxis" xlink:to="lab_srt_ConsolidatedEntitiesAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_A2BillionJointRepurchaseFacilityMember_5e35c863-5b01-4682-943d-cec4773d0e70_terseLabel_en-US" xlink:label="lab_abr_A2BillionJointRepurchaseFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$2 Billion joint repurchase facility</link:label>
    <link:label id="lab_abr_A2BillionJointRepurchaseFacilityMember_label_en-US" xlink:label="lab_abr_A2BillionJointRepurchaseFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">$2 Billion Joint Repurchase Facility [Member]</link:label>
    <link:label id="lab_abr_A2BillionJointRepurchaseFacilityMember_documentation_en-US" xlink:label="lab_abr_A2BillionJointRepurchaseFacilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">$2 Billion Joint Repurchase Facility</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_A2BillionJointRepurchaseFacilityMember" xlink:href="abr-20240930.xsd#abr_A2BillionJointRepurchaseFacilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_A2BillionJointRepurchaseFacilityMember" xlink:to="lab_abr_A2BillionJointRepurchaseFacilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SingleFamilyRentalPropertiesRepurchaseFacility1.0MillionMember_3cb31f2a-ffc8-42ff-80f5-3cc56e490027_terseLabel_en-US" xlink:label="lab_abr_SingleFamilyRentalPropertiesRepurchaseFacility1.0MillionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$1M repurchase facility</link:label>
    <link:label id="lab_abr_SingleFamilyRentalPropertiesRepurchaseFacility1.0MillionMember_label_en-US" xlink:label="lab_abr_SingleFamilyRentalPropertiesRepurchaseFacility1.0MillionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Single Family Rental Properties Repurchase Facility 1.0 Million [Member]</link:label>
    <link:label id="lab_abr_SingleFamilyRentalPropertiesRepurchaseFacility1.0MillionMember_documentation_en-US" xlink:label="lab_abr_SingleFamilyRentalPropertiesRepurchaseFacility1.0MillionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to $1.0 million repurchase facility.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SingleFamilyRentalPropertiesRepurchaseFacility1.0MillionMember" xlink:href="abr-20240930.xsd#abr_SingleFamilyRentalPropertiesRepurchaseFacility1.0MillionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SingleFamilyRentalPropertiesRepurchaseFacility1.0MillionMember" xlink:to="lab_abr_SingleFamilyRentalPropertiesRepurchaseFacility1.0MillionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RepaymentsOfMortgageNotesPayableRealEstateOwned_ce6c654b-f11d-4eff-87c3-205014b4566c_negatedTerseLabel_en-US" xlink:label="lab_abr_RepaymentsOfMortgageNotesPayableRealEstateOwned" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Payoffs and paydowns of mortgage note payable</link:label>
    <link:label id="lab_abr_RepaymentsOfMortgageNotesPayableRealEstateOwned_2d5828b4-c775-492c-b863-f4cf6c5987d8_terseLabel_en-US" xlink:label="lab_abr_RepaymentsOfMortgageNotesPayableRealEstateOwned" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payoffs and paydowns of mortgage note payable</link:label>
    <link:label id="lab_abr_RepaymentsOfMortgageNotesPayableRealEstateOwned_label_en-US" xlink:label="lab_abr_RepaymentsOfMortgageNotesPayableRealEstateOwned" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments Of Mortgage Notes Payable, Real Estate Owned</link:label>
    <link:label id="lab_abr_RepaymentsOfMortgageNotesPayableRealEstateOwned_documentation_en-US" xlink:label="lab_abr_RepaymentsOfMortgageNotesPayableRealEstateOwned" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Repayments Of Mortgage Notes Payable, Real Estate Owned</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RepaymentsOfMortgageNotesPayableRealEstateOwned" xlink:href="abr-20240930.xsd#abr_RepaymentsOfMortgageNotesPayableRealEstateOwned"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RepaymentsOfMortgageNotesPayableRealEstateOwned" xlink:to="lab_abr_RepaymentsOfMortgageNotesPayableRealEstateOwned" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CityAreaCode_a2b014e9-7c49-40f6-814d-a067e7451d21_terseLabel_en-US" xlink:label="lab_dei_CityAreaCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">City Area Code</link:label>
    <link:label id="lab_dei_CityAreaCode_label_en-US" xlink:label="lab_dei_CityAreaCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">City Area Code</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CityAreaCode"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CityAreaCode" xlink:to="lab_dei_CityAreaCode" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_WarehouseRepurchaseFacilityMember_d3a26917-3e3f-4d56-9938-a6b34c4bc0a5_terseLabel_en-US" xlink:label="lab_abr_WarehouseRepurchaseFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Repurchase facility - securities</link:label>
    <link:label id="lab_abr_WarehouseRepurchaseFacilityMember_label_en-US" xlink:label="lab_abr_WarehouseRepurchaseFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warehouse Repurchase Facility [Member]</link:label>
    <link:label id="lab_abr_WarehouseRepurchaseFacilityMember_documentation_en-US" xlink:label="lab_abr_WarehouseRepurchaseFacilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to repurchase facility.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_WarehouseRepurchaseFacilityMember" xlink:href="abr-20240930.xsd#abr_WarehouseRepurchaseFacilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_WarehouseRepurchaseFacilityMember" xlink:to="lab_abr_WarehouseRepurchaseFacilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableBasisSpreadOnVariableRate_1876ee11-de3b-413f-9ff7-0a10a952b3e6_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableBasisSpreadOnVariableRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing receivable, basis spread on variable rate</link:label>
    <link:label id="lab_abr_FinancingReceivableBasisSpreadOnVariableRate_label_en-US" xlink:label="lab_abr_FinancingReceivableBasisSpreadOnVariableRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Basis Spread On Variable Rate</link:label>
    <link:label id="lab_abr_FinancingReceivableBasisSpreadOnVariableRate_documentation_en-US" xlink:label="lab_abr_FinancingReceivableBasisSpreadOnVariableRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Basis Spread On Variable Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableBasisSpreadOnVariableRate" xlink:href="abr-20240930.xsd#abr_FinancingReceivableBasisSpreadOnVariableRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableBasisSpreadOnVariableRate" xlink:to="lab_abr_FinancingReceivableBasisSpreadOnVariableRate" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_OfficeBuildingMember_18c0f6f4-9a9a-4a3d-94e8-088a8dcc4ba6_terseLabel_en-US" xlink:label="lab_srt_OfficeBuildingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Office</link:label>
    <link:label id="lab_srt_OfficeBuildingMember_label_en-US" xlink:label="lab_srt_OfficeBuildingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Office Building [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OfficeBuildingMember" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_OfficeBuildingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_OfficeBuildingMember" xlink:to="lab_srt_OfficeBuildingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_InsiderTrdPoliciesProcNotAdoptedTextBlock_terseLabel_en-US" xlink:label="lab_ecd_InsiderTrdPoliciesProcNotAdoptedTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Insider Trading Policies and Procedures Not Adopted</link:label>
    <link:label id="lab_ecd_InsiderTrdPoliciesProcNotAdoptedTextBlock_label_en-US" xlink:label="lab_ecd_InsiderTrdPoliciesProcNotAdoptedTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Insider Trading Policies and Procedures Not Adopted [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_InsiderTrdPoliciesProcNotAdoptedTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_InsiderTrdPoliciesProcNotAdoptedTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_InsiderTrdPoliciesProcNotAdoptedTextBlock" xlink:to="lab_ecd_InsiderTrdPoliciesProcNotAdoptedTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_DebtInstrumentNumberOfExtensionOptions_807ae0a4-0a6a-4eb8-990a-4bd1f2c90008_terseLabel_en-US" xlink:label="lab_abr_DebtInstrumentNumberOfExtensionOptions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of extension options</link:label>
    <link:label id="lab_abr_DebtInstrumentNumberOfExtensionOptions_label_en-US" xlink:label="lab_abr_DebtInstrumentNumberOfExtensionOptions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Number of Extension Options</link:label>
    <link:label id="lab_abr_DebtInstrumentNumberOfExtensionOptions_documentation_en-US" xlink:label="lab_abr_DebtInstrumentNumberOfExtensionOptions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instrument, Number of Extension Options</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_DebtInstrumentNumberOfExtensionOptions" xlink:href="abr-20240930.xsd#abr_DebtInstrumentNumberOfExtensionOptions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_DebtInstrumentNumberOfExtensionOptions" xlink:to="lab_abr_DebtInstrumentNumberOfExtensionOptions" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockholdersEquityNoteAbstract_5b08552a-72d9-48f0-a8c4-5436b99f8cb6_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityNoteAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stockholders' Equity Note [Abstract]</link:label>
    <link:label id="lab_us-gaap_StockholdersEquityNoteAbstract_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityNoteAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stockholders' Equity Note [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityNoteAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityNoteAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityNoteAbstract" xlink:to="lab_us-gaap_StockholdersEquityNoteAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_AwardTwoMember_d12058f4-551e-40be-bbc2-9aedd79df8de_terseLabel_en-US" xlink:label="lab_abr_AwardTwoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Award Two</link:label>
    <link:label id="lab_abr_AwardTwoMember_label_en-US" xlink:label="lab_abr_AwardTwoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Award Two [Member]</link:label>
    <link:label id="lab_abr_AwardTwoMember_documentation_en-US" xlink:label="lab_abr_AwardTwoMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Award Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_AwardTwoMember" xlink:href="abr-20240930.xsd#abr_AwardTwoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_AwardTwoMember" xlink:to="lab_abr_AwardTwoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_OtherStatesMember_8eeb22a4-ba96-4c38-a49f-9349d9314771_terseLabel_en-US" xlink:label="lab_abr_OtherStatesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
    <link:label id="lab_abr_OtherStatesMember_label_en-US" xlink:label="lab_abr_OtherStatesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other States</link:label>
    <link:label id="lab_abr_OtherStatesMember_documentation_en-US" xlink:label="lab_abr_OtherStatesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for other states.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_OtherStatesMember" xlink:href="abr-20240930.xsd#abr_OtherStatesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_OtherStatesMember" xlink:to="lab_abr_OtherStatesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_stpr_GA_6b07a89a-d1ff-4ef4-b675-8cf069cd7e7b_terseLabel_en-US" xlink:label="lab_stpr_GA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Georgia</link:label>
    <link:label id="lab_stpr_GA_label_en-US" xlink:label="lab_stpr_GA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">GEORGIA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_stpr_GA" xlink:href="https://xbrl.sec.gov/stpr/2024/stpr-2024.xsd#stpr_GA"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_stpr_GA" xlink:to="lab_stpr_GA" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityThirteenLoansMember_9f643820-9520-44b8-8008-d5ce9ab6d054_terseLabel_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityThirteenLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief And Extended Maturity, Thirteen Loans</link:label>
    <link:label id="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityThirteenLoansMember_label_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityThirteenLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief And Extended Maturity, Thirteen Loans [Member]</link:label>
    <link:label id="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityThirteenLoansMember_documentation_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityThirteenLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief And Extended Maturity, Thirteen Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_TemporaryInterestRateReliefAndExtendedMaturityThirteenLoansMember" xlink:href="abr-20240930.xsd#abr_TemporaryInterestRateReliefAndExtendedMaturityThirteenLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_TemporaryInterestRateReliefAndExtendedMaturityThirteenLoansMember" xlink:to="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityThirteenLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProceedsFromBankDebt_d4060e96-5114-4721-8ffa-756bce9a22bd_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromBankDebt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from credit and repurchase facilities</link:label>
    <link:label id="lab_us-gaap_ProceedsFromBankDebt_label_en-US" xlink:label="lab_us-gaap_ProceedsFromBankDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Bank Debt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromBankDebt" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromBankDebt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromBankDebt" xlink:to="lab_us-gaap_ProceedsFromBankDebt" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PreferredStockMember_3b85d4d9-cf9c-4ca0-8bc5-3428047edf0f_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred Stock</link:label>
    <link:label id="lab_us-gaap_PreferredStockMember_label_en-US" xlink:label="lab_us-gaap_PreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockMember" xlink:to="lab_us-gaap_PreferredStockMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_c93c175d-219a-444c-8ffe-6d5516655815_totalLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Charge-offs, Total</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Writeoff</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff" xlink:to="lab_us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_48322faf-4f3e-4072-b155-37109f3cd105_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Repurchase of common stock</link:label>
    <link:label id="lab_us-gaap_PaymentsForRepurchaseOfCommonStock_label_en-US" xlink:label="lab_us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments for Repurchase of Common Stock</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:to="lab_us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FederalNationalMortgageAssociationCertificatesAndObligationsFNMAMember_d20f02b6-6ad2-4fc7-9a37-8c255ec4694c_terseLabel_en-US" xlink:label="lab_us-gaap_FederalNationalMortgageAssociationCertificatesAndObligationsFNMAMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fannie Mae Mortgage</link:label>
    <link:label id="lab_us-gaap_FederalNationalMortgageAssociationCertificatesAndObligationsFNMAMember_label_en-US" xlink:label="lab_us-gaap_FederalNationalMortgageAssociationCertificatesAndObligationsFNMAMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Federal National Mortgage Association Certificates and Obligations (FNMA) [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FederalNationalMortgageAssociationCertificatesAndObligationsFNMAMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FederalNationalMortgageAssociationCertificatesAndObligationsFNMAMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FederalNationalMortgageAssociationCertificatesAndObligationsFNMAMember" xlink:to="lab_us-gaap_FederalNationalMortgageAssociationCertificatesAndObligationsFNMAMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_910d4857-0c29-4680-949e-5bceb58c60f8_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Segment Reporting Information, by Segment [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Segment Reporting Information, by Segment [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:to="lab_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock_b8e6a0b5-6700-43e1-a279-4b9961a3c62f_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Measurement Inputs and Valuation Techniques</link:label>
    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock" xlink:to="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NetLossOfSwapsGainWithLoans_32447f48-aba1-4011-94c8-619e67f3415b_terseLabel_en-US" xlink:label="lab_abr_NetLossOfSwapsGainWithLoans" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net loss of swaps gain with loans</link:label>
    <link:label id="lab_abr_NetLossOfSwapsGainWithLoans_label_en-US" xlink:label="lab_abr_NetLossOfSwapsGainWithLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Loss of Swaps Gain With Loans</link:label>
    <link:label id="lab_abr_NetLossOfSwapsGainWithLoans_documentation_en-US" xlink:label="lab_abr_NetLossOfSwapsGainWithLoans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of net loss of swaps gain with loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NetLossOfSwapsGainWithLoans" xlink:href="abr-20240930.xsd#abr_NetLossOfSwapsGainWithLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NetLossOfSwapsGainWithLoans" xlink:to="lab_abr_NetLossOfSwapsGainWithLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SubsequentEventTypeAxis_b78afb4a-1672-44d0-8059-9a7cd220e9db_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsequent Event Type [Axis]</link:label>
    <link:label id="lab_us-gaap_SubsequentEventTypeAxis_label_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Event Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsequentEventTypeAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsequentEventTypeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsequentEventTypeAxis" xlink:to="lab_us-gaap_SubsequentEventTypeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LoansNetCarryingValue_e824f090-b981-42f4-883e-541eefe78f99_terseLabel_en-US" xlink:label="lab_abr_LoansNetCarryingValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net loans carrying value</link:label>
    <link:label id="lab_abr_LoansNetCarryingValue_label_en-US" xlink:label="lab_abr_LoansNetCarryingValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Net Carrying Value</link:label>
    <link:label id="lab_abr_LoansNetCarryingValue_documentation_en-US" xlink:label="lab_abr_LoansNetCarryingValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of loans, net carrying value.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LoansNetCarryingValue" xlink:href="abr-20240930.xsd#abr_LoansNetCarryingValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LoansNetCarryingValue" xlink:to="lab_abr_LoansNetCarryingValue" xlink:type="arc" order="1"/>
    <link:label id="lab_stpr_FL_2bd44c4e-394b-4ef7-9219-c6f7459b43cb_terseLabel_en-US" xlink:label="lab_stpr_FL" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Florida</link:label>
    <link:label id="lab_stpr_FL_label_en-US" xlink:label="lab_stpr_FL" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">FLORIDA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_stpr_FL" xlink:href="https://xbrl.sec.gov/stpr/2024/stpr-2024.xsd#stpr_FL"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_stpr_FL" xlink:to="lab_stpr_FL" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MaturityDateOfMarch2030Member_ce5d8727-b264-45aa-9118-c5511fcd4240_terseLabel_en-US" xlink:label="lab_abr_MaturityDateOfMarch2030Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity date of March 2030</link:label>
    <link:label id="lab_abr_MaturityDateOfMarch2030Member_label_en-US" xlink:label="lab_abr_MaturityDateOfMarch2030Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity date of March 2030</link:label>
    <link:label id="lab_abr_MaturityDateOfMarch2030Member_documentation_en-US" xlink:label="lab_abr_MaturityDateOfMarch2030Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents loans receivable with the maturity date as March 2030.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MaturityDateOfMarch2030Member" xlink:href="abr-20240930.xsd#abr_MaturityDateOfMarch2030Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MaturityDateOfMarch2030Member" xlink:to="lab_abr_MaturityDateOfMarch2030Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EarningsPerShareAbstract_a40a3c7b-dd1a-4291-bce8-1869669777fb_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Earnings per common share</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareAbstract_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareAbstract" xlink:to="lab_us-gaap_EarningsPerShareAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RelatedPartyPercentageInManagement_4e4f6e39-5b87-4afc-be20-f4611989cade_terseLabel_en-US" xlink:label="lab_abr_RelatedPartyPercentageInManagement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related party, percentage of management</link:label>
    <link:label id="lab_abr_RelatedPartyPercentageInManagement_label_en-US" xlink:label="lab_abr_RelatedPartyPercentageInManagement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party, Percentage of Management</link:label>
    <link:label id="lab_abr_RelatedPartyPercentageInManagement_documentation_en-US" xlink:label="lab_abr_RelatedPartyPercentageInManagement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represent information pertaining to related party, percentage of management.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RelatedPartyPercentageInManagement" xlink:href="abr-20240930.xsd#abr_RelatedPartyPercentageInManagement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RelatedPartyPercentageInManagement" xlink:to="lab_abr_RelatedPartyPercentageInManagement" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_bf8dc1ba-df23-46a7-a551-4288fe59a3d4_terseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retained earnings</link:label>
    <link:label id="lab_us-gaap_RetainedEarningsAccumulatedDeficit_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained Earnings (Accumulated Deficit)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:to="lab_us-gaap_RetainedEarningsAccumulatedDeficit" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_OriginatedMortgageServicingRightsRate_e4daa1b4-6d9b-4ebc-b20c-562ae7ab8877_terseLabel_en-US" xlink:label="lab_abr_OriginatedMortgageServicingRightsRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">MSR rate (MSR income as a % of loan commitments)</link:label>
    <link:label id="lab_abr_OriginatedMortgageServicingRightsRate_label_en-US" xlink:label="lab_abr_OriginatedMortgageServicingRightsRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Originated Mortgage Servicing Rights Rate</link:label>
    <link:label id="lab_abr_OriginatedMortgageServicingRightsRate_documentation_en-US" xlink:label="lab_abr_OriginatedMortgageServicingRightsRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Originated mortgage servicing rights rate, MSR income as a percent of loan commitments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_OriginatedMortgageServicingRightsRate" xlink:href="abr-20240930.xsd#abr_OriginatedMortgageServicingRightsRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_OriginatedMortgageServicingRightsRate" xlink:to="lab_abr_OriginatedMortgageServicingRightsRate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_dc729d77-1952-4db3-b165-66d6d3c03b61_terseLabel_en-US" xlink:label="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of shares repurchased (in shares)</link:label>
    <link:label id="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares_label_en-US" xlink:label="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Repurchased and Retired During Period, Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares" xlink:to="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodShares" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ClassOfStockDomain_63ea7634-7c30-47a2-9be2-e1c2a198efe9_terseLabel_en-US" xlink:label="lab_us-gaap_ClassOfStockDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of Stock [Domain]</link:label>
    <link:label id="lab_us-gaap_ClassOfStockDomain_label_en-US" xlink:label="lab_us-gaap_ClassOfStockDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Stock [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfStockDomain" xlink:to="lab_us-gaap_ClassOfStockDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_PercentageOfUnpaidPrincipalBalance_cef7e86b-4ede-46fd-95ba-b54910d7a568_verboseLabel_en-US" xlink:label="lab_abr_PercentageOfUnpaidPrincipalBalance" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Product Concentrations, % of Total</link:label>
    <link:label id="lab_abr_PercentageOfUnpaidPrincipalBalance_label_en-US" xlink:label="lab_abr_PercentageOfUnpaidPrincipalBalance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of Unpaid Principal Balance</link:label>
    <link:label id="lab_abr_PercentageOfUnpaidPrincipalBalance_documentation_en-US" xlink:label="lab_abr_PercentageOfUnpaidPrincipalBalance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of unpaid principal balance to total unpaid principal balance as of the balance sheet date.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_PercentageOfUnpaidPrincipalBalance" xlink:href="abr-20240930.xsd#abr_PercentageOfUnpaidPrincipalBalance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_PercentageOfUnpaidPrincipalBalance" xlink:to="lab_abr_PercentageOfUnpaidPrincipalBalance" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RelatedPartyTransactionLineItems_13ba4b77-0cc2-4807-80b1-5302a2a7e3f8_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Agreements and Transactions with Related Parties</link:label>
    <link:label id="lab_us-gaap_RelatedPartyTransactionLineItems_label_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transaction [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionLineItems" xlink:to="lab_us-gaap_RelatedPartyTransactionLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_WestShoreCafeMember_414a118e-8353-4314-a00c-57901fcdf9cc_terseLabel_en-US" xlink:label="lab_abr_WestShoreCafeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">West Shore Caf&#233;</link:label>
    <link:label id="lab_abr_WestShoreCafeMember_label_en-US" xlink:label="lab_abr_WestShoreCafeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">West Shore Cafe [Member]</link:label>
    <link:label id="lab_abr_WestShoreCafeMember_documentation_en-US" xlink:label="lab_abr_WestShoreCafeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the investment in West Shore Cafe, an equity affiliate of the entity accounted under the equity method of accounting.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_WestShoreCafeMember" xlink:href="abr-20240930.xsd#abr_WestShoreCafeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_WestShoreCafeMember" xlink:to="lab_abr_WestShoreCafeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_TheParkAtViaTerrossaMember_9e7ef26c-99ca-4bfe-a00e-ea909bad38b2_terseLabel_en-US" xlink:label="lab_abr_TheParkAtViaTerrossaMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">The Park at Via Terrossa</link:label>
    <link:label id="lab_abr_TheParkAtViaTerrossaMember_label_en-US" xlink:label="lab_abr_TheParkAtViaTerrossaMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">The Park at Via Terrossa [Member]</link:label>
    <link:label id="lab_abr_TheParkAtViaTerrossaMember_documentation_en-US" xlink:label="lab_abr_TheParkAtViaTerrossaMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The Park at Via Terrossa</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_TheParkAtViaTerrossaMember" xlink:href="abr-20240930.xsd#abr_TheParkAtViaTerrossaMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_TheParkAtViaTerrossaMember" xlink:to="lab_abr_TheParkAtViaTerrossaMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfDebtTableTextBlock_37f4bda4-d8da-4bc7-b991-a3a621bb8292_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDebtTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Borrowings</link:label>
    <link:label id="lab_us-gaap_ScheduleOfDebtTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDebtTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Debt [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDebtTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfDebtTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfDebtTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfDebtTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LoansAndInvestmentsPortfolioMember_4fec1353-9648-402f-88f7-c13c461d9691_terseLabel_en-US" xlink:label="lab_abr_LoansAndInvestmentsPortfolioMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and investments portfolio</link:label>
    <link:label id="lab_abr_LoansAndInvestmentsPortfolioMember_label_en-US" xlink:label="lab_abr_LoansAndInvestmentsPortfolioMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans And Investments Portfolio [Member]</link:label>
    <link:label id="lab_abr_LoansAndInvestmentsPortfolioMember_documentation_en-US" xlink:label="lab_abr_LoansAndInvestmentsPortfolioMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for loans and investment portfolio, when it serves as a benchmark in a concentration of risk calculation, representing the sum of all reported loans and investment portfolio as of the balance sheet date.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LoansAndInvestmentsPortfolioMember" xlink:href="abr-20240930.xsd#abr_LoansAndInvestmentsPortfolioMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LoansAndInvestmentsPortfolioMember" xlink:to="lab_abr_LoansAndInvestmentsPortfolioMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_633e0634-ccc7-4e8c-8a79-204940cd050b_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2026</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-Term Debt, Maturity, Year Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_TrdArrSecuritiesAggAvailAmt_terseLabel_en-US" xlink:label="lab_ecd_TrdArrSecuritiesAggAvailAmt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate Available</link:label>
    <link:label id="lab_ecd_TrdArrSecuritiesAggAvailAmt_label_en-US" xlink:label="lab_ecd_TrdArrSecuritiesAggAvailAmt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trading Arrangement, Securities Aggregate Available Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_TrdArrSecuritiesAggAvailAmt" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_TrdArrSecuritiesAggAvailAmt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_TrdArrSecuritiesAggAvailAmt" xlink:to="lab_ecd_TrdArrSecuritiesAggAvailAmt" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_EqtyAwrdsAdjsMember_terseLabel_en-US" xlink:label="lab_ecd_EqtyAwrdsAdjsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Awards Adjustments</link:label>
    <link:label id="lab_ecd_EqtyAwrdsAdjsMember_label_en-US" xlink:label="lab_ecd_EqtyAwrdsAdjsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Awards Adjustments [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_EqtyAwrdsAdjsMember" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_EqtyAwrdsAdjsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_EqtyAwrdsAdjsMember" xlink:to="lab_ecd_EqtyAwrdsAdjsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LoansCollateralizedByLandDevelopmentProjectMember_742b1462-1810-44bc-86cb-8d6dc47ca87c_terseLabel_en-US" xlink:label="lab_abr_LoansCollateralizedByLandDevelopmentProjectMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans collateralized by a land development project</link:label>
    <link:label id="lab_abr_LoansCollateralizedByLandDevelopmentProjectMember_label_en-US" xlink:label="lab_abr_LoansCollateralizedByLandDevelopmentProjectMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Collateralized By Land Development Project [Member]</link:label>
    <link:label id="lab_abr_LoansCollateralizedByLandDevelopmentProjectMember_documentation_en-US" xlink:label="lab_abr_LoansCollateralizedByLandDevelopmentProjectMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to loans collateralized by a land development project.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LoansCollateralizedByLandDevelopmentProjectMember" xlink:href="abr-20240930.xsd#abr_LoansCollateralizedByLandDevelopmentProjectMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LoansCollateralizedByLandDevelopmentProjectMember" xlink:to="lab_abr_LoansCollateralizedByLandDevelopmentProjectMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_PurchasedFinancialAssetsWithCreditDeteriorationTableTextBlock_daa30978-0635-4f95-9b9a-1778d2cb3aa7_terseLabel_en-US" xlink:label="lab_abr_PurchasedFinancialAssetsWithCreditDeteriorationTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Specific Loans Considered Impaired by Asset Class</link:label>
    <link:label id="lab_abr_PurchasedFinancialAssetsWithCreditDeteriorationTableTextBlock_label_en-US" xlink:label="lab_abr_PurchasedFinancialAssetsWithCreditDeteriorationTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Purchased Financial Assets with Credit Deterioration [Table Text Block]</link:label>
    <link:label id="lab_abr_PurchasedFinancialAssetsWithCreditDeteriorationTableTextBlock_documentation_en-US" xlink:label="lab_abr_PurchasedFinancialAssetsWithCreditDeteriorationTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Purchased Financial Assets with Credit Deterioration</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_PurchasedFinancialAssetsWithCreditDeteriorationTableTextBlock" xlink:href="abr-20240930.xsd#abr_PurchasedFinancialAssetsWithCreditDeteriorationTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_PurchasedFinancialAssetsWithCreditDeteriorationTableTextBlock" xlink:to="lab_abr_PurchasedFinancialAssetsWithCreditDeteriorationTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_GinkgoInvestmentCompanyLlcMember_4598b839-5bd5-4817-8499-204475e4425f_terseLabel_en-US" xlink:label="lab_abr_GinkgoInvestmentCompanyLlcMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ginkgo Investment Company LLC</link:label>
    <link:label id="lab_abr_GinkgoInvestmentCompanyLlcMember_label_en-US" xlink:label="lab_abr_GinkgoInvestmentCompanyLlcMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ginkgo Investment Company LLC</link:label>
    <link:label id="lab_abr_GinkgoInvestmentCompanyLlcMember_documentation_en-US" xlink:label="lab_abr_GinkgoInvestmentCompanyLlcMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Information pertaining to Ginkgo Investment Company LLC.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_GinkgoInvestmentCompanyLlcMember" xlink:href="abr-20240930.xsd#abr_GinkgoInvestmentCompanyLlcMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_GinkgoInvestmentCompanyLlcMember" xlink:to="lab_abr_GinkgoInvestmentCompanyLlcMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AwardUndrlygSecuritiesAmt_terseLabel_en-US" xlink:label="lab_ecd_AwardUndrlygSecuritiesAmt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Underlying Securities</link:label>
    <link:label id="lab_ecd_AwardUndrlygSecuritiesAmt_label_en-US" xlink:label="lab_ecd_AwardUndrlygSecuritiesAmt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Award Underlying Securities Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AwardUndrlygSecuritiesAmt" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AwardUndrlygSecuritiesAmt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_AwardUndrlygSecuritiesAmt" xlink:to="lab_ecd_AwardUndrlygSecuritiesAmt" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PerformanceSharesMember_d8b5c516-ad64-4aed-9a4b-2011c1f8e47f_terseLabel_en-US" xlink:label="lab_us-gaap_PerformanceSharesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Performance-based restricted stock</link:label>
    <link:label id="lab_us-gaap_PerformanceSharesMember_label_en-US" xlink:label="lab_us-gaap_PerformanceSharesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Performance Shares [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PerformanceSharesMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PerformanceSharesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PerformanceSharesMember" xlink:to="lab_us-gaap_PerformanceSharesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_542b6ee4-0e3e-4ea3-9842-d779703be6fc_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Securities Held-to-Maturity</link:label>
    <link:label id="lab_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock_label_en-US" xlink:label="lab_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:to="lab_us-gaap_InvestmentsInDebtAndMarketableEquitySecuritiesAndCertainTradingAssetsDisclosureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ReceivablesHeldForSaleAbstract_3b7a409b-88fd-4216-a6c2-0605dd22c76f_terseLabel_en-US" xlink:label="lab_us-gaap_ReceivablesHeldForSaleAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Receivables Held-for-sale [Abstract]</link:label>
    <link:label id="lab_us-gaap_ReceivablesHeldForSaleAbstract_label_en-US" xlink:label="lab_us-gaap_ReceivablesHeldForSaleAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Receivable, Held-for-Sale [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivablesHeldForSaleAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ReceivablesHeldForSaleAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ReceivablesHeldForSaleAbstract" xlink:to="lab_us-gaap_ReceivablesHeldForSaleAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LoansReceivableBasisSpreadOnVariableRate_b38a2710-806d-4dfb-8776-bc70a482bb49_terseLabel_en-US" xlink:label="lab_us-gaap_LoansReceivableBasisSpreadOnVariableRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Base spread, percentage</link:label>
    <link:label id="lab_us-gaap_LoansReceivableBasisSpreadOnVariableRate_label_en-US" xlink:label="lab_us-gaap_LoansReceivableBasisSpreadOnVariableRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Receivable, Basis Spread on Variable Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoansReceivableBasisSpreadOnVariableRate" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LoansReceivableBasisSpreadOnVariableRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansReceivableBasisSpreadOnVariableRate" xlink:to="lab_us-gaap_LoansReceivableBasisSpreadOnVariableRate" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_AmendmentFlag_87df541d-c9cc-463c-975d-f3a1d65f3e17_terseLabel_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:label id="lab_dei_AmendmentFlag_label_en-US" xlink:label="lab_dei_AmendmentFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amendment Flag</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_AmendmentFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_AmendmentFlag" xlink:to="lab_dei_AmendmentFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CreditFacility150MillionMember_45d80255-798d-45d6-aa0c-a2aa966a8e18_terseLabel_en-US" xlink:label="lab_abr_CreditFacility150MillionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$150M credit facility</link:label>
    <link:label id="lab_abr_CreditFacility150MillionMember_label_en-US" xlink:label="lab_abr_CreditFacility150MillionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility 150 Million [Member]</link:label>
    <link:label id="lab_abr_CreditFacility150MillionMember_documentation_en-US" xlink:label="lab_abr_CreditFacility150MillionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to the $150 million credit facility.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CreditFacility150MillionMember" xlink:href="abr-20240930.xsd#abr_CreditFacility150MillionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CreditFacility150MillionMember" xlink:to="lab_abr_CreditFacility150MillionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SeriesDCumulativeRedeemablePreferredStock6.375PercentMember_867a2769-a06e-45be-b476-f1cc0482d5e7_verboseLabel_en-US" xlink:label="lab_abr_SeriesDCumulativeRedeemablePreferredStock6.375PercentMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Series D preferred stock</link:label>
    <link:label id="lab_abr_SeriesDCumulativeRedeemablePreferredStock6.375PercentMember_label_en-US" xlink:label="lab_abr_SeriesDCumulativeRedeemablePreferredStock6.375PercentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series D Cumulative Redeemable Preferred Stock 6.375 Percent [Member]</link:label>
    <link:label id="lab_abr_SeriesDCumulativeRedeemablePreferredStock6.375PercentMember_documentation_en-US" xlink:label="lab_abr_SeriesDCumulativeRedeemablePreferredStock6.375PercentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member represents the information pertaining to the 6.375 percent series D cumulative redeemable preferred stock.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SeriesDCumulativeRedeemablePreferredStock6.375PercentMember" xlink:href="abr-20240930.xsd#abr_SeriesDCumulativeRedeemablePreferredStock6.375PercentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SeriesDCumulativeRedeemablePreferredStock6.375PercentMember" xlink:to="lab_abr_SeriesDCumulativeRedeemablePreferredStock6.375PercentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CarryingReportedAmountFairValueDisclosureMember_a975777c-0357-4403-813c-2ceb76de92d9_terseLabel_en-US" xlink:label="lab_us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Carrying Value</link:label>
    <link:label id="lab_us-gaap_CarryingReportedAmountFairValueDisclosureMember_label_en-US" xlink:label="lab_us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reported Value Measurement [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CarryingReportedAmountFairValueDisclosureMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:to="lab_us-gaap_CarryingReportedAmountFairValueDisclosureMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SeriesFCumulativeRedeemablePreferredStock6.25PercentMember_00fece70-e534-4f59-98a6-eeefd5c4c9b9_verboseLabel_en-US" xlink:label="lab_abr_SeriesFCumulativeRedeemablePreferredStock6.25PercentMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Series F preferred stock</link:label>
    <link:label id="lab_abr_SeriesFCumulativeRedeemablePreferredStock6.25PercentMember_b4a6dbec-be8c-4e56-bc30-2fc711d95bcb_terseLabel_en-US" xlink:label="lab_abr_SeriesFCumulativeRedeemablePreferredStock6.25PercentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Series F</link:label>
    <link:label id="lab_abr_SeriesFCumulativeRedeemablePreferredStock6.25PercentMember_label_en-US" xlink:label="lab_abr_SeriesFCumulativeRedeemablePreferredStock6.25PercentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series F Cumulative Redeemable Preferred Stock 6.25 Percent [Member]</link:label>
    <link:label id="lab_abr_SeriesFCumulativeRedeemablePreferredStock6.25PercentMember_documentation_en-US" xlink:label="lab_abr_SeriesFCumulativeRedeemablePreferredStock6.25PercentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member represents the information pertaining to the 6.255 percent series D cumulative redeemable preferred stock.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SeriesFCumulativeRedeemablePreferredStock6.25PercentMember" xlink:href="abr-20240930.xsd#abr_SeriesFCumulativeRedeemablePreferredStock6.25PercentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SeriesFCumulativeRedeemablePreferredStock6.25PercentMember" xlink:to="lab_abr_SeriesFCumulativeRedeemablePreferredStock6.25PercentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ServicingAssetAtAmortizedValueAmortization1_2e8334fc-c355-435c-a207-77e67aa2d16e_negatedLabel_en-US" xlink:label="lab_us-gaap_ServicingAssetAtAmortizedValueAmortization1" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Amortization</link:label>
    <link:label id="lab_us-gaap_ServicingAssetAtAmortizedValueAmortization1_label_en-US" xlink:label="lab_us-gaap_ServicingAssetAtAmortizedValueAmortization1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Servicing Asset at Amortized Cost, Amortization</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ServicingAssetAtAmortizedValueAmortization1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ServicingAssetAtAmortizedValueAmortization1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ServicingAssetAtAmortizedValueAmortization1" xlink:to="lab_us-gaap_ServicingAssetAtAmortizedValueAmortization1" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockAppreciationRightsSARSMember_terseLabel_en-US" xlink:label="lab_us-gaap_StockAppreciationRightsSARSMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock Appreciation Rights (SARs)</link:label>
    <link:label id="lab_us-gaap_StockAppreciationRightsSARSMember_label_en-US" xlink:label="lab_us-gaap_StockAppreciationRightsSARSMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Appreciation Rights (SARs) [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockAppreciationRightsSARSMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockAppreciationRightsSARSMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockAppreciationRightsSARSMember" xlink:to="lab_us-gaap_StockAppreciationRightsSARSMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MaturityDateDecember2025Member_d4846979-1982-4bed-ad83-ed5e85394724_terseLabel_en-US" xlink:label="lab_abr_MaturityDateDecember2025Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity Date December 2025</link:label>
    <link:label id="lab_abr_MaturityDateDecember2025Member_label_en-US" xlink:label="lab_abr_MaturityDateDecember2025Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity Date December 2025 [Member]</link:label>
    <link:label id="lab_abr_MaturityDateDecember2025Member_documentation_en-US" xlink:label="lab_abr_MaturityDateDecember2025Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maturity Date December 2025</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MaturityDateDecember2025Member" xlink:href="abr-20240930.xsd#abr_MaturityDateDecember2025Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MaturityDateDecember2025Member" xlink:to="lab_abr_MaturityDateDecember2025Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_MortgageServicingRightsMSRImpairmentRecovery_f973495f-0b9e-46b6-b113-9f3562b2d8de_negatedLabel_en-US" xlink:label="lab_us-gaap_MortgageServicingRightsMSRImpairmentRecovery" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Fair Value of Servicing Rights</link:label>
    <link:label id="lab_us-gaap_MortgageServicingRightsMSRImpairmentRecovery_label_en-US" xlink:label="lab_us-gaap_MortgageServicingRightsMSRImpairmentRecovery" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Servicing Rights (MSR) Impairment (Recovery)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MortgageServicingRightsMSRImpairmentRecovery" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MortgageServicingRightsMSRImpairmentRecovery"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MortgageServicingRightsMSRImpairmentRecovery" xlink:to="lab_us-gaap_MortgageServicingRightsMSRImpairmentRecovery" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_HeldToMaturitySecuritiesRetainedPercentage_e07b246e-3319-4bc6-9995-11defa6bc7f3_terseLabel_en-US" xlink:label="lab_abr_HeldToMaturitySecuritiesRetainedPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bonds retained percentage</link:label>
    <link:label id="lab_abr_HeldToMaturitySecuritiesRetainedPercentage_label_en-US" xlink:label="lab_abr_HeldToMaturitySecuritiesRetainedPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held To Maturity Securities, Retained, Percentage</link:label>
    <link:label id="lab_abr_HeldToMaturitySecuritiesRetainedPercentage_documentation_en-US" xlink:label="lab_abr_HeldToMaturitySecuritiesRetainedPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The retained percentage of held-to-maturity securities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_HeldToMaturitySecuritiesRetainedPercentage" xlink:href="abr-20240930.xsd#abr_HeldToMaturitySecuritiesRetainedPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_HeldToMaturitySecuritiesRetainedPercentage" xlink:to="lab_abr_HeldToMaturitySecuritiesRetainedPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ServicingAssetsAtAmortizedValueLineItems_aaa37220-fa7e-4ded-823e-0cf167137ec6_terseLabel_en-US" xlink:label="lab_us-gaap_ServicingAssetsAtAmortizedValueLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capitalized Mortgage Servicing Rights</link:label>
    <link:label id="lab_us-gaap_ServicingAssetsAtAmortizedValueLineItems_label_en-US" xlink:label="lab_us-gaap_ServicingAssetsAtAmortizedValueLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Servicing Asset at Amortized Cost [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ServicingAssetsAtAmortizedValueLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ServicingAssetsAtAmortizedValueLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ServicingAssetsAtAmortizedValueLineItems" xlink:to="lab_us-gaap_ServicingAssetsAtAmortizedValueLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_AdvancesOnPrincipalAndInterestPayments_357aa623-4b6d-487f-bef9-7585dc9adeee_terseLabel_en-US" xlink:label="lab_abr_AdvancesOnPrincipalAndInterestPayments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outstanding advances under the Fannie Mae DUS program</link:label>
    <link:label id="lab_abr_AdvancesOnPrincipalAndInterestPayments_label_en-US" xlink:label="lab_abr_AdvancesOnPrincipalAndInterestPayments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Advances on Principal and Interest Payments</link:label>
    <link:label id="lab_abr_AdvancesOnPrincipalAndInterestPayments_documentation_en-US" xlink:label="lab_abr_AdvancesOnPrincipalAndInterestPayments" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Carrying amount of outstanding advanced principal and interest payments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_AdvancesOnPrincipalAndInterestPayments" xlink:href="abr-20240930.xsd#abr_AdvancesOnPrincipalAndInterestPayments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_AdvancesOnPrincipalAndInterestPayments" xlink:to="lab_abr_AdvancesOnPrincipalAndInterestPayments" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SubstandardMember_4f5c1b5e-7264-4203-b834-f8bb8cee40d4_terseLabel_en-US" xlink:label="lab_us-gaap_SubstandardMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Substandard</link:label>
    <link:label id="lab_us-gaap_SubstandardMember_label_en-US" xlink:label="lab_us-gaap_SubstandardMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Substandard [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubstandardMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubstandardMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubstandardMember" xlink:to="lab_us-gaap_SubstandardMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MortgageNotePayableRealEstateOwned_d91152f7-6708-46d7-89ad-d97290cd80db_terseLabel_en-US" xlink:label="lab_abr_MortgageNotePayableRealEstateOwned" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage notes payable &#8212; real estate owned</link:label>
    <link:label id="lab_abr_MortgageNotePayableRealEstateOwned_label_en-US" xlink:label="lab_abr_MortgageNotePayableRealEstateOwned" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Note Payable, Real Estate Owned</link:label>
    <link:label id="lab_abr_MortgageNotePayableRealEstateOwned_documentation_en-US" xlink:label="lab_abr_MortgageNotePayableRealEstateOwned" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage Note Payable, Real Estate Owned</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MortgageNotePayableRealEstateOwned" xlink:href="abr-20240930.xsd#abr_MortgageNotePayableRealEstateOwned"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MortgageNotePayableRealEstateOwned" xlink:to="lab_abr_MortgageNotePayableRealEstateOwned" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_84f31c5a-ef35-421f-8b5f-ae4d36eef705_terseLabel_en-US" xlink:label="lab_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Shares issued under equity offering (in shares)</link:label>
    <link:label id="lab_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction_label_en-US" xlink:label="lab_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale of Stock, Number of Shares Issued in Transaction</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:to="lab_us-gaap_SaleOfStockNumberOfSharesIssuedInTransaction" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DeferredFinanceCostsNet_cca5d981-2169-43a1-ae30-a7d50e011a3a_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredFinanceCostsNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred financing fees</link:label>
    <link:label id="lab_us-gaap_DeferredFinanceCostsNet_aa00c908-d01c-4a7a-bd4c-a1c88c451f97_verboseLabel_en-US" xlink:label="lab_us-gaap_DeferredFinanceCostsNet" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Unamortized Deferred Financing Fees</link:label>
    <link:label id="lab_us-gaap_DeferredFinanceCostsNet_label_en-US" xlink:label="lab_us-gaap_DeferredFinanceCostsNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Issuance Costs, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredFinanceCostsNet" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredFinanceCostsNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredFinanceCostsNet" xlink:to="lab_us-gaap_DeferredFinanceCostsNet" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtDisclosureTextBlock_20a23e32-7ed2-401b-9aa1-24743b46b81d_terseLabel_en-US" xlink:label="lab_us-gaap_DebtDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Obligations</link:label>
    <link:label id="lab_us-gaap_DebtDisclosureTextBlock_label_en-US" xlink:label="lab_us-gaap_DebtDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtDisclosureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtDisclosureTextBlock" xlink:to="lab_us-gaap_DebtDisclosureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_31ffd952-787f-4939-bba5-229f3506e78d_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Hierarchy and NAV [Domain]</link:label>
    <link:label id="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Hierarchy and NAV [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:to="lab_us-gaap_FairValueMeasurementsFairValueHierarchyDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss_a86ee4a7-3c4d-42df-a7e1-88f173051dd4_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued interest receivable related to loans</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Accrued Interest, before Allowance for Credit Loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss" xlink:to="lab_us-gaap_FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LossContingencyAccrualRollForward_9421b1a0-0fca-4d58-b0db-2fc093e69905_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingencyAccrualRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Roll forward of loss contingency accrual</link:label>
    <link:label id="lab_us-gaap_LossContingencyAccrualRollForward_label_en-US" xlink:label="lab_us-gaap_LossContingencyAccrualRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Contingency Accrual [Roll Forward]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyAccrualRollForward" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingencyAccrualRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingencyAccrualRollForward" xlink:to="lab_us-gaap_LossContingencyAccrualRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_RecoveryOfErrCompDisclosureLineItems_label_en-US" xlink:label="lab_ecd_RecoveryOfErrCompDisclosureLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Recovery of Erroneously Awarded Compensation Disclosure [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_RecoveryOfErrCompDisclosureLineItems" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_RecoveryOfErrCompDisclosureLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_RecoveryOfErrCompDisclosureLineItems" xlink:to="lab_ecd_RecoveryOfErrCompDisclosureLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_DerivativeSwapDefaultCredit_548cdaf8-f1d2-443c-8826-c477a511c815_terseLabel_en-US" xlink:label="lab_abr_DerivativeSwapDefaultCredit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative swap default credit</link:label>
    <link:label id="lab_abr_DerivativeSwapDefaultCredit_label_en-US" xlink:label="lab_abr_DerivativeSwapDefaultCredit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Swap Default Credit</link:label>
    <link:label id="lab_abr_DerivativeSwapDefaultCredit_documentation_en-US" xlink:label="lab_abr_DerivativeSwapDefaultCredit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Term of derivative swap credit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_DerivativeSwapDefaultCredit" xlink:href="abr-20240930.xsd#abr_DerivativeSwapDefaultCredit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_DerivativeSwapDefaultCredit" xlink:to="lab_abr_DerivativeSwapDefaultCredit" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtInstrumentFaceAmount_7015c4a2-6d86-439c-96c5-0b82ae922c63_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Debt face value issued to third parties</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentFaceAmount_ab8699f2-9117-4ad7-8439-c85d003be453_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt, Face Value</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentFaceAmount_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentFaceAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Face Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentFaceAmount" xlink:to="lab_us-gaap_DebtInstrumentFaceAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate_c903663f-c9f8-44a8-bdc0-38c61da4b31e_terseLabel_en-US" xlink:label="lab_us-gaap_ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discount rate, percentage</link:label>
    <link:label id="lab_us-gaap_ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate_label_en-US" xlink:label="lab_us-gaap_ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Servicing Assets and Servicing Liabilities at Fair Value, Assumptions Used to Estimate Fair Value, Discount Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate" xlink:to="lab_us-gaap_ServicingAssetsAndServicingLiabilitiesAtFairValueAssumptionsUsedToEstimateFairValueDiscountRate" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressPostalZipCode_d8cba428-8a66-4888-8e4a-ffb7f80e5c29_terseLabel_en-US" xlink:label="lab_dei_EntityAddressPostalZipCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address, Postal Zip Code</link:label>
    <link:label id="lab_dei_EntityAddressPostalZipCode_label_en-US" xlink:label="lab_dei_EntityAddressPostalZipCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Address, Postal Zip Code</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressPostalZipCode"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressPostalZipCode" xlink:to="lab_dei_EntityAddressPostalZipCode" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LimitedLiabilityCompany1Member_072274da-8315-49d4-ae57-8810d6e6a508_terseLabel_en-US" xlink:label="lab_abr_LimitedLiabilityCompany1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">LLC</link:label>
    <link:label id="lab_abr_LimitedLiabilityCompany1Member_label_en-US" xlink:label="lab_abr_LimitedLiabilityCompany1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Limited Liability Company 1 [Member]</link:label>
    <link:label id="lab_abr_LimitedLiabilityCompany1Member_documentation_en-US" xlink:label="lab_abr_LimitedLiabilityCompany1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to a limited liability company ("LLC") which purchased a retail property.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LimitedLiabilityCompany1Member" xlink:href="abr-20240930.xsd#abr_LimitedLiabilityCompany1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LimitedLiabilityCompany1Member" xlink:to="lab_abr_LimitedLiabilityCompany1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_b77b7c64-a7c6-46fb-9ffb-1fabe607f0f0_terseLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_e08b7146-830e-4a0f-8994-898c5fc0b409_periodStartLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents at beginning of period</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_6a60b5a1-3412-4602-a810-5b1b58927497_periodEndLabel_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Cash and cash equivalents at end of period</link:label>
    <link:label id="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue_label_en-US" xlink:label="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash and Cash Equivalents, at Carrying Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="lab_us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LoanCommitmentVolume_04636c83-6ba3-412b-87df-14d0005c0196_terseLabel_en-US" xlink:label="lab_abr_LoanCommitmentVolume" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total Loan Commitment Volume</link:label>
    <link:label id="lab_abr_LoanCommitmentVolume_label_en-US" xlink:label="lab_abr_LoanCommitmentVolume" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan Commitment Volume</link:label>
    <link:label id="lab_abr_LoanCommitmentVolume_documentation_en-US" xlink:label="lab_abr_LoanCommitmentVolume" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loan Commitment Volume</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LoanCommitmentVolume" xlink:href="abr-20240930.xsd#abr_LoanCommitmentVolume"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LoanCommitmentVolume" xlink:to="lab_abr_LoanCommitmentVolume" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_GranteeStatusAxis_64138b88-4505-4a85-8516-3ccda4cb32f1_terseLabel_en-US" xlink:label="lab_us-gaap_GranteeStatusAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grantee Status [Axis]</link:label>
    <link:label id="lab_us-gaap_GranteeStatusAxis_label_en-US" xlink:label="lab_us-gaap_GranteeStatusAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Grantee Status [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GranteeStatusAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GranteeStatusAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GranteeStatusAxis" xlink:to="lab_us-gaap_GranteeStatusAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SeniorUnsecuredNotes5.75PercentMember_4997f617-d8ec-4745-8566-16f1a918dae1_terseLabel_en-US" xlink:label="lab_abr_SeniorUnsecuredNotes5.75PercentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">5.75% Notes</link:label>
    <link:label id="lab_abr_SeniorUnsecuredNotes5.75PercentMember_label_en-US" xlink:label="lab_abr_SeniorUnsecuredNotes5.75PercentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Unsecured Notes 5.75 Percent [Member]</link:label>
    <link:label id="lab_abr_SeniorUnsecuredNotes5.75PercentMember_documentation_en-US" xlink:label="lab_abr_SeniorUnsecuredNotes5.75PercentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for senior unsecured notes percentage.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SeniorUnsecuredNotes5.75PercentMember" xlink:href="abr-20240930.xsd#abr_SeniorUnsecuredNotes5.75PercentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SeniorUnsecuredNotes5.75PercentMember" xlink:to="lab_abr_SeniorUnsecuredNotes5.75PercentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_ChngInFrValOfOutsdngAndUnvstdEqtyAwrdsGrntdInPrrYrsMember_terseLabel_en-US" xlink:label="lab_ecd_ChngInFrValOfOutsdngAndUnvstdEqtyAwrdsGrntdInPrrYrsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested</link:label>
    <link:label id="lab_ecd_ChngInFrValOfOutsdngAndUnvstdEqtyAwrdsGrntdInPrrYrsMember_label_en-US" xlink:label="lab_ecd_ChngInFrValOfOutsdngAndUnvstdEqtyAwrdsGrntdInPrrYrsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_ChngInFrValOfOutsdngAndUnvstdEqtyAwrdsGrntdInPrrYrsMember" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_ChngInFrValOfOutsdngAndUnvstdEqtyAwrdsGrntdInPrrYrsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_ChngInFrValOfOutsdngAndUnvstdEqtyAwrdsGrntdInPrrYrsMember" xlink:to="lab_ecd_ChngInFrValOfOutsdngAndUnvstdEqtyAwrdsGrntdInPrrYrsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ImpairedFinancingReceivableFirstDollarLtvRatio_d518f7af-6c8a-4181-a3f2-7da6e66a253a_terseLabel_en-US" xlink:label="lab_abr_ImpairedFinancingReceivableFirstDollarLtvRatio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Wtd. Avg. First Dollar LTV Ratio</link:label>
    <link:label id="lab_abr_ImpairedFinancingReceivableFirstDollarLtvRatio_label_en-US" xlink:label="lab_abr_ImpairedFinancingReceivableFirstDollarLtvRatio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impaired Financing Receivable First Dollar LTV Ratio</link:label>
    <link:label id="lab_abr_ImpairedFinancingReceivableFirstDollarLtvRatio_documentation_en-US" xlink:label="lab_abr_ImpairedFinancingReceivableFirstDollarLtvRatio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">For an impaired loan, the weighted average loan to value ratio that is calculated by comparing the total of the carrying value of the company's loan and all senior lien positions within the capital stack to the fair value of the underlying collateral to determine the point at which the company will absorb a total loss of its position.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ImpairedFinancingReceivableFirstDollarLtvRatio" xlink:href="abr-20240930.xsd#abr_ImpairedFinancingReceivableFirstDollarLtvRatio"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ImpairedFinancingReceivableFirstDollarLtvRatio" xlink:to="lab_abr_ImpairedFinancingReceivableFirstDollarLtvRatio" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProvisionForLoanLossesExpensed_615e35f0-1162-443e-8aa9-090687f7fcc5_verboseLabel_en-US" xlink:label="lab_us-gaap_ProvisionForLoanLossesExpensed" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Provision for credit losses (net of recoveries)</link:label>
    <link:label id="lab_us-gaap_ProvisionForLoanLossesExpensed_c001505c-bf5d-47ef-81ff-430f56dc12c2_terseLabel_en-US" xlink:label="lab_us-gaap_ProvisionForLoanLossesExpensed" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provision for credit losses</link:label>
    <link:label id="lab_us-gaap_ProvisionForLoanLossesExpensed_label_en-US" xlink:label="lab_us-gaap_ProvisionForLoanLossesExpensed" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Credit Loss, Expense (Reversal)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForLoanLossesExpensed" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProvisionForLoanLossesExpensed"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProvisionForLoanLossesExpensed" xlink:to="lab_us-gaap_ProvisionForLoanLossesExpensed" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_EastRiverMember_c4402f6c-7c1b-464b-9409-0c547e7b1029_terseLabel_en-US" xlink:label="lab_abr_EastRiverMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">East River Portfolio</link:label>
    <link:label id="lab_abr_EastRiverMember_label_en-US" xlink:label="lab_abr_EastRiverMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">East River [Member]</link:label>
    <link:label id="lab_abr_EastRiverMember_documentation_en-US" xlink:label="lab_abr_EastRiverMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the investment in East River, an equity affiliate of the entity accounted under the equity method of accounting.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_EastRiverMember" xlink:href="abr-20240930.xsd#abr_EastRiverMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_EastRiverMember" xlink:to="lab_abr_EastRiverMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InvestmentTableTextBlock_bceb3c21-4924-4677-a303-e4ae3f853586_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Structured Business Loan and Investment Portfolio</link:label>
    <link:label id="lab_us-gaap_InvestmentTableTextBlock_label_en-US" xlink:label="lab_us-gaap_InvestmentTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentTableTextBlock" xlink:to="lab_us-gaap_InvestmentTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RepaymentsOfBankDebt_d921e92c-8e55-423d-a332-83f0fd6133fd_negatedLabel_en-US" xlink:label="lab_us-gaap_RepaymentsOfBankDebt" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Paydowns and payoffs of credit and repurchase facilities</link:label>
    <link:label id="lab_us-gaap_RepaymentsOfBankDebt_label_en-US" xlink:label="lab_us-gaap_RepaymentsOfBankDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayments of Bank Debt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfBankDebt" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RepaymentsOfBankDebt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RepaymentsOfBankDebt" xlink:to="lab_us-gaap_RepaymentsOfBankDebt" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_ffa51d38-e3ff-44dc-b13c-728fed989630_terseLabel_en-US" xlink:label="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss on extinguishment of debt</link:label>
    <link:label id="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_435e0cce-72e5-48fa-99d2-52fdb99f0d55_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Loss on extinguishment of debt</link:label>
    <link:label id="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt_label_en-US" xlink:label="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) on Extinguishment of Debt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainsLossesOnExtinguishmentOfDebt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:to="lab_us-gaap_GainsLossesOnExtinguishmentOfDebt" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DisclosuresPertainingToServicingAssetsAndServicingLiabilitiesAbstract_91d2fd7d-1cf8-4d59-b4c3-6c04755e040c_terseLabel_en-US" xlink:label="lab_us-gaap_DisclosuresPertainingToServicingAssetsAndServicingLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage Servicing</link:label>
    <link:label id="lab_us-gaap_DisclosuresPertainingToServicingAssetsAndServicingLiabilitiesAbstract_label_en-US" xlink:label="lab_us-gaap_DisclosuresPertainingToServicingAssetsAndServicingLiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Disclosures Pertaining to Servicing Assets and Servicing Liabilities [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisclosuresPertainingToServicingAssetsAndServicingLiabilitiesAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DisclosuresPertainingToServicingAssetsAndServicingLiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisclosuresPertainingToServicingAssetsAndServicingLiabilitiesAbstract" xlink:to="lab_us-gaap_DisclosuresPertainingToServicingAssetsAndServicingLiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_YrEndFrValOfEqtyAwrdsGrntdInCvrdYrOutsdngAndUnvstdMember_terseLabel_en-US" xlink:label="lab_ecd_YrEndFrValOfEqtyAwrdsGrntdInCvrdYrOutsdngAndUnvstdMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested</link:label>
    <link:label id="lab_ecd_YrEndFrValOfEqtyAwrdsGrntdInCvrdYrOutsdngAndUnvstdMember_label_en-US" xlink:label="lab_ecd_YrEndFrValOfEqtyAwrdsGrntdInCvrdYrOutsdngAndUnvstdMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_YrEndFrValOfEqtyAwrdsGrntdInCvrdYrOutsdngAndUnvstdMember" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_YrEndFrValOfEqtyAwrdsGrntdInCvrdYrOutsdngAndUnvstdMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_YrEndFrValOfEqtyAwrdsGrntdInCvrdYrOutsdngAndUnvstdMember" xlink:to="lab_ecd_YrEndFrValOfEqtyAwrdsGrntdInCvrdYrOutsdngAndUnvstdMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestConversionToCommonEquityInvestment_09866fa9-e703-4c32-87f1-1b004ce22d27_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestConversionToCommonEquityInvestment" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing receivable, reserve for credit loss</link:label>
    <link:label id="lab_abr_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestConversionToCommonEquityInvestment_label_en-US" xlink:label="lab_abr_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestConversionToCommonEquityInvestment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Allowance For Credit Loss, Excluding Accrued Interest, Conversion to Common Equity Investment</link:label>
    <link:label id="lab_abr_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestConversionToCommonEquityInvestment_documentation_en-US" xlink:label="lab_abr_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestConversionToCommonEquityInvestment" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Allowance For Credit Loss, Excluding Accrued Interest, Conversion to Common Equity Investment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestConversionToCommonEquityInvestment" xlink:href="abr-20240930.xsd#abr_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestConversionToCommonEquityInvestment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestConversionToCommonEquityInvestment" xlink:to="lab_abr_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterestConversionToCommonEquityInvestment" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember_f6827065-f672-49ba-97d5-6946fce4f244_terseLabel_en-US" xlink:label="lab_us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unconsolidated VIEs</link:label>
    <link:label id="lab_us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember_label_en-US" xlink:label="lab_us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Interest Entity, Not Primary Beneficiary [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember" xlink:to="lab_us-gaap_VariableInterestEntityNotPrimaryBeneficiaryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DepreciationAndAmortization_806a5cf8-6ed0-4039-a584-307bf43eb9eb_terseLabel_en-US" xlink:label="lab_us-gaap_DepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation and amortization</link:label>
    <link:label id="lab_us-gaap_DepreciationAndAmortization_label_en-US" xlink:label="lab_us-gaap_DepreciationAndAmortization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Depreciation, Depletion and Amortization, Nonproduction</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DepreciationAndAmortization" xlink:to="lab_us-gaap_DepreciationAndAmortization" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueDisclosureItemAmountsDomain_f124d49b-8b20-4b62-965c-abcb435be129_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueDisclosureItemAmountsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Measurement [Domain]</link:label>
    <link:label id="lab_us-gaap_FairValueDisclosureItemAmountsDomain_label_en-US" xlink:label="lab_us-gaap_FairValueDisclosureItemAmountsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Measurement [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueDisclosureItemAmountsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain" xlink:to="lab_us-gaap_FairValueDisclosureItemAmountsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_InterestReserveNumberOfLoans_7fa21c49-7971-4ef9-9b74-d38095feb57d_terseLabel_en-US" xlink:label="lab_abr_InterestReserveNumberOfLoans" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of loans covered under interest reserve</link:label>
    <link:label id="lab_abr_InterestReserveNumberOfLoans_label_en-US" xlink:label="lab_abr_InterestReserveNumberOfLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Reserve, Number of Loans</link:label>
    <link:label id="lab_abr_InterestReserveNumberOfLoans_documentation_en-US" xlink:label="lab_abr_InterestReserveNumberOfLoans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of loans covered under the interest reserve fund.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_InterestReserveNumberOfLoans" xlink:href="abr-20240930.xsd#abr_InterestReserveNumberOfLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_InterestReserveNumberOfLoans" xlink:to="lab_abr_InterestReserveNumberOfLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_AWCRealEstateOpportunityPartnersMember_f33815a8-f2b4-4000-a047-8f31e8c5d6cf_terseLabel_en-US" xlink:label="lab_abr_AWCRealEstateOpportunityPartnersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AWC Real Estate Opportunity Partners I LP</link:label>
    <link:label id="lab_abr_AWCRealEstateOpportunityPartnersMember_label_en-US" xlink:label="lab_abr_AWCRealEstateOpportunityPartnersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">AWC Real Estate Opportunity Partners [Member]</link:label>
    <link:label id="lab_abr_AWCRealEstateOpportunityPartnersMember_documentation_en-US" xlink:label="lab_abr_AWCRealEstateOpportunityPartnersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">AWC Real Estate Opportunity Partners</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_AWCRealEstateOpportunityPartnersMember" xlink:href="abr-20240930.xsd#abr_AWCRealEstateOpportunityPartnersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_AWCRealEstateOpportunityPartnersMember" xlink:to="lab_abr_AWCRealEstateOpportunityPartnersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeAxis_538b1253-0681-4a73-817a-ec4c24803a9b_terseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Nonconsolidated Investee [Axis]</link:label>
    <link:label id="lab_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeAxis_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Nonconsolidated Investee [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeAxis" xlink:to="lab_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_stpr_IL_b6b8882e-1f63-4ae8-8d8a-dc1b05cb4335_terseLabel_en-US" xlink:label="lab_stpr_IL" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Illinois</link:label>
    <link:label id="lab_stpr_IL_label_en-US" xlink:label="lab_stpr_IL" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ILLINOIS</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_stpr_IL" xlink:href="https://xbrl.sec.gov/stpr/2024/stpr-2024.xsd#stpr_IL"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_stpr_IL" xlink:to="lab_stpr_IL" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_abf6d4f0-41d3-445c-967f-dcce99e94a76_verboseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sale of real estate, net</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale, Real Estate, Held-for-Investment</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment" xlink:to="lab_us-gaap_ProceedsFromSaleOfRealEstateHeldforinvestment" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NumberOfBPieceBonds_ff8c675b-75f5-429d-94c2-9e225ff5ecec_terseLabel_en-US" xlink:label="lab_abr_NumberOfBPieceBonds" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of B Piece bonds</link:label>
    <link:label id="lab_abr_NumberOfBPieceBonds_label_en-US" xlink:label="lab_abr_NumberOfBPieceBonds" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of B Piece Bonds</link:label>
    <link:label id="lab_abr_NumberOfBPieceBonds_documentation_en-US" xlink:label="lab_abr_NumberOfBPieceBonds" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of B Piece bonds.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NumberOfBPieceBonds" xlink:href="abr-20240930.xsd#abr_NumberOfBPieceBonds"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NumberOfBPieceBonds" xlink:to="lab_abr_NumberOfBPieceBonds" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AdjToPeoCompFnTextBlock_terseLabel_en-US" xlink:label="lab_ecd_AdjToPeoCompFnTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustment To PEO Compensation, Footnote</link:label>
    <link:label id="lab_ecd_AdjToPeoCompFnTextBlock_label_en-US" xlink:label="lab_ecd_AdjToPeoCompFnTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment To PEO Compensation, Footnote [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AdjToPeoCompFnTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AdjToPeoCompFnTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_AdjToPeoCompFnTextBlock" xlink:to="lab_ecd_AdjToPeoCompFnTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableTotalFixedRatePeriod_b4bed8ef-00f3-48da-9377-6f1f39fe446a_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableTotalFixedRatePeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing receivable, total fixed rate, period</link:label>
    <link:label id="lab_abr_FinancingReceivableTotalFixedRatePeriod_label_en-US" xlink:label="lab_abr_FinancingReceivableTotalFixedRatePeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Total Fixed Rate, Period</link:label>
    <link:label id="lab_abr_FinancingReceivableTotalFixedRatePeriod_documentation_en-US" xlink:label="lab_abr_FinancingReceivableTotalFixedRatePeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Total Fixed Rate, Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableTotalFixedRatePeriod" xlink:href="abr-20240930.xsd#abr_FinancingReceivableTotalFixedRatePeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableTotalFixedRatePeriod" xlink:to="lab_abr_FinancingReceivableTotalFixedRatePeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_b95ac81d-0c52-4217-bea9-6bbde09db277_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of Financing Receivable [Axis]</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Financing Receivable [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" xlink:to="lab_us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ContractualObligationDueInNextTwelveMonths_26b8cd84-d449-42f8-b4be-a5d83b375bf5_totalLabel_en-US" xlink:label="lab_us-gaap_ContractualObligationDueInNextTwelveMonths" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">2025</link:label>
    <link:label id="lab_us-gaap_ContractualObligationDueInNextTwelveMonths_label_en-US" xlink:label="lab_us-gaap_ContractualObligationDueInNextTwelveMonths" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Obligation, to be Paid, Year One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueInNextTwelveMonths" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractualObligationDueInNextTwelveMonths"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractualObligationDueInNextTwelveMonths" xlink:to="lab_us-gaap_ContractualObligationDueInNextTwelveMonths" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_1af51a53-8c1b-499b-8831-ae84638560c2_totalLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net income attributable to common stockholders</link:label>
    <link:label id="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_902b34bc-9bde-406a-824a-4ac49bc31a49_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income attributable to common stockholders</link:label>
    <link:label id="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic_label_en-US" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Loss) Available to Common Stockholders, Basic</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:to="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_CompActuallyPaidVsOtherMeasureTextBlock_terseLabel_en-US" xlink:label="lab_ecd_CompActuallyPaidVsOtherMeasureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Compensation Actually Paid vs. Other Measure</link:label>
    <link:label id="lab_ecd_CompActuallyPaidVsOtherMeasureTextBlock_label_en-US" xlink:label="lab_ecd_CompActuallyPaidVsOtherMeasureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Compensation Actually Paid vs. Other Measure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_CompActuallyPaidVsOtherMeasureTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_CompActuallyPaidVsOtherMeasureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_CompActuallyPaidVsOtherMeasureTextBlock" xlink:to="lab_ecd_CompActuallyPaidVsOtherMeasureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CollateralizedLoanObligationsFourteenMember_b01c1a79-3d36-4519-bcbe-ce1cf0628685_terseLabel_en-US" xlink:label="lab_abr_CollateralizedLoanObligationsFourteenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CLO 14</link:label>
    <link:label id="lab_abr_CollateralizedLoanObligationsFourteenMember_label_en-US" xlink:label="lab_abr_CollateralizedLoanObligationsFourteenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collateralized Loan Obligations Fourteen [Member]</link:label>
    <link:label id="lab_abr_CollateralizedLoanObligationsFourteenMember_documentation_en-US" xlink:label="lab_abr_CollateralizedLoanObligationsFourteenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to a collateralized securitization vehicles ("CLO XIV").</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CollateralizedLoanObligationsFourteenMember" xlink:href="abr-20240930.xsd#abr_CollateralizedLoanObligationsFourteenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CollateralizedLoanObligationsFourteenMember" xlink:to="lab_abr_CollateralizedLoanObligationsFourteenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_VstngDtFrValOfEqtyAwrdsGrntdAndVstdInCvrdYrMember_terseLabel_en-US" xlink:label="lab_ecd_VstngDtFrValOfEqtyAwrdsGrntdAndVstdInCvrdYrMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year</link:label>
    <link:label id="lab_ecd_VstngDtFrValOfEqtyAwrdsGrntdAndVstdInCvrdYrMember_label_en-US" xlink:label="lab_ecd_VstngDtFrValOfEqtyAwrdsGrntdAndVstdInCvrdYrMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_VstngDtFrValOfEqtyAwrdsGrntdAndVstdInCvrdYrMember" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_VstngDtFrValOfEqtyAwrdsGrntdAndVstdInCvrdYrMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_VstngDtFrValOfEqtyAwrdsGrntdAndVstdInCvrdYrMember" xlink:to="lab_ecd_VstngDtFrValOfEqtyAwrdsGrntdAndVstdInCvrdYrMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MortgageLoansOnRealEstateCarryingValue_33af79f4-e9ae-49f8-b412-4354acc2061f_terseLabel_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstateCarryingValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Collateral, Loans, Carrying Value</link:label>
    <link:label id="lab_abr_MortgageLoansOnRealEstateCarryingValue_label_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstateCarryingValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Loans on Real Estate Carrying Value</link:label>
    <link:label id="lab_abr_MortgageLoansOnRealEstateCarryingValue_documentation_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstateCarryingValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the carrying value of the mortgage loans that serve as collateral.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MortgageLoansOnRealEstateCarryingValue" xlink:href="abr-20240930.xsd#abr_MortgageLoansOnRealEstateCarryingValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MortgageLoansOnRealEstateCarryingValue" xlink:to="lab_abr_MortgageLoansOnRealEstateCarryingValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_645ccb02-d15d-4d49-8f90-a9ddba8e3158_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average shares outstanding:</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_Assets_b94814b6-3a5a-431b-aedd-d42e4cee0ff5_totalLabel_en-US" xlink:label="lab_us-gaap_Assets" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total assets</link:label>
    <link:label id="lab_us-gaap_Assets_0a1289af-e91a-45fd-b460-9e8532e9e397_terseLabel_en-US" xlink:label="lab_us-gaap_Assets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Assets of consolidated VIEs</link:label>
    <link:label id="lab_us-gaap_Assets_label_en-US" xlink:label="lab_us-gaap_Assets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_Assets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_Assets" xlink:to="lab_us-gaap_Assets" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MortgageLoansOnRealEstateLoanTypeAxis_0bd3f1ae-3ddb-4a06-95ef-db0c76679a6c_terseLabel_en-US" xlink:label="lab_srt_MortgageLoansOnRealEstateLoanTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Type [Axis]</link:label>
    <link:label id="lab_srt_MortgageLoansOnRealEstateLoanTypeAxis_label_en-US" xlink:label="lab_srt_MortgageLoansOnRealEstateLoanTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateLoanTypeAxis" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MortgageLoansOnRealEstateLoanTypeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MortgageLoansOnRealEstateLoanTypeAxis" xlink:to="lab_srt_MortgageLoansOnRealEstateLoanTypeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2_c4622121-f8df-48fd-8d5e-2c16e2bd700f_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing receivable, amount modified in period</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Modified in Period, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2" xlink:to="lab_us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RepurchaseFacility650MillionMember_786df659-b4d2-4c75-945c-8b708c966168_terseLabel_en-US" xlink:label="lab_abr_RepurchaseFacility650MillionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$650M repurchase facility</link:label>
    <link:label id="lab_abr_RepurchaseFacility650MillionMember_label_en-US" xlink:label="lab_abr_RepurchaseFacility650MillionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repurchase Facility 650 Million [Member]</link:label>
    <link:label id="lab_abr_RepurchaseFacility650MillionMember_documentation_en-US" xlink:label="lab_abr_RepurchaseFacility650MillionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Repurchase Facility 650 Million</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RepurchaseFacility650MillionMember" xlink:href="abr-20240930.xsd#abr_RepurchaseFacility650MillionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RepurchaseFacility650MillionMember" xlink:to="lab_abr_RepurchaseFacility650MillionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableBeforeAllowanceForCreditLossFunded_b4d8985a-3cf9-4045-aed0-810fb21d96ee_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableBeforeAllowanceForCreditLossFunded" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unpaid principal balance, funded</link:label>
    <link:label id="lab_abr_FinancingReceivableBeforeAllowanceForCreditLossFunded_label_en-US" xlink:label="lab_abr_FinancingReceivableBeforeAllowanceForCreditLossFunded" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, before Allowance for Credit Loss, Funded</link:label>
    <link:label id="lab_abr_FinancingReceivableBeforeAllowanceForCreditLossFunded_documentation_en-US" xlink:label="lab_abr_FinancingReceivableBeforeAllowanceForCreditLossFunded" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Funded amount, before allowance for credit loss, of financing receivable.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableBeforeAllowanceForCreditLossFunded" xlink:href="abr-20240930.xsd#abr_FinancingReceivableBeforeAllowanceForCreditLossFunded"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableBeforeAllowanceForCreditLossFunded" xlink:to="lab_abr_FinancingReceivableBeforeAllowanceForCreditLossFunded" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_ForgoneRecoveryDueToViolationOfHomeCountryLawAmt_terseLabel_en-US" xlink:label="lab_ecd_ForgoneRecoveryDueToViolationOfHomeCountryLawAmt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forgone Recovery due to Violation of Home Country Law, Amount</link:label>
    <link:label id="lab_ecd_ForgoneRecoveryDueToViolationOfHomeCountryLawAmt_label_en-US" xlink:label="lab_ecd_ForgoneRecoveryDueToViolationOfHomeCountryLawAmt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forgone Recovery due to Violation of Home Country Law, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_ForgoneRecoveryDueToViolationOfHomeCountryLawAmt" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_ForgoneRecoveryDueToViolationOfHomeCountryLawAmt"/>
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    <link:label id="lab_abr_LoanToAffiliateMaximumAmountOfLoan_f91e5298-f46e-4071-b4e5-e073eb8ecf99_terseLabel_en-US" xlink:label="lab_abr_LoanToAffiliateMaximumAmountOfLoan" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan to affiliate</link:label>
    <link:label id="lab_abr_LoanToAffiliateMaximumAmountOfLoan_label_en-US" xlink:label="lab_abr_LoanToAffiliateMaximumAmountOfLoan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan To Affiliate, Maximum Amount Of Loan</link:label>
    <link:label id="lab_abr_LoanToAffiliateMaximumAmountOfLoan_documentation_en-US" xlink:label="lab_abr_LoanToAffiliateMaximumAmountOfLoan" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loan To Affiliate, Maximum Amount Of Loan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LoanToAffiliateMaximumAmountOfLoan" xlink:href="abr-20240930.xsd#abr_LoanToAffiliateMaximumAmountOfLoan"/>
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    <link:label id="lab_us-gaap_CommitmentsAndContingencies_1af72afd-1327-4150-aac8-9b557c611bf4_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments and contingencies (Note 14)</link:label>
    <link:label id="lab_us-gaap_CommitmentsAndContingencies_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingencies" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingencies"/>
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    <link:label id="lab_ecd_TrdArrTerminationDate_label_en-US" xlink:label="lab_ecd_TrdArrTerminationDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trading Arrangement Termination Date</link:label>
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    <link:label id="lab_us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract_d6aa569a-ef58-4369-add7-22d64ba38ed6_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Diluted</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Diluted, Other Disclosure [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareDilutedOtherDisclosuresAbstract"/>
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    <link:label id="lab_abr_SeriesECumulativeRedeemablePreferredStock6.25PercentMember_3b66cabb-2cc9-4490-a793-c6cd8c673383_verboseLabel_en-US" xlink:label="lab_abr_SeriesECumulativeRedeemablePreferredStock6.25PercentMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Series E preferred stock</link:label>
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    <link:label id="lab_abr_SeriesECumulativeRedeemablePreferredStock6.25PercentMember_documentation_en-US" xlink:label="lab_abr_SeriesECumulativeRedeemablePreferredStock6.25PercentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member represents the information pertaining to the 6.25 percent series E cumulative redeemable preferred stock.</link:label>
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    <link:label id="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_1a866914-b126-4e65-af60-b6f8440c8726_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Related Party Transactions, by Related Party [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transaction [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfRelatedPartyTransactionsByRelatedPartyTable"/>
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    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_1a2e1312-c060-466f-b8fe-bf9189d24982_verboseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Fair Value</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
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    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_ea9f8aa4-ccfa-466a-9384-23e5318fd46c_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2026</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, to be Paid, Year Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo"/>
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    <link:label id="lab_us-gaap_ContractualObligationDueAfterFifthYear_d64cfa61-41e8-48a2-ac1f-f05d5af61c65_totalLabel_en-US" xlink:label="lab_us-gaap_ContractualObligationDueAfterFifthYear" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Thereafter</link:label>
    <link:label id="lab_us-gaap_ContractualObligationDueAfterFifthYear_label_en-US" xlink:label="lab_us-gaap_ContractualObligationDueAfterFifthYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Obligation, to be Paid, after Year Five</link:label>
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    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_ec49e05b-61c4-456f-9748-815ea0de2016_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2025</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-Term Debt, Maturity, Year One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths"/>
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    <link:label id="lab_abr_TreasuryFuturesRatePeriod_85f392f6-f585-4b48-8963-9f68351493bf_terseLabel_en-US" xlink:label="lab_abr_TreasuryFuturesRatePeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Treasury futures rate period</link:label>
    <link:label id="lab_abr_TreasuryFuturesRatePeriod_label_en-US" xlink:label="lab_abr_TreasuryFuturesRatePeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Treasury Futures Rate Period</link:label>
    <link:label id="lab_abr_TreasuryFuturesRatePeriod_documentation_en-US" xlink:label="lab_abr_TreasuryFuturesRatePeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Treasury Futures Rate Period</link:label>
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    <link:label id="lab_abr_ScheduleOfDebtInstrumentSeniorUnsecuredNotesTableTextBlock_89e9e732-54d2-4628-b04b-130a1dcc3fcd_terseLabel_en-US" xlink:label="lab_abr_ScheduleOfDebtInstrumentSeniorUnsecuredNotesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Senior Unsecured Notes</link:label>
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    <link:label id="lab_us-gaap_OtherLiabilities_173c0e76-a913-44a1-8456-5fcddd77efbd_terseLabel_en-US" xlink:label="lab_us-gaap_OtherLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other liabilities</link:label>
    <link:label id="lab_us-gaap_OtherLiabilities_label_en-US" xlink:label="lab_us-gaap_OtherLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Liabilities</link:label>
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    <link:label id="lab_us-gaap_NondesignatedMember_c7dd6d3a-2013-46c5-a35f-c67c9da88685_terseLabel_en-US" xlink:label="lab_us-gaap_NondesignatedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-Qualifying</link:label>
    <link:label id="lab_us-gaap_NondesignatedMember_label_en-US" xlink:label="lab_us-gaap_NondesignatedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Not Designated as Hedging Instrument [Member]</link:label>
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    <link:label id="lab_srt_MortgageLoansOnRealEstateLoanTypeDomain_01956a60-82ea-4b5c-9b09-08903a65e27e_terseLabel_en-US" xlink:label="lab_srt_MortgageLoansOnRealEstateLoanTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Loan Type [Domain]</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentAxis_f1f9023e-f56a-4261-a444-1dca341e2d66_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument [Axis]</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentAxis"/>
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    <link:label id="lab_us-gaap_NetIncomeLoss_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net Income (Loss)</link:label>
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    <link:label id="lab_ecd_TradingArrAxis_terseLabel_en-US" xlink:label="lab_ecd_TradingArrAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Trading Arrangement:</link:label>
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    <link:label id="lab_us-gaap_FairValueByBalanceSheetGroupingTextBlock_3089b6a4-103a-4fa6-b6bf-2c5584d59eb3_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Principal Amounts, Carrying Values, and Estimated Fair Values of Financial Instruments</link:label>
    <link:label id="lab_us-gaap_FairValueByBalanceSheetGroupingTextBlock_label_en-US" xlink:label="lab_us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, by Balance Sheet Grouping [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByBalanceSheetGroupingTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:to="lab_us-gaap_FairValueByBalanceSheetGroupingTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear_8d8bea5d-f9f9-4899-bc1f-9ec9680f611f_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Origination Year Three</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear" xlink:to="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_PvpTableTextBlock_terseLabel_en-US" xlink:label="lab_ecd_PvpTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pay vs Performance Disclosure, Table</link:label>
    <link:label id="lab_ecd_PvpTableTextBlock_label_en-US" xlink:label="lab_ecd_PvpTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pay vs Performance [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_PvpTableTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_PvpTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_PvpTableTextBlock" xlink:to="lab_ecd_PvpTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain_06b30ba2-ad9d-44df-9027-71f1f7172d96_terseLabel_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unrealized Gain</link:label>
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain_label_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Securities, Held-to-Maturity, Accumulated Unrecognized Gain</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain"/>
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    <link:label id="lab_us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus_753dfce8-6a4d-45b3-a3b6-b467ac9043c2_periodStartLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus_1732e15d-e141-4ce3-8342-6392b5fdf67a_periodEndLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Nonaccrual</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus" xlink:to="lab_us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_EqtyAwrdsAdjsExclgValRprtdInSummryCompstnTblMember_terseLabel_en-US" xlink:label="lab_ecd_EqtyAwrdsAdjsExclgValRprtdInSummryCompstnTblMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Awards Adjustments, Excluding Value Reported in Compensation Table</link:label>
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    <link:label id="lab_us-gaap_PropertyManagementFeePercentFee_4e6c38aa-2205-4dfe-ac93-c7d8d955c6b4_terseLabel_en-US" xlink:label="lab_us-gaap_PropertyManagementFeePercentFee" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Management fee, percentage of gross revenues of underlying properties</link:label>
    <link:label id="lab_us-gaap_PropertyManagementFeePercentFee_label_en-US" xlink:label="lab_us-gaap_PropertyManagementFeePercentFee" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property Management Fee, Percent Fee</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyManagementFeePercentFee" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PropertyManagementFeePercentFee"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PropertyManagementFeePercentFee" xlink:to="lab_us-gaap_PropertyManagementFeePercentFee" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EscrowDeposit_686020ad-b961-4546-845d-9cfd6cdccdfc_terseLabel_en-US" xlink:label="lab_us-gaap_EscrowDeposit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Escrow balance</link:label>
    <link:label id="lab_us-gaap_EscrowDeposit_label_en-US" xlink:label="lab_us-gaap_EscrowDeposit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Escrow Deposit</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EscrowDeposit" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EscrowDeposit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EscrowDeposit" xlink:to="lab_us-gaap_EscrowDeposit" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityFileNumber_d54aabf2-648e-417c-94c5-f47d85585853_terseLabel_en-US" xlink:label="lab_dei_EntityFileNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity File Number</link:label>
    <link:label id="lab_dei_EntityFileNumber_label_en-US" xlink:label="lab_dei_EntityFileNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity File Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityFileNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFileNumber" xlink:to="lab_dei_EntityFileNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CreditFacility250MillionMember_8c8bee24-bd2f-47dc-908f-f321d8d96f42_terseLabel_en-US" xlink:label="lab_abr_CreditFacility250MillionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$250M credit facility</link:label>
    <link:label id="lab_abr_CreditFacility250MillionMember_label_en-US" xlink:label="lab_abr_CreditFacility250MillionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility 250 Million [Member]</link:label>
    <link:label id="lab_abr_CreditFacility250MillionMember_documentation_en-US" xlink:label="lab_abr_CreditFacility250MillionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit Facility 250 Million</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CreditFacility250MillionMember" xlink:href="abr-20240930.xsd#abr_CreditFacility250MillionMember"/>
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    <link:label id="lab_us-gaap_PrincipalAmountOutstandingOfLoansHeldInPortfolio_eb3180c6-968c-4472-b793-9999d096adbd_verboseLabel_en-US" xlink:label="lab_us-gaap_PrincipalAmountOutstandingOfLoansHeldInPortfolio" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Product Concentrations, UPB</link:label>
    <link:label id="lab_us-gaap_PrincipalAmountOutstandingOfLoansHeldInPortfolio_label_en-US" xlink:label="lab_us-gaap_PrincipalAmountOutstandingOfLoansHeldInPortfolio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan, Held-in-Portfolio, Principal Outstanding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrincipalAmountOutstandingOfLoansHeldInPortfolio" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PrincipalAmountOutstandingOfLoansHeldInPortfolio"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrincipalAmountOutstandingOfLoansHeldInPortfolio" xlink:to="lab_us-gaap_PrincipalAmountOutstandingOfLoansHeldInPortfolio" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ConsolidatedEntitiesDomain_c4946edb-88a8-4059-b7ac-d3d7d120e2b0_terseLabel_en-US" xlink:label="lab_srt_ConsolidatedEntitiesDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidated Entities [Domain]</link:label>
    <link:label id="lab_srt_ConsolidatedEntitiesDomain_label_en-US" xlink:label="lab_srt_ConsolidatedEntitiesDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidated Entities [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ConsolidatedEntitiesDomain" xlink:to="lab_srt_ConsolidatedEntitiesDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NoncontrollingInterestMember_444d34ed-1651-4bed-9991-e4a33028e09b_terseLabel_en-US" xlink:label="lab_us-gaap_NoncontrollingInterestMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Noncontrolling Interest</link:label>
    <link:label id="lab_us-gaap_NoncontrollingInterestMember_label_en-US" xlink:label="lab_us-gaap_NoncontrollingInterestMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noncontrolling Interest [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NoncontrollingInterestMember" xlink:to="lab_us-gaap_NoncontrollingInterestMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeStatementAbstract_55a34af9-4458-4054-a2e4-db7f02cd16c5_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Statement [Abstract]</link:label>
    <link:label id="lab_us-gaap_IncomeStatementAbstract_label_en-US" xlink:label="lab_us-gaap_IncomeStatementAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Statement [Abstract]</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementAbstract" xlink:to="lab_us-gaap_IncomeStatementAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressAddressLine1_aa9d6f69-6301-41ae-ba66-5ee842fdd82a_terseLabel_en-US" xlink:label="lab_dei_EntityAddressAddressLine1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address, Address Line One</link:label>
    <link:label id="lab_dei_EntityAddressAddressLine1_label_en-US" xlink:label="lab_dei_EntityAddressAddressLine1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Address, Address Line One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressAddressLine1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressAddressLine1" xlink:to="lab_dei_EntityAddressAddressLine1" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SeniorUnsecuredNotes4.50PercentMember_3866f9a7-c79f-4391-b4dd-64d49b94c8ce_verboseLabel_en-US" xlink:label="lab_abr_SeniorUnsecuredNotes4.50PercentMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">4.50% Notes</link:label>
    <link:label id="lab_abr_SeniorUnsecuredNotes4.50PercentMember_label_en-US" xlink:label="lab_abr_SeniorUnsecuredNotes4.50PercentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Unsecured Notes 4.50 Percent [Member]</link:label>
    <link:label id="lab_abr_SeniorUnsecuredNotes4.50PercentMember_documentation_en-US" xlink:label="lab_abr_SeniorUnsecuredNotes4.50PercentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for senior unsecured notes percentage.</link:label>
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    <link:label id="lab_abr_ARSRDPREFMember_bd3e2fcf-b737-4c3f-ae63-a0d7d2106f81_terseLabel_en-US" xlink:label="lab_abr_ARSRDPREFMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">ARSR DPREF I LLC</link:label>
    <link:label id="lab_abr_ARSRDPREFMember_label_en-US" xlink:label="lab_abr_ARSRDPREFMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">ARSR DPREF [Member]</link:label>
    <link:label id="lab_abr_ARSRDPREFMember_documentation_en-US" xlink:label="lab_abr_ARSRDPREFMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">ARSR DPREF</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ARSRDPREFMember" xlink:href="abr-20240930.xsd#abr_ARSRDPREFMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ARSRDPREFMember" xlink:to="lab_abr_ARSRDPREFMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressAddressLine2_45e7961b-e287-4871-acd9-e1c8671b5aef_terseLabel_en-US" xlink:label="lab_dei_EntityAddressAddressLine2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address, Address Line Two</link:label>
    <link:label id="lab_dei_EntityAddressAddressLine2_label_en-US" xlink:label="lab_dei_EntityAddressAddressLine2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Address, Address Line Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine2" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressAddressLine2"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressAddressLine2" xlink:to="lab_dei_EntityAddressAddressLine2" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DividendsCommonStock_f94ae249-a9e3-4858-857a-b5da6006b607_negatedLabel_en-US" xlink:label="lab_us-gaap_DividendsCommonStock" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Distributions - common stock</link:label>
    <link:label id="lab_us-gaap_DividendsCommonStock_label_en-US" xlink:label="lab_us-gaap_DividendsCommonStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends, Common Stock</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCommonStock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DividendsCommonStock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DividendsCommonStock" xlink:to="lab_us-gaap_DividendsCommonStock" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_ForgoneRecoveryIndName_terseLabel_en-US" xlink:label="lab_ecd_ForgoneRecoveryIndName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Name</link:label>
    <link:label id="lab_ecd_ForgoneRecoveryIndName_label_en-US" xlink:label="lab_ecd_ForgoneRecoveryIndName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forgone Recovery, Individual Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_ForgoneRecoveryIndName" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_ForgoneRecoveryIndName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_ForgoneRecoveryIndName" xlink:to="lab_ecd_ForgoneRecoveryIndName" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AwardDateDomain_44fed1ee-39b1-4d22-838e-4886d596a82e_terseLabel_en-US" xlink:label="lab_us-gaap_AwardDateDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Award Date [Domain]</link:label>
    <link:label id="lab_us-gaap_AwardDateDomain_label_en-US" xlink:label="lab_us-gaap_AwardDateDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Award Date [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardDateDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardDateDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AwardDateDomain" xlink:to="lab_us-gaap_AwardDateDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LossContingencyNatureDomain_d539bd20-f25d-4577-a167-6bf4260b0e10_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingencyNatureDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss Contingency, Nature [Domain]</link:label>
    <link:label id="lab_us-gaap_LossContingencyNatureDomain_label_en-US" xlink:label="lab_us-gaap_LossContingencyNatureDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Contingency, Nature [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyNatureDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingencyNatureDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingencyNatureDomain" xlink:to="lab_us-gaap_LossContingencyNatureDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_InvestmentWeightedAverageEffectiveInterestRate_7955dd77-c886-429c-bb7c-b56c1bd04500_terseLabel_en-US" xlink:label="lab_abr_InvestmentWeightedAverageEffectiveInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average effective interest rate (as a percent)</link:label>
    <link:label id="lab_abr_InvestmentWeightedAverageEffectiveInterestRate_label_en-US" xlink:label="lab_abr_InvestmentWeightedAverageEffectiveInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Weighted Average Effective Interest Rate</link:label>
    <link:label id="lab_abr_InvestmentWeightedAverageEffectiveInterestRate_documentation_en-US" xlink:label="lab_abr_InvestmentWeightedAverageEffectiveInterestRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The weighted average effective interest rate for investments that have an interest rate, including accretion of discount.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_InvestmentWeightedAverageEffectiveInterestRate" xlink:href="abr-20240930.xsd#abr_InvestmentWeightedAverageEffectiveInterestRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_InvestmentWeightedAverageEffectiveInterestRate" xlink:to="lab_abr_InvestmentWeightedAverageEffectiveInterestRate" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AwardTmgMnpiCnsdrdFlag_terseLabel_en-US" xlink:label="lab_ecd_AwardTmgMnpiCnsdrdFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Award Timing MNPI Considered</link:label>
    <link:label id="lab_ecd_AwardTmgMnpiCnsdrdFlag_label_en-US" xlink:label="lab_ecd_AwardTmgMnpiCnsdrdFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Award Timing MNPI Considered [Flag]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AwardTmgMnpiCnsdrdFlag" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AwardTmgMnpiCnsdrdFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_AwardTmgMnpiCnsdrdFlag" xlink:to="lab_ecd_AwardTmgMnpiCnsdrdFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ImpairmentLossWithRelatedAllowanceNumberOfLoans_c390c2d4-61ac-45e2-95c4-ffff252f3491_terseLabel_en-US" xlink:label="lab_abr_ImpairmentLossWithRelatedAllowanceNumberOfLoans" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of impaired loans held-for-sale</link:label>
    <link:label id="lab_abr_ImpairmentLossWithRelatedAllowanceNumberOfLoans_label_en-US" xlink:label="lab_abr_ImpairmentLossWithRelatedAllowanceNumberOfLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment Loss With Related Allowance Number of Loans</link:label>
    <link:label id="lab_abr_ImpairmentLossWithRelatedAllowanceNumberOfLoans_documentation_en-US" xlink:label="lab_abr_ImpairmentLossWithRelatedAllowanceNumberOfLoans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the number of impaired loans for which there is a related allowance for impairment losses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ImpairmentLossWithRelatedAllowanceNumberOfLoans" xlink:href="abr-20240930.xsd#abr_ImpairmentLossWithRelatedAllowanceNumberOfLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ImpairmentLossWithRelatedAllowanceNumberOfLoans" xlink:to="lab_abr_ImpairmentLossWithRelatedAllowanceNumberOfLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MaturityDateDecember2029Member_14e1e2fc-4137-4eef-b2ce-8a83813c60e1_terseLabel_en-US" xlink:label="lab_abr_MaturityDateDecember2029Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity date December 2029</link:label>
    <link:label id="lab_abr_MaturityDateDecember2029Member_label_en-US" xlink:label="lab_abr_MaturityDateDecember2029Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity Date December 2029 [Member]</link:label>
    <link:label id="lab_abr_MaturityDateDecember2029Member_documentation_en-US" xlink:label="lab_abr_MaturityDateDecember2029Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents loans receivable with the maturity date of December, 2029.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MaturityDateDecember2029Member" xlink:href="abr-20240930.xsd#abr_MaturityDateDecember2029Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MaturityDateDecember2029Member" xlink:to="lab_abr_MaturityDateDecember2029Member" xlink:type="arc" order="1"/>
    <link:label id="lab_stpr_NJ_5b2ee1fe-db90-4e34-8adb-b241d4df0d9c_verboseLabel_en-US" xlink:label="lab_stpr_NJ" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">New Jersey</link:label>
    <link:label id="lab_stpr_NJ_label_en-US" xlink:label="lab_stpr_NJ" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">NEW JERSEY</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_stpr_NJ" xlink:href="https://xbrl.sec.gov/stpr/2024/stpr-2024.xsd#stpr_NJ"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_stpr_NJ" xlink:to="lab_stpr_NJ" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LienCategoryDomain_48bcd342-417f-43f5-8ed4-70c4c6e371ad_terseLabel_en-US" xlink:label="lab_us-gaap_LienCategoryDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lien Category [Domain]</link:label>
    <link:label id="lab_us-gaap_LienCategoryDomain_label_en-US" xlink:label="lab_us-gaap_LienCategoryDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lien Category [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LienCategoryDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LienCategoryDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LienCategoryDomain" xlink:to="lab_us-gaap_LienCategoryDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_OutstandingAggtErrCompAmt_terseLabel_en-US" xlink:label="lab_ecd_OutstandingAggtErrCompAmt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outstanding Aggregate Erroneous Compensation Amount</link:label>
    <link:label id="lab_ecd_OutstandingAggtErrCompAmt_label_en-US" xlink:label="lab_ecd_OutstandingAggtErrCompAmt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Outstanding Aggregate Erroneous Compensation Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_OutstandingAggtErrCompAmt" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_OutstandingAggtErrCompAmt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_OutstandingAggtErrCompAmt" xlink:to="lab_ecd_OutstandingAggtErrCompAmt" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MaturityDateOfMay2025Member_d03c9eb3-2f5b-4fe5-9a24-f9bb220e5299_terseLabel_en-US" xlink:label="lab_abr_MaturityDateOfMay2025Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity date of May 2025</link:label>
    <link:label id="lab_abr_MaturityDateOfMay2025Member_label_en-US" xlink:label="lab_abr_MaturityDateOfMay2025Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity date of May 2025</link:label>
    <link:label id="lab_abr_MaturityDateOfMay2025Member_documentation_en-US" xlink:label="lab_abr_MaturityDateOfMay2025Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for Maturity date of May 2025 [Member].</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MaturityDateOfMay2025Member" xlink:href="abr-20240930.xsd#abr_MaturityDateOfMay2025Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MaturityDateOfMay2025Member" xlink:to="lab_abr_MaturityDateOfMay2025Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_02ab3626-3d12-44d5-9a55-d7efb0b2512b_verboseLabel_en-US" xlink:label="lab_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Fair Value</link:label>
    <link:label id="lab_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_label_en-US" xlink:label="lab_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:to="lab_us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_stpr_NC_75b51343-63f4-47fc-a102-4cc27eacd49e_terseLabel_en-US" xlink:label="lab_stpr_NC" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">North Carolina</link:label>
    <link:label id="lab_stpr_NC_label_en-US" xlink:label="lab_stpr_NC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">NORTH CAROLINA</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_stpr_NC" xlink:href="https://xbrl.sec.gov/stpr/2024/stpr-2024.xsd#stpr_NC"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_stpr_NC" xlink:to="lab_stpr_NC" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_PropertyOperatingExpense_456240c0-73f6-4fde-bf64-9e5979f1686f_terseLabel_en-US" xlink:label="lab_abr_PropertyOperatingExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property operating expenses</link:label>
    <link:label id="lab_abr_PropertyOperatingExpense_1d24c1d8-1c81-44eb-a23e-a66ab0d88b98_verboseLabel_en-US" xlink:label="lab_abr_PropertyOperatingExpense" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Property operating expenses</link:label>
    <link:label id="lab_abr_PropertyOperatingExpense_label_en-US" xlink:label="lab_abr_PropertyOperatingExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property Operating Expense</link:label>
    <link:label id="lab_abr_PropertyOperatingExpense_documentation_en-US" xlink:label="lab_abr_PropertyOperatingExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Operating costs incurred during the reporting period and may include amounts paid to maintain the property.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_PropertyOperatingExpense" xlink:href="abr-20240930.xsd#abr_PropertyOperatingExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_PropertyOperatingExpense" xlink:to="lab_abr_PropertyOperatingExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_PeoActuallyPaidCompAmt_terseLabel_en-US" xlink:label="lab_ecd_PeoActuallyPaidCompAmt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">PEO Actually Paid Compensation Amount</link:label>
    <link:label id="lab_ecd_PeoActuallyPaidCompAmt_label_en-US" xlink:label="lab_ecd_PeoActuallyPaidCompAmt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">PEO Actually Paid Compensation Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_PeoActuallyPaidCompAmt" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_PeoActuallyPaidCompAmt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_PeoActuallyPaidCompAmt" xlink:to="lab_ecd_PeoActuallyPaidCompAmt" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AdjToCompAxis_terseLabel_en-US" xlink:label="lab_ecd_AdjToCompAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustment to Compensation:</link:label>
    <link:label id="lab_ecd_AdjToCompAxis_label_en-US" xlink:label="lab_ecd_AdjToCompAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment to Compensation [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AdjToCompAxis" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AdjToCompAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_AdjToCompAxis" xlink:to="lab_ecd_AdjToCompAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_3cdb8bc1-52f7-45c1-a15e-b383456526e1_verboseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net income attributable to noncontrolling interest</link:label>
    <link:label id="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_e62a9b0e-70df-4a6e-82f2-a041b08f5424_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income attributable to noncontrolling interest</link:label>
    <link:label id="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_label_en-US" xlink:label="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Loss) Attributable to Noncontrolling Interest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:to="lab_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_SingleFamilyMember_9f1d5bc2-a4c5-40a6-b78e-50562278bf1a_terseLabel_en-US" xlink:label="lab_srt_SingleFamilyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Single-Family Rental</link:label>
    <link:label id="lab_srt_SingleFamilyMember_label_en-US" xlink:label="lab_srt_SingleFamilyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Single Family [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SingleFamilyMember" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_SingleFamilyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_SingleFamilyMember" xlink:to="lab_srt_SingleFamilyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentQuarterlyReport_2e7b0cc4-13d2-4656-a8dc-2e72113ba9ce_terseLabel_en-US" xlink:label="lab_dei_DocumentQuarterlyReport" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Quarterly Report</link:label>
    <link:label id="lab_dei_DocumentQuarterlyReport_label_en-US" xlink:label="lab_dei_DocumentQuarterlyReport" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Quarterly Report</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentQuarterlyReport" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentQuarterlyReport"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentQuarterlyReport" xlink:to="lab_dei_DocumentQuarterlyReport" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_781c573e-4b57-4437-aebc-a2da7eee9af3_terseLabel_en-US" xlink:label="lab_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial liabilities:</link:label>
    <link:label id="lab_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract_label_en-US" xlink:label="lab_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Instruments, Financial Liabilities, Balance Sheet Groupings [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract" xlink:to="lab_us-gaap_FinancialInstrumentsFinancialLiabilitiesBalanceSheetGroupingsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SeriesDPreferredStockMember_f653519f-5547-4613-be19-d7a067c999f7_verboseLabel_en-US" xlink:label="lab_us-gaap_SeriesDPreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Preferred Stock, 6.375% Series D Cumulative Redeemable, par value $0.01 per share</link:label>
    <link:label id="lab_us-gaap_SeriesDPreferredStockMember_label_en-US" xlink:label="lab_us-gaap_SeriesDPreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Series D Preferred Stock [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeriesDPreferredStockMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SeriesDPreferredStockMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SeriesDPreferredStockMember" xlink:to="lab_us-gaap_SeriesDPreferredStockMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CollateralCashRequiredPerSecuritization_83872ca1-f7bd-496c-94b2-461c1a0ac7c7_terseLabel_en-US" xlink:label="lab_abr_CollateralCashRequiredPerSecuritization" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash collateral per securitization</link:label>
    <link:label id="lab_abr_CollateralCashRequiredPerSecuritization_label_en-US" xlink:label="lab_abr_CollateralCashRequiredPerSecuritization" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collateral Cash Required per Securitization</link:label>
    <link:label id="lab_abr_CollateralCashRequiredPerSecuritization_documentation_en-US" xlink:label="lab_abr_CollateralCashRequiredPerSecuritization" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Required amount of cash collateral held for each securitization.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CollateralCashRequiredPerSecuritization" xlink:href="abr-20240930.xsd#abr_CollateralCashRequiredPerSecuritization"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CollateralCashRequiredPerSecuritization" xlink:to="lab_abr_CollateralCashRequiredPerSecuritization" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableNonaccrualLoansProgressedToGreaterThanSixtyDaysPastDueDuringPeriod_1ed77135-90da-462f-b86d-ac087b14d500_negatedTerseLabel_en-US" xlink:label="lab_abr_FinancingReceivableNonaccrualLoansProgressedToGreaterThanSixtyDaysPastDueDuringPeriod" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Loans that progressed to greater than 60 days past due</link:label>
    <link:label id="lab_abr_FinancingReceivableNonaccrualLoansProgressedToGreaterThanSixtyDaysPastDueDuringPeriod_label_en-US" xlink:label="lab_abr_FinancingReceivableNonaccrualLoansProgressedToGreaterThanSixtyDaysPastDueDuringPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Nonaccrual, Loans Progressed To Greater Than Sixty Days Past Due During Period</link:label>
    <link:label id="lab_abr_FinancingReceivableNonaccrualLoansProgressedToGreaterThanSixtyDaysPastDueDuringPeriod_documentation_en-US" xlink:label="lab_abr_FinancingReceivableNonaccrualLoansProgressedToGreaterThanSixtyDaysPastDueDuringPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Nonaccrual, Loans Progressed To Greater Than Sixty Days Past Due During Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableNonaccrualLoansProgressedToGreaterThanSixtyDaysPastDueDuringPeriod" xlink:href="abr-20240930.xsd#abr_FinancingReceivableNonaccrualLoansProgressedToGreaterThanSixtyDaysPastDueDuringPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableNonaccrualLoansProgressedToGreaterThanSixtyDaysPastDueDuringPeriod" xlink:to="lab_abr_FinancingReceivableNonaccrualLoansProgressedToGreaterThanSixtyDaysPastDueDuringPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InterestExpenseOperating_eee74a39-666f-4d02-8a15-75e716b47c30_terseLabel_en-US" xlink:label="lab_us-gaap_InterestExpenseOperating" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest expense</link:label>
    <link:label id="lab_us-gaap_InterestExpenseOperating_label_en-US" xlink:label="lab_us-gaap_InterestExpenseOperating" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense, Operating</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseOperating" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseOperating"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpenseOperating" xlink:to="lab_us-gaap_InterestExpenseOperating" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationAmountAtParValue_c184b22d-bd2f-40d2-b215-a76f9a815f72_verboseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationAmountAtParValue" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">UPB</link:label>
    <link:label id="lab_us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationAmountAtParValue_b795ceb8-0583-44f4-af1a-57b5a95f6a5f_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationAmountAtParValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bridge loans, total UPB</link:label>
    <link:label id="lab_us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationAmountAtParValue_label_en-US" xlink:label="lab_us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationAmountAtParValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Purchased with Credit Deterioration, Amount at Par Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationAmountAtParValue" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationAmountAtParValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationAmountAtParValue" xlink:to="lab_us-gaap_FinancingReceivablePurchasedWithCreditDeteriorationAmountAtParValue" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_HoustonPropertiesMember_ddbec71b-5433-46f6-b32a-c750e76e8376_terseLabel_en-US" xlink:label="lab_abr_HoustonPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Houston Properties</link:label>
    <link:label id="lab_abr_HoustonPropertiesMember_label_en-US" xlink:label="lab_abr_HoustonPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Houston Properties [Member]</link:label>
    <link:label id="lab_abr_HoustonPropertiesMember_documentation_en-US" xlink:label="lab_abr_HoustonPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Houston Properties</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_HoustonPropertiesMember" xlink:href="abr-20240930.xsd#abr_HoustonPropertiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_HoustonPropertiesMember" xlink:to="lab_abr_HoustonPropertiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RealEstateOwnedAccumulatedDepreciation_cecd6a6b-0c89-4a38-bfa0-681b828f305a_negatedLabel_en-US" xlink:label="lab_us-gaap_RealEstateOwnedAccumulatedDepreciation" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Less: Accumulated depreciation and amortization</link:label>
    <link:label id="lab_us-gaap_RealEstateOwnedAccumulatedDepreciation_label_en-US" xlink:label="lab_us-gaap_RealEstateOwnedAccumulatedDepreciation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Owned, Accumulated Depreciation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateOwnedAccumulatedDepreciation" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RealEstateOwnedAccumulatedDepreciation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateOwnedAccumulatedDepreciation" xlink:to="lab_us-gaap_RealEstateOwnedAccumulatedDepreciation" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RestrictedCashAndCashEquivalents_17cf64a0-38f4-4815-8fa5-666c19c8a07e_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restricted cash</link:label>
    <link:label id="lab_us-gaap_RestrictedCashAndCashEquivalents_595b28f5-9dea-4c86-aba8-45b1c0bad27c_periodStartLabel_en-US" xlink:label="lab_us-gaap_RestrictedCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Restricted cash at beginning of period</link:label>
    <link:label id="lab_us-gaap_RestrictedCashAndCashEquivalents_f179c9a6-2a21-4459-a4e5-d4e02b11c231_periodEndLabel_en-US" xlink:label="lab_us-gaap_RestrictedCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Restricted cash at end of period</link:label>
    <link:label id="lab_us-gaap_RestrictedCashAndCashEquivalents_label_en-US" xlink:label="lab_us-gaap_RestrictedCashAndCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Cash and Cash Equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCashAndCashEquivalents" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedCashAndCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestrictedCashAndCashEquivalents" xlink:to="lab_us-gaap_RestrictedCashAndCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_PnsnAdjsSvcCstMember_terseLabel_en-US" xlink:label="lab_ecd_PnsnAdjsSvcCstMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pension Adjustments Service Cost</link:label>
    <link:label id="lab_ecd_PnsnAdjsSvcCstMember_label_en-US" xlink:label="lab_ecd_PnsnAdjsSvcCstMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension Adjustments Service Cost [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_PnsnAdjsSvcCstMember" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_PnsnAdjsSvcCstMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_PnsnAdjsSvcCstMember" xlink:to="lab_ecd_PnsnAdjsSvcCstMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_BridgeLoanOneMultifamilyPropertyMember_132c3902-6e4e-4dcd-8080-5e5c58005c14_terseLabel_en-US" xlink:label="lab_abr_BridgeLoanOneMultifamilyPropertyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bridge loan, one multifamily property</link:label>
    <link:label id="lab_abr_BridgeLoanOneMultifamilyPropertyMember_label_en-US" xlink:label="lab_abr_BridgeLoanOneMultifamilyPropertyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bridge loan, one multifamily property</link:label>
    <link:label id="lab_abr_BridgeLoanOneMultifamilyPropertyMember_documentation_en-US" xlink:label="lab_abr_BridgeLoanOneMultifamilyPropertyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Information pertaining to bridge loan used to purchase one multifamily property.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_BridgeLoanOneMultifamilyPropertyMember" xlink:href="abr-20240930.xsd#abr_BridgeLoanOneMultifamilyPropertyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_BridgeLoanOneMultifamilyPropertyMember" xlink:to="lab_abr_BridgeLoanOneMultifamilyPropertyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProceedsFromCollectionOfLoansHeldForSale_98878494-75e6-49ff-9b51-8592c95ad631_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromCollectionOfLoansHeldForSale" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payoffs and paydowns of loans held-for-sale</link:label>
    <link:label id="lab_us-gaap_ProceedsFromCollectionOfLoansHeldForSale_label_en-US" xlink:label="lab_us-gaap_ProceedsFromCollectionOfLoansHeldForSale" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Collection, Loan, Held-for-Sale</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromCollectionOfLoansHeldForSale" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromCollectionOfLoansHeldForSale"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromCollectionOfLoansHeldForSale" xlink:to="lab_us-gaap_ProceedsFromCollectionOfLoansHeldForSale" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfMortgageLoansHeldForSale_1c754b97-7d0a-4bbf-b8db-a49e17eb5991_verboseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfMortgageLoansHeldForSale" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Loan Sales</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfMortgageLoansHeldForSale_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfMortgageLoansHeldForSale" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale, Loan, Mortgage, Held-for-Sale</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfMortgageLoansHeldForSale" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromSaleOfMortgageLoansHeldForSale"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfMortgageLoansHeldForSale" xlink:to="lab_us-gaap_ProceedsFromSaleOfMortgageLoansHeldForSale" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_2058b468-0717-4138-9f1c-310bc3986d04_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party [Axis]</link:label>
    <link:label id="lab_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis_label_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related and Nonrelated Parties [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionsByRelatedPartyAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:to="lab_us-gaap_RelatedPartyTransactionsByRelatedPartyAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_46df46d7-0baf-4834-9079-a072f2891529_terseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic (in shares)</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_78cbffd4-2e5e-4485-addb-730a9da9d11b_verboseLabel_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Weighted average shares outstanding (in shares)</link:label>
    <link:label id="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_label_en-US" xlink:label="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Basic</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="lab_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_StkPrcOrTsrEstimationMethodTextBlock_terseLabel_en-US" xlink:label="lab_ecd_StkPrcOrTsrEstimationMethodTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock Price or TSR Estimation Method</link:label>
    <link:label id="lab_ecd_StkPrcOrTsrEstimationMethodTextBlock_label_en-US" xlink:label="lab_ecd_StkPrcOrTsrEstimationMethodTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Price or TSR Estimation Method [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_StkPrcOrTsrEstimationMethodTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_StkPrcOrTsrEstimationMethodTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_StkPrcOrTsrEstimationMethodTextBlock" xlink:to="lab_ecd_StkPrcOrTsrEstimationMethodTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PrepaymentFeesOnAdvancesNet_86af35a6-8328-4db4-8a34-6bab500a9408_terseLabel_en-US" xlink:label="lab_us-gaap_PrepaymentFeesOnAdvancesNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prepayment fees</link:label>
    <link:label id="lab_us-gaap_PrepaymentFeesOnAdvancesNet_label_en-US" xlink:label="lab_us-gaap_PrepaymentFeesOnAdvancesNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Prepayment Fees on Advances, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PrepaymentFeesOnAdvancesNet" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PrepaymentFeesOnAdvancesNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PrepaymentFeesOnAdvancesNet" xlink:to="lab_us-gaap_PrepaymentFeesOnAdvancesNet" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentInformationTable_4b993fc1-1d46-43da-8050-77120c89fb41_terseLabel_en-US" xlink:label="lab_dei_DocumentInformationTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Information [Table]</link:label>
    <link:label id="lab_dei_DocumentInformationTable_label_en-US" xlink:label="lab_dei_DocumentInformationTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Information [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentInformationTable" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentInformationTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentInformationTable" xlink:to="lab_dei_DocumentInformationTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_37a7135f-6ef4-451c-8e68-c1f4c63a4a08_totalLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total equity</link:label>
    <link:label id="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_a3d3fad5-36d1-4c8e-897e-772bdace1f85_periodStartLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Balance beginning</link:label>
    <link:label id="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_3114432b-7645-4ec5-9b76-f0b44b47391c_periodEndLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Balance ending</link:label>
    <link:label id="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity, Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RealEstateTable_2ba3c181-3a6d-430f-9268-14ae3a7f9f05_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real Estate [Table]</link:label>
    <link:label id="lab_us-gaap_RealEstateTable_label_en-US" xlink:label="lab_us-gaap_RealEstateTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateTable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RealEstateTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateTable" xlink:to="lab_us-gaap_RealEstateTable" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableLoansModifiedInPeriodRateCapStrikePricePercentage_741b5962-ab96-469a-a46b-ee282b537ce2_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableLoansModifiedInPeriodRateCapStrikePricePercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rate cap strike price, percentage</link:label>
    <link:label id="lab_abr_FinancingReceivableLoansModifiedInPeriodRateCapStrikePricePercentage_label_en-US" xlink:label="lab_abr_FinancingReceivableLoansModifiedInPeriodRateCapStrikePricePercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Loans Modified In Period, Rate Cap Strike Price, Percentage</link:label>
    <link:label id="lab_abr_FinancingReceivableLoansModifiedInPeriodRateCapStrikePricePercentage_documentation_en-US" xlink:label="lab_abr_FinancingReceivableLoansModifiedInPeriodRateCapStrikePricePercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Loans Modified In Period, Rate Cap Strike Price, Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableLoansModifiedInPeriodRateCapStrikePricePercentage" xlink:href="abr-20240930.xsd#abr_FinancingReceivableLoansModifiedInPeriodRateCapStrikePricePercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableLoansModifiedInPeriodRateCapStrikePricePercentage" xlink:to="lab_abr_FinancingReceivableLoansModifiedInPeriodRateCapStrikePricePercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_stpr_NY_d45f1a19-073b-430d-ba00-61bf30628fab_terseLabel_en-US" xlink:label="lab_stpr_NY" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">New York</link:label>
    <link:label id="lab_stpr_NY_label_en-US" xlink:label="lab_stpr_NY" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">NEW YORK</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_stpr_NY" xlink:href="https://xbrl.sec.gov/stpr/2024/stpr-2024.xsd#stpr_NY"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_stpr_NY" xlink:to="lab_stpr_NY" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AwardsCloseToMnpiDiscIndName_terseLabel_en-US" xlink:label="lab_ecd_AwardsCloseToMnpiDiscIndName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Name</link:label>
    <link:label id="lab_ecd_AwardsCloseToMnpiDiscIndName_label_en-US" xlink:label="lab_ecd_AwardsCloseToMnpiDiscIndName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Awards Close in Time to MNPI Disclosures, Individual Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AwardsCloseToMnpiDiscIndName" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AwardsCloseToMnpiDiscIndName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_AwardsCloseToMnpiDiscIndName" xlink:to="lab_ecd_AwardsCloseToMnpiDiscIndName" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_TransferOfOtherRealEstate_95bb6b2b-962a-42b2-abe7-1f6c1e810575_terseLabel_en-US" xlink:label="lab_us-gaap_TransferOfOtherRealEstate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derecognition of real estate owned</link:label>
    <link:label id="lab_us-gaap_TransferOfOtherRealEstate_label_en-US" xlink:label="lab_us-gaap_TransferOfOtherRealEstate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Owned, Transfer from Real Estate Owned</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransferOfOtherRealEstate" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TransferOfOtherRealEstate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TransferOfOtherRealEstate" xlink:to="lab_us-gaap_TransferOfOtherRealEstate" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityFourteenLoansMember_0cf96846-9bf2-42e4-a532-5f5477fea6ff_terseLabel_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityFourteenLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief And Extended Maturity, Fourteen Loans</link:label>
    <link:label id="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityFourteenLoansMember_label_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityFourteenLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief And Extended Maturity, Fourteen Loans [Member]</link:label>
    <link:label id="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityFourteenLoansMember_documentation_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityFourteenLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief And Extended Maturity, Fourteen Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_TemporaryInterestRateReliefAndExtendedMaturityFourteenLoansMember" xlink:href="abr-20240930.xsd#abr_TemporaryInterestRateReliefAndExtendedMaturityFourteenLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_TemporaryInterestRateReliefAndExtendedMaturityFourteenLoansMember" xlink:to="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityFourteenLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityFilerCategory_b0069c72-ff52-416b-b1a5-f72b9eddd81b_terseLabel_en-US" xlink:label="lab_dei_EntityFilerCategory" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Filer Category</link:label>
    <link:label id="lab_dei_EntityFilerCategory_label_en-US" xlink:label="lab_dei_EntityFilerCategory" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Filer Category</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityFilerCategory"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityFilerCategory" xlink:to="lab_dei_EntityFilerCategory" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LossContingenciesLineItems_4019de0d-fd0c-48a5-9f9b-93822ef6a809_verboseLabel_en-US" xlink:label="lab_us-gaap_LossContingenciesLineItems" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Allowance for Loss</link:label>
    <link:label id="lab_us-gaap_LossContingenciesLineItems_label_en-US" xlink:label="lab_us-gaap_LossContingenciesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Contingencies [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingenciesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingenciesLineItems" xlink:to="lab_us-gaap_LossContingenciesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableModifiedInPeriodAccrualRateBasisSpreadOnVariableRate_e494f38c-a565-498e-908a-4583fa507c6a_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableModifiedInPeriodAccrualRateBasisSpreadOnVariableRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans modified in period, floor interest rate spread</link:label>
    <link:label id="lab_abr_FinancingReceivableModifiedInPeriodAccrualRateBasisSpreadOnVariableRate_label_en-US" xlink:label="lab_abr_FinancingReceivableModifiedInPeriodAccrualRateBasisSpreadOnVariableRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Modified In Period, Accrual Rate, Basis Spread On Variable Rate</link:label>
    <link:label id="lab_abr_FinancingReceivableModifiedInPeriodAccrualRateBasisSpreadOnVariableRate_documentation_en-US" xlink:label="lab_abr_FinancingReceivableModifiedInPeriodAccrualRateBasisSpreadOnVariableRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Modified In Period, Accrual Rate, Basis Spread On Variable Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableModifiedInPeriodAccrualRateBasisSpreadOnVariableRate" xlink:href="abr-20240930.xsd#abr_FinancingReceivableModifiedInPeriodAccrualRateBasisSpreadOnVariableRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableModifiedInPeriodAccrualRateBasisSpreadOnVariableRate" xlink:to="lab_abr_FinancingReceivableModifiedInPeriodAccrualRateBasisSpreadOnVariableRate" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_DebtInstrumentConvertibleRepurchasePercentage_7d3ee484-0eba-4406-9465-9ae3e187f63e_terseLabel_en-US" xlink:label="lab_abr_DebtInstrumentConvertibleRepurchasePercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of notes required to be repurchased if the agreement is fundamentally changed</link:label>
    <link:label id="lab_abr_DebtInstrumentConvertibleRepurchasePercentage_label_en-US" xlink:label="lab_abr_DebtInstrumentConvertibleRepurchasePercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Convertible, Repurchase, Percentage</link:label>
    <link:label id="lab_abr_DebtInstrumentConvertibleRepurchasePercentage_documentation_en-US" xlink:label="lab_abr_DebtInstrumentConvertibleRepurchasePercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of the principal amount of the Notes required to be repurchased if the agreement is fundamentally changed.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_DebtInstrumentConvertibleRepurchasePercentage" xlink:href="abr-20240930.xsd#abr_DebtInstrumentConvertibleRepurchasePercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_DebtInstrumentConvertibleRepurchasePercentage" xlink:to="lab_abr_DebtInstrumentConvertibleRepurchasePercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ConversionOfMortgageLoansToMezzanineLoans_e4adeb2e-e9e0-42dc-a18e-6f15395bb935_terseLabel_en-US" xlink:label="lab_abr_ConversionOfMortgageLoansToMezzanineLoans" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">UPB converted to a mezzanine loan</link:label>
    <link:label id="lab_abr_ConversionOfMortgageLoansToMezzanineLoans_label_en-US" xlink:label="lab_abr_ConversionOfMortgageLoansToMezzanineLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Conversion of Mortgage Loans to Mezzanine Loans</link:label>
    <link:label id="lab_abr_ConversionOfMortgageLoansToMezzanineLoans_documentation_en-US" xlink:label="lab_abr_ConversionOfMortgageLoansToMezzanineLoans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of mortgage loans converted to mezzanine loans during the reporting period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ConversionOfMortgageLoansToMezzanineLoans" xlink:href="abr-20240930.xsd#abr_ConversionOfMortgageLoansToMezzanineLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ConversionOfMortgageLoansToMezzanineLoans" xlink:to="lab_abr_ConversionOfMortgageLoansToMezzanineLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SevenBPieceBondsMember_d9c496c3-e207-42e2-83fc-2244e85a8063_terseLabel_en-US" xlink:label="lab_abr_SevenBPieceBondsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Seven B Piece Bonds</link:label>
    <link:label id="lab_abr_SevenBPieceBondsMember_label_en-US" xlink:label="lab_abr_SevenBPieceBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Seven B Piece Bonds [Member]</link:label>
    <link:label id="lab_abr_SevenBPieceBondsMember_documentation_en-US" xlink:label="lab_abr_SevenBPieceBondsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to seven B piece bonds.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SevenBPieceBondsMember" xlink:href="abr-20240930.xsd#abr_SevenBPieceBondsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SevenBPieceBondsMember" xlink:to="lab_abr_SevenBPieceBondsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LoansReceivableHeldForSaleUnearnedDiscount_8abc6823-4d0d-40eb-8d15-03ca5936449c_negatedLabel_en-US" xlink:label="lab_abr_LoansReceivableHeldForSaleUnearnedDiscount" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Unearned discount</link:label>
    <link:label id="lab_abr_LoansReceivableHeldForSaleUnearnedDiscount_label_en-US" xlink:label="lab_abr_LoansReceivableHeldForSaleUnearnedDiscount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Receivable Held-for-sale, Unearned Discount</link:label>
    <link:label id="lab_abr_LoansReceivableHeldForSaleUnearnedDiscount_documentation_en-US" xlink:label="lab_abr_LoansReceivableHeldForSaleUnearnedDiscount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of unearned discount of loan receivable held-for-sale.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LoansReceivableHeldForSaleUnearnedDiscount" xlink:href="abr-20240930.xsd#abr_LoansReceivableHeldForSaleUnearnedDiscount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LoansReceivableHeldForSaleUnearnedDiscount" xlink:to="lab_abr_LoansReceivableHeldForSaleUnearnedDiscount" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_StructuredTransactionBusinessSegmentMember_3c4d9b91-4278-4da4-b223-e2341a50bfe4_terseLabel_en-US" xlink:label="lab_abr_StructuredTransactionBusinessSegmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Structured Business</link:label>
    <link:label id="lab_abr_StructuredTransactionBusinessSegmentMember_label_en-US" xlink:label="lab_abr_StructuredTransactionBusinessSegmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Structured Transaction Business Segment [Member]</link:label>
    <link:label id="lab_abr_StructuredTransactionBusinessSegmentMember_documentation_en-US" xlink:label="lab_abr_StructuredTransactionBusinessSegmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member represents the information pertaining to structured transaction business segment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_StructuredTransactionBusinessSegmentMember" xlink:href="abr-20240930.xsd#abr_StructuredTransactionBusinessSegmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_StructuredTransactionBusinessSegmentMember" xlink:to="lab_abr_StructuredTransactionBusinessSegmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_RangeMember_b1f662af-a0f3-4875-b6dc-5047cf45566c_terseLabel_en-US" xlink:label="lab_srt_RangeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Domain]</link:label>
    <link:label id="lab_srt_RangeMember_label_en-US" xlink:label="lab_srt_RangeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statistical Measurement [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RangeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RangeMember" xlink:to="lab_srt_RangeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_UnrealizedImpairmentLoss_987b7b7b-70a1-4337-826f-c0079bca1a16_negatedLabel_en-US" xlink:label="lab_abr_UnrealizedImpairmentLoss" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Unrealized Impairment Loss</link:label>
    <link:label id="lab_abr_UnrealizedImpairmentLoss_label_en-US" xlink:label="lab_abr_UnrealizedImpairmentLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrealized Impairment Loss</link:label>
    <link:label id="lab_abr_UnrealizedImpairmentLoss_documentation_en-US" xlink:label="lab_abr_UnrealizedImpairmentLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of unrealized impairment losses during the period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_UnrealizedImpairmentLoss" xlink:href="abr-20240930.xsd#abr_UnrealizedImpairmentLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_UnrealizedImpairmentLoss" xlink:to="lab_abr_UnrealizedImpairmentLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_BridgeMember_959fa312-8197-4175-9694-2b3ee4bda77d_terseLabel_en-US" xlink:label="lab_abr_BridgeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bridge</link:label>
    <link:label id="lab_abr_BridgeMember_label_en-US" xlink:label="lab_abr_BridgeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bridge</link:label>
    <link:label id="lab_abr_BridgeMember_documentation_en-US" xlink:label="lab_abr_BridgeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The member represents the information pertaining to bridge.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_BridgeMember" xlink:href="abr-20240930.xsd#abr_BridgeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_BridgeMember" xlink:to="lab_abr_BridgeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff_f221bd71-61a3-49ce-8d9e-1ed377e9d22f_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Charge-offs, Year Four</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Excluding Accrued Interest, Year Four, Originated, Three Years before Current Fiscal Year, Writeoff</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff" xlink:to="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativesFairValueLineItems_c186e697-bd87-431b-b2ee-f7790a5b7692_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativesFairValueLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Financial Instruments</link:label>
    <link:label id="lab_us-gaap_DerivativesFairValueLineItems_label_en-US" xlink:label="lab_us-gaap_DerivativesFairValueLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivatives, Fair Value [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativesFairValueLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativesFairValueLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativesFairValueLineItems" xlink:to="lab_us-gaap_DerivativesFairValueLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtSecuritiesMember_b495383f-f6d1-41c0-82a2-e3b389273927_terseLabel_en-US" xlink:label="lab_us-gaap_DebtSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans</link:label>
    <link:label id="lab_us-gaap_DebtSecuritiesMember_label_en-US" xlink:label="lab_us-gaap_DebtSecuritiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Securities [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtSecuritiesMember" xlink:to="lab_us-gaap_DebtSecuritiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PastDueFinancingReceivablesTableTextBlock_747f1d1b-03be-4fc2-b2c1-fbad31b611bb_verboseLabel_en-US" xlink:label="lab_us-gaap_PastDueFinancingReceivablesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Non-Performing Loans by Asset Class</link:label>
    <link:label id="lab_us-gaap_PastDueFinancingReceivablesTableTextBlock_label_en-US" xlink:label="lab_us-gaap_PastDueFinancingReceivablesTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Past Due [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PastDueFinancingReceivablesTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PastDueFinancingReceivablesTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PastDueFinancingReceivablesTableTextBlock" xlink:to="lab_us-gaap_PastDueFinancingReceivablesTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LossContingencyAccrualDisclosuresAbstract_93255892-d7aa-4e5e-a4a8-aba499484139_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingencyAccrualDisclosuresAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss Contingency Accrual, Disclosures [Abstract]</link:label>
    <link:label id="lab_us-gaap_LossContingencyAccrualDisclosuresAbstract_label_en-US" xlink:label="lab_us-gaap_LossContingencyAccrualDisclosuresAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Contingency Accrual, Disclosures [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyAccrualDisclosuresAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingencyAccrualDisclosuresAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingencyAccrualDisclosuresAbstract" xlink:to="lab_us-gaap_LossContingencyAccrualDisclosuresAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_DirectorMember_ec24bc41-6829-4228-9e4f-fe6e608fbcf5_terseLabel_en-US" xlink:label="lab_srt_DirectorMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Director</link:label>
    <link:label id="lab_srt_DirectorMember_label_en-US" xlink:label="lab_srt_DirectorMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Director [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_DirectorMember" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_DirectorMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_DirectorMember" xlink:to="lab_srt_DirectorMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable_a82650a8-b3bf-44f4-a52d-40eba5be70be_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits, by Title of Individual and by Type of Deferred Compensation [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Compensation Arrangement with Individual, Excluding Share-Based Payment and Postretirement Benefit [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfDeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsByTitleOfIndividualAndByTypeOfDeferredCompensationTable"/>
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    <link:label id="lab_us-gaap_LoanRestructuringModificationAxis_2ac145ad-0643-454b-8e0b-a797ed34a374_terseLabel_en-US" xlink:label="lab_us-gaap_LoanRestructuringModificationAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan Restructuring Modification [Axis]</link:label>
    <link:label id="lab_us-gaap_LoanRestructuringModificationAxis_label_en-US" xlink:label="lab_us-gaap_LoanRestructuringModificationAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan Restructuring Modification [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoanRestructuringModificationAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LoanRestructuringModificationAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoanRestructuringModificationAxis" xlink:to="lab_us-gaap_LoanRestructuringModificationAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InternalCreditAssessmentAxis_b2602ef2-2400-4243-afa5-635936e3ec6e_terseLabel_en-US" xlink:label="lab_us-gaap_InternalCreditAssessmentAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Internal Credit Assessment [Axis]</link:label>
    <link:label id="lab_us-gaap_InternalCreditAssessmentAxis_label_en-US" xlink:label="lab_us-gaap_InternalCreditAssessmentAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Internal Credit Assessment [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InternalCreditAssessmentAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InternalCreditAssessmentAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InternalCreditAssessmentAxis" xlink:to="lab_us-gaap_InternalCreditAssessmentAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SegmentReportingInformationLineItems_3c54a703-1bed-4d8b-9b91-78e41f857e85_terseLabel_en-US" xlink:label="lab_us-gaap_SegmentReportingInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segment Information</link:label>
    <link:label id="lab_us-gaap_SegmentReportingInformationLineItems_label_en-US" xlink:label="lab_us-gaap_SegmentReportingInformationLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segment Reporting Information [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems" xlink:to="lab_us-gaap_SegmentReportingInformationLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AllTradingArrangementsMember_terseLabel_en-US" xlink:label="lab_ecd_AllTradingArrangementsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">All Trading Arrangements</link:label>
    <link:label id="lab_ecd_AllTradingArrangementsMember_label_en-US" xlink:label="lab_ecd_AllTradingArrangementsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">All Trading Arrangements [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AllTradingArrangementsMember" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AllTradingArrangementsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_AllTradingArrangementsMember" xlink:to="lab_ecd_AllTradingArrangementsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_HeldToMaturitySecuritiesMaturity_cece04a7-b8d6-4328-86ed-9b31c087e639_terseLabel_en-US" xlink:label="lab_abr_HeldToMaturitySecuritiesMaturity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Securities maturity term</link:label>
    <link:label id="lab_abr_HeldToMaturitySecuritiesMaturity_label_en-US" xlink:label="lab_abr_HeldToMaturitySecuritiesMaturity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held To Maturity Securities Maturity</link:label>
    <link:label id="lab_abr_HeldToMaturitySecuritiesMaturity_documentation_en-US" xlink:label="lab_abr_HeldToMaturitySecuritiesMaturity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The term of held to maturity securities maturity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_HeldToMaturitySecuritiesMaturity" xlink:href="abr-20240930.xsd#abr_HeldToMaturitySecuritiesMaturity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_HeldToMaturitySecuritiesMaturity" xlink:to="lab_abr_HeldToMaturitySecuritiesMaturity" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_CompActuallyPaidVsNetIncomeTextBlock_terseLabel_en-US" xlink:label="lab_ecd_CompActuallyPaidVsNetIncomeTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Compensation Actually Paid vs. Net Income</link:label>
    <link:label id="lab_ecd_CompActuallyPaidVsNetIncomeTextBlock_label_en-US" xlink:label="lab_ecd_CompActuallyPaidVsNetIncomeTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Compensation Actually Paid vs. Net Income [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_CompActuallyPaidVsNetIncomeTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_CompActuallyPaidVsNetIncomeTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_CompActuallyPaidVsNetIncomeTextBlock" xlink:to="lab_ecd_CompActuallyPaidVsNetIncomeTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_6e4e2b92-9eb9-48cb-ac6a-8bbc58145e16_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Earnings Per Share, Basic and Diluted</link:label>
    <link:label id="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowings_e128e927-1818-4554-8a3d-20a706cbf3ad_terseLabel_en-US" xlink:label="lab_abr_SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit and repurchase facilities</link:label>
    <link:label id="lab_abr_SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowings_05b09e5d-e81c-4e41-9a84-a12721447014_verboseLabel_en-US" xlink:label="lab_abr_SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowings" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Debt Carrying Value</link:label>
    <link:label id="lab_abr_SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowings_label_en-US" xlink:label="lab_abr_SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured Debt Repurchase Agreements and Warehouse Agreement Borrowings</link:label>
    <link:label id="lab_abr_SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowings_documentation_en-US" xlink:label="lab_abr_SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowings" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Carrying value as of the balance sheet date, of securities sold under agreements to repurchase and the carrying value, as of the balance sheet date, of the outstanding borrowings under warehouse and revolving lines of credit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowings" xlink:href="abr-20240930.xsd#abr_SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowings" xlink:to="lab_abr_SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_f7d2a3e2-d0ad-4223-a53c-3b1a44d5498f_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vesting period (in years)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_e9bb5dd0-570f-4b54-b214-af1aa6cfa1d3_terseLabel_en-US" xlink:label="lab_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidated VIEs</link:label>
    <link:label id="lab_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_label_en-US" xlink:label="lab_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Interest Entity, Primary Beneficiary [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:to="lab_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_JTPrimeMember_06e4460e-3a8b-47d5-a540-fe4f918dee2f_terseLabel_en-US" xlink:label="lab_abr_JTPrimeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">JT Prime</link:label>
    <link:label id="lab_abr_JTPrimeMember_label_en-US" xlink:label="lab_abr_JTPrimeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">JT Prime [Member]</link:label>
    <link:label id="lab_abr_JTPrimeMember_documentation_en-US" xlink:label="lab_abr_JTPrimeMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the investment in JT Prime, an equity affiliate of the entity accounted under the equity method of accounting.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_JTPrimeMember" xlink:href="abr-20240930.xsd#abr_JTPrimeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_JTPrimeMember" xlink:to="lab_abr_JTPrimeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_WeightedAverageRemainingMaturityPeriod_3ee6dde5-2bb1-4425-b709-856cd05730db_terseLabel_en-US" xlink:label="lab_abr_WeightedAverageRemainingMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated weighted average remaining maturity period</link:label>
    <link:label id="lab_abr_WeightedAverageRemainingMaturityPeriod_label_en-US" xlink:label="lab_abr_WeightedAverageRemainingMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Remaining Maturity Period</link:label>
    <link:label id="lab_abr_WeightedAverageRemainingMaturityPeriod_documentation_en-US" xlink:label="lab_abr_WeightedAverageRemainingMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The weighted average remaining maturity period.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_WeightedAverageRemainingMaturityPeriod" xlink:href="abr-20240930.xsd#abr_WeightedAverageRemainingMaturityPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_WeightedAverageRemainingMaturityPeriod" xlink:to="lab_abr_WeightedAverageRemainingMaturityPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_Rule10b51ArrAdoptedFlag_terseLabel_en-US" xlink:label="lab_ecd_Rule10b51ArrAdoptedFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rule 10b5-1 Arrangement Adopted</link:label>
    <link:label id="lab_ecd_Rule10b51ArrAdoptedFlag_label_en-US" xlink:label="lab_ecd_Rule10b51ArrAdoptedFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Rule 10b5-1 Arrangement Adopted [Flag]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_Rule10b51ArrAdoptedFlag" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_Rule10b51ArrAdoptedFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_Rule10b51ArrAdoptedFlag" xlink:to="lab_ecd_Rule10b51ArrAdoptedFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AwardsCloseToMnpiDiscTable_terseLabel_en-US" xlink:label="lab_ecd_AwardsCloseToMnpiDiscTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Awards Close in Time to MNPI Disclosures</link:label>
    <link:label id="lab_ecd_AwardsCloseToMnpiDiscTable_label_en-US" xlink:label="lab_ecd_AwardsCloseToMnpiDiscTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Awards Close in Time to MNPI Disclosures [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AwardsCloseToMnpiDiscTable" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AwardsCloseToMnpiDiscTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_AwardsCloseToMnpiDiscTable" xlink:to="lab_ecd_AwardsCloseToMnpiDiscTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeTaxesPaidNet_e212a6ca-91c5-4d00-97ef-1c2cf3134119_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash used to pay taxes</link:label>
    <link:label id="lab_us-gaap_IncomeTaxesPaidNet_label_en-US" xlink:label="lab_us-gaap_IncomeTaxesPaidNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Taxes Paid, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxesPaidNet" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxesPaidNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxesPaidNet" xlink:to="lab_us-gaap_IncomeTaxesPaidNet" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_OvercollateralizationRatioCovenantCompliance_c2cffa47-5b48-43a9-a1e9-b27602cec547_terseLabel_en-US" xlink:label="lab_abr_OvercollateralizationRatioCovenantCompliance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Limit</link:label>
    <link:label id="lab_abr_OvercollateralizationRatioCovenantCompliance_label_en-US" xlink:label="lab_abr_OvercollateralizationRatioCovenantCompliance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Overcollateralization Ratio, Covenant Compliance</link:label>
    <link:label id="lab_abr_OvercollateralizationRatioCovenantCompliance_documentation_en-US" xlink:label="lab_abr_OvercollateralizationRatioCovenantCompliance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the overcollateralization ratio required to be maintained under covenant compliance. Overcollateralization ratio is calculated by dividing the total principal balance of all collateral in the CDO by the total principal balance of the bonds associated with the applicable ratio.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_OvercollateralizationRatioCovenantCompliance" xlink:href="abr-20240930.xsd#abr_OvercollateralizationRatioCovenantCompliance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_OvercollateralizationRatioCovenantCompliance" xlink:to="lab_abr_OvercollateralizationRatioCovenantCompliance" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtInstrumentConvertibleConversionRatio1_818e25df-08f5-4a82-a4be-a1673b5b8f85_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleConversionRatio1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Conversion rate of the notes to common stock, per $1,000 principal amount of notes</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentConvertibleConversionRatio1_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentConvertibleConversionRatio1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Convertible, Conversion Ratio</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentConvertibleConversionRatio1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentConvertibleConversionRatio1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentConvertibleConversionRatio1" xlink:to="lab_us-gaap_DebtInstrumentConvertibleConversionRatio1" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RepaymentOfSecuredLoanObligations_c35eb235-5a48-4cd2-ad70-536a8dc983be_negatedLabel_en-US" xlink:label="lab_abr_RepaymentOfSecuredLoanObligations" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payoffs and paydowns of securitized debt</link:label>
    <link:label id="lab_abr_RepaymentOfSecuredLoanObligations_label_en-US" xlink:label="lab_abr_RepaymentOfSecuredLoanObligations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repayment Of Secured Loan Obligations</link:label>
    <link:label id="lab_abr_RepaymentOfSecuredLoanObligations_documentation_en-US" xlink:label="lab_abr_RepaymentOfSecuredLoanObligations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The cash outflow to repay the long term loans which are wholly or partially secured by collateral.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RepaymentOfSecuredLoanObligations" xlink:href="abr-20240930.xsd#abr_RepaymentOfSecuredLoanObligations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RepaymentOfSecuredLoanObligations" xlink:to="lab_abr_RepaymentOfSecuredLoanObligations" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EquityMethodInvestments_6d407872-ac3d-484f-bdca-f4d597052af0_terseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity investment</link:label>
    <link:label id="lab_us-gaap_EquityMethodInvestments_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestments" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityMethodInvestments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestments" xlink:to="lab_us-gaap_EquityMethodInvestments" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_PayVsPerformanceDisclosureLineItems_label_en-US" xlink:label="lab_ecd_PayVsPerformanceDisclosureLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pay vs Performance Disclosure [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_PayVsPerformanceDisclosureLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_PayVsPerformanceDisclosureLineItems" xlink:to="lab_ecd_PayVsPerformanceDisclosureLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableNonaccrualInterestIncome_319bbbb4-3c7d-4d2c-99bc-8f497eaa25f4_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableNonaccrualInterestIncome" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest income recognized on nonaccrual loans</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableNonaccrualInterestIncome_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableNonaccrualInterestIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Nonaccrual, Interest Income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableNonaccrualInterestIncome" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableNonaccrualInterestIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableNonaccrualInterestIncome" xlink:to="lab_us-gaap_FinancingReceivableNonaccrualInterestIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_PeerGroupTotalShareholderRtnAmt_terseLabel_en-US" xlink:label="lab_ecd_PeerGroupTotalShareholderRtnAmt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Peer Group Total Shareholder Return Amount</link:label>
    <link:label id="lab_ecd_PeerGroupTotalShareholderRtnAmt_label_en-US" xlink:label="lab_ecd_PeerGroupTotalShareholderRtnAmt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Peer Group Total Shareholder Return Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_PeerGroupTotalShareholderRtnAmt" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_PeerGroupTotalShareholderRtnAmt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_PeerGroupTotalShareholderRtnAmt" xlink:to="lab_ecd_PeerGroupTotalShareholderRtnAmt" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RelatedPartyTransactionSharesHeldByRelatedParty_d0a21bfd-f154-4c0a-b6c4-6f01404b3c0b_terseLabel_en-US" xlink:label="lab_abr_RelatedPartyTransactionSharesHeldByRelatedParty" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of shares held by related party (in shares)</link:label>
    <link:label id="lab_abr_RelatedPartyTransactionSharesHeldByRelatedParty_label_en-US" xlink:label="lab_abr_RelatedPartyTransactionSharesHeldByRelatedParty" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transaction, Shares Held by Related Party</link:label>
    <link:label id="lab_abr_RelatedPartyTransactionSharesHeldByRelatedParty_documentation_en-US" xlink:label="lab_abr_RelatedPartyTransactionSharesHeldByRelatedParty" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the number of common shares held by a related party.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RelatedPartyTransactionSharesHeldByRelatedParty" xlink:href="abr-20240930.xsd#abr_RelatedPartyTransactionSharesHeldByRelatedParty"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RelatedPartyTransactionSharesHeldByRelatedParty" xlink:to="lab_abr_RelatedPartyTransactionSharesHeldByRelatedParty" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedPaymentArrangementEmployeeMember_b92548ec-6faf-4fd9-897e-a44036aebd23_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedPaymentArrangementEmployeeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employees</link:label>
    <link:label id="lab_us-gaap_ShareBasedPaymentArrangementEmployeeMember_label_en-US" xlink:label="lab_us-gaap_ShareBasedPaymentArrangementEmployeeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Payment Arrangement, Employee [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedPaymentArrangementEmployeeMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedPaymentArrangementEmployeeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedPaymentArrangementEmployeeMember" xlink:to="lab_us-gaap_ShareBasedPaymentArrangementEmployeeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeTaxContingencyTable_9c2dcd1a-bbcd-4a53-9766-d8a4df8c93ba_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxContingencyTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Tax Contingency [Table]</link:label>
    <link:label id="lab_us-gaap_IncomeTaxContingencyTable_label_en-US" xlink:label="lab_us-gaap_IncomeTaxContingencyTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Contingency [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxContingencyTable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxContingencyTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxContingencyTable" xlink:to="lab_us-gaap_IncomeTaxContingencyTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IntangibleAssetsNetIncludingGoodwill_281a2536-bafa-44bb-860c-e946fde4a5ee_terseLabel_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetIncludingGoodwill" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Goodwill and other intangible assets</link:label>
    <link:label id="lab_us-gaap_IntangibleAssetsNetIncludingGoodwill_label_en-US" xlink:label="lab_us-gaap_IntangibleAssetsNetIncludingGoodwill" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intangible Assets, Net (Including Goodwill)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetIncludingGoodwill" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IntangibleAssetsNetIncludingGoodwill"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IntangibleAssetsNetIncludingGoodwill" xlink:to="lab_us-gaap_IntangibleAssetsNetIncludingGoodwill" xlink:type="arc" order="1"/>
    <link:label id="lab_stpr_TX_fb2804ff-4dc7-4284-9743-451b8c06fe43_terseLabel_en-US" xlink:label="lab_stpr_TX" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Texas</link:label>
    <link:label id="lab_stpr_TX_label_en-US" xlink:label="lab_stpr_TX" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">TEXAS</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_stpr_TX" xlink:href="https://xbrl.sec.gov/stpr/2024/stpr-2024.xsd#stpr_TX"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_stpr_TX" xlink:to="lab_stpr_TX" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_f071e13b-b836-4d4d-86dd-20d577a25ff3_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Non-Qualifying Derivative Financial Instruments</link:label>
    <link:label id="lab_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" xlink:to="lab_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ForwardSaleCommitmentsMember_d4a242db-488e-4f4b-a7fb-bda78e691362_terseLabel_en-US" xlink:label="lab_abr_ForwardSaleCommitmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forward sale commitments</link:label>
    <link:label id="lab_abr_ForwardSaleCommitmentsMember_cf38ab42-1468-4ecc-8664-d927ce4e9ec7_verboseLabel_en-US" xlink:label="lab_abr_ForwardSaleCommitmentsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Forward sale commitments</link:label>
    <link:label id="lab_abr_ForwardSaleCommitmentsMember_label_en-US" xlink:label="lab_abr_ForwardSaleCommitmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forward Sale Commitments [Member]</link:label>
    <link:label id="lab_abr_ForwardSaleCommitmentsMember_documentation_en-US" xlink:label="lab_abr_ForwardSaleCommitmentsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Commitments to sell a specific quantity of a financial instrument at a price specified at origination of the contract, with delivery and settlement at a specified future date.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ForwardSaleCommitmentsMember" xlink:href="abr-20240930.xsd#abr_ForwardSaleCommitmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ForwardSaleCommitmentsMember" xlink:to="lab_abr_ForwardSaleCommitmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_9ba77471-8d0f-42d3-b790-d32175cdb47e_negatedLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Changes in operating assets and liabilities</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Other Operating Assets and Liabilities, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:to="lab_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RelatedPartyUpsizedLoanCommitmentAmount_2016d9b0-1426-4ec9-b34b-319139f97c48_terseLabel_en-US" xlink:label="lab_abr_RelatedPartyUpsizedLoanCommitmentAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan committed upsized</link:label>
    <link:label id="lab_abr_RelatedPartyUpsizedLoanCommitmentAmount_label_en-US" xlink:label="lab_abr_RelatedPartyUpsizedLoanCommitmentAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Upsized Loan Commitment Amount</link:label>
    <link:label id="lab_abr_RelatedPartyUpsizedLoanCommitmentAmount_documentation_en-US" xlink:label="lab_abr_RelatedPartyUpsizedLoanCommitmentAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The upsized amount the entity agreed to fund under the related party commitment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RelatedPartyUpsizedLoanCommitmentAmount" xlink:href="abr-20240930.xsd#abr_RelatedPartyUpsizedLoanCommitmentAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RelatedPartyUpsizedLoanCommitmentAmount" xlink:to="lab_abr_RelatedPartyUpsizedLoanCommitmentAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract_f0c1b143-2e6f-40ce-acc9-67a52a2fc12c_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock</link:label>
    <link:label id="lab_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract_label_en-US" xlink:label="lab_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Number of Shares, Par Value and Other Disclosure [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract" xlink:to="lab_us-gaap_CommonStockNumberOfSharesParValueAndOtherDisclosuresAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_OtherPerfMeasureAmt_terseLabel_en-US" xlink:label="lab_ecd_OtherPerfMeasureAmt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Performance Measure, Amount</link:label>
    <link:label id="lab_ecd_OtherPerfMeasureAmt_label_en-US" xlink:label="lab_ecd_OtherPerfMeasureAmt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Performance Measure, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_OtherPerfMeasureAmt" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_OtherPerfMeasureAmt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_OtherPerfMeasureAmt" xlink:to="lab_ecd_OtherPerfMeasureAmt" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_14e0d235-e8b4-4e01-a577-c53867a652bf_verboseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2027</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Asset, Expected Amortization, Year Three</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RealEstateOwnedBuildingAndIntangibleAssets_7cc99e31-315f-4313-9a15-7e78058f0adb_terseLabel_en-US" xlink:label="lab_abr_RealEstateOwnedBuildingAndIntangibleAssets" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Building and intangible assets</link:label>
    <link:label id="lab_abr_RealEstateOwnedBuildingAndIntangibleAssets_label_en-US" xlink:label="lab_abr_RealEstateOwnedBuildingAndIntangibleAssets" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate, Owned, Building And Intangible Assets</link:label>
    <link:label id="lab_abr_RealEstateOwnedBuildingAndIntangibleAssets_documentation_en-US" xlink:label="lab_abr_RealEstateOwnedBuildingAndIntangibleAssets" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Real Estate, Owned, Building And Intangible Assets</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RealEstateOwnedBuildingAndIntangibleAssets" xlink:href="abr-20240930.xsd#abr_RealEstateOwnedBuildingAndIntangibleAssets"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RealEstateOwnedBuildingAndIntangibleAssets" xlink:to="lab_abr_RealEstateOwnedBuildingAndIntangibleAssets" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommonStockSharesOutstanding_1c9a390b-688a-4acc-b57f-e2a2811b7bce_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock, shares outstanding (in shares)</link:label>
    <link:label id="lab_us-gaap_CommonStockSharesOutstanding_15b6693a-e9cd-4aa7-80c8-c67177fe742f_periodStartLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Common stock, beginning balance (in shares)</link:label>
    <link:label id="lab_us-gaap_CommonStockSharesOutstanding_10c4acc7-1713-46a9-8033-afbbf06717b9_periodEndLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Common stock, ending balance (in shares)</link:label>
    <link:label id="lab_us-gaap_CommonStockSharesOutstanding_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Shares, Outstanding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesOutstanding" xlink:to="lab_us-gaap_CommonStockSharesOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancialAssetGreaterThan60DaysPastDueMember_c91c080b-f609-48bc-9e10-1d1067aab6d6_terseLabel_en-US" xlink:label="lab_abr_FinancialAssetGreaterThan60DaysPastDueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Asset, Greater Than 60 Days Past Due</link:label>
    <link:label id="lab_abr_FinancialAssetGreaterThan60DaysPastDueMember_label_en-US" xlink:label="lab_abr_FinancialAssetGreaterThan60DaysPastDueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Asset, Greater Than 60 Days Past Due [Member]</link:label>
    <link:label id="lab_abr_FinancialAssetGreaterThan60DaysPastDueMember_documentation_en-US" xlink:label="lab_abr_FinancialAssetGreaterThan60DaysPastDueMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Asset, Greater Than 60 Days Past Due</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancialAssetGreaterThan60DaysPastDueMember" xlink:href="abr-20240930.xsd#abr_FinancialAssetGreaterThan60DaysPastDueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancialAssetGreaterThan60DaysPastDueMember" xlink:to="lab_abr_FinancialAssetGreaterThan60DaysPastDueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PassMember_400a9fbe-8543-418e-b6cc-f5ead758b3d7_terseLabel_en-US" xlink:label="lab_us-gaap_PassMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pass</link:label>
    <link:label id="lab_us-gaap_PassMember_label_en-US" xlink:label="lab_us-gaap_PassMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pass [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PassMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PassMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PassMember" xlink:to="lab_us-gaap_PassMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ForeclosedPropertiesCarryingValue_344fea57-9ceb-4fd5-b681-d5031a9697e9_terseLabel_en-US" xlink:label="lab_abr_ForeclosedPropertiesCarryingValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreclosed properties, carrying value</link:label>
    <link:label id="lab_abr_ForeclosedPropertiesCarryingValue_label_en-US" xlink:label="lab_abr_ForeclosedPropertiesCarryingValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Foreclosed Properties, Carrying Value</link:label>
    <link:label id="lab_abr_ForeclosedPropertiesCarryingValue_documentation_en-US" xlink:label="lab_abr_ForeclosedPropertiesCarryingValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Foreclosed Properties, Carrying Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ForeclosedPropertiesCarryingValue" xlink:href="abr-20240930.xsd#abr_ForeclosedPropertiesCarryingValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ForeclosedPropertiesCarryingValue" xlink:to="lab_abr_ForeclosedPropertiesCarryingValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_5b4b6d0e-fee8-4b4f-a9d1-773b6897b635_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value</link:label>
    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Measurement Inputs and Valuation Techniques [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" xlink:to="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InterestReceivable_3874204c-4dae-4195-9d66-e96a2604c549_terseLabel_en-US" xlink:label="lab_us-gaap_InterestReceivable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest receivable</link:label>
    <link:label id="lab_us-gaap_InterestReceivable_label_en-US" xlink:label="lab_us-gaap_InterestReceivable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Receivable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestReceivable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestReceivable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestReceivable" xlink:to="lab_us-gaap_InterestReceivable" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NumberOfUnrelatedBorrowers_635fa1c9-19d9-4ca1-aab2-a1c10037d3b0_terseLabel_en-US" xlink:label="lab_abr_NumberOfUnrelatedBorrowers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of different borrowers</link:label>
    <link:label id="lab_abr_NumberOfUnrelatedBorrowers_label_en-US" xlink:label="lab_abr_NumberOfUnrelatedBorrowers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Unrelated Borrowers</link:label>
    <link:label id="lab_abr_NumberOfUnrelatedBorrowers_documentation_en-US" xlink:label="lab_abr_NumberOfUnrelatedBorrowers" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the number of unrelated borrowers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NumberOfUnrelatedBorrowers" xlink:href="abr-20240930.xsd#abr_NumberOfUnrelatedBorrowers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NumberOfUnrelatedBorrowers" xlink:to="lab_abr_NumberOfUnrelatedBorrowers" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfRealEstate_b83db255-6668-4554-947a-f09b264fd9e0_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfRealEstate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sale of real estate</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfRealEstate_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfRealEstate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale of Real Estate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfRealEstate" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromSaleOfRealEstate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfRealEstate" xlink:to="lab_us-gaap_ProceedsFromSaleOfRealEstate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InterestOnlyStripMember_507db59d-10d3-4604-aa09-fff612642ed9_terseLabel_en-US" xlink:label="lab_us-gaap_InterestOnlyStripMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Agency interest only strips</link:label>
    <link:label id="lab_us-gaap_InterestOnlyStripMember_label_en-US" xlink:label="lab_us-gaap_InterestOnlyStripMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest-Only-Strip [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestOnlyStripMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestOnlyStripMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestOnlyStripMember" xlink:to="lab_us-gaap_InterestOnlyStripMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityTaxIdentificationNumber_dbe73554-83fb-4759-88b6-6b3a0c820cda_terseLabel_en-US" xlink:label="lab_dei_EntityTaxIdentificationNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Tax Identification Number</link:label>
    <link:label id="lab_dei_EntityTaxIdentificationNumber_label_en-US" xlink:label="lab_dei_EntityTaxIdentificationNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Tax Identification Number</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityTaxIdentificationNumber" xlink:to="lab_dei_EntityTaxIdentificationNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_TemporaryInterestRateReliefFiveLoansMember_eb8c73bb-6dae-4da9-9644-b20de9d22aab_terseLabel_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefFiveLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief, Five Loans</link:label>
    <link:label id="lab_abr_TemporaryInterestRateReliefFiveLoansMember_label_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefFiveLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief, Five Loans [Member]</link:label>
    <link:label id="lab_abr_TemporaryInterestRateReliefFiveLoansMember_documentation_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefFiveLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief, Five Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_TemporaryInterestRateReliefFiveLoansMember" xlink:href="abr-20240930.xsd#abr_TemporaryInterestRateReliefFiveLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_TemporaryInterestRateReliefFiveLoansMember" xlink:to="lab_abr_TemporaryInterestRateReliefFiveLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SecuredDebt_d826f52a-e3ef-4d37-b85c-b0eb15e5836e_terseLabel_en-US" xlink:label="lab_us-gaap_SecuredDebt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Securitized debt</link:label>
    <link:label id="lab_us-gaap_SecuredDebt_cbba4081-dd3e-4236-be18-2657ddb666d0_verboseLabel_en-US" xlink:label="lab_us-gaap_SecuredDebt" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Debt, Carrying Value</link:label>
    <link:label id="lab_us-gaap_SecuredDebt_label_en-US" xlink:label="lab_us-gaap_SecuredDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured Debt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SecuredDebt" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SecuredDebt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SecuredDebt" xlink:to="lab_us-gaap_SecuredDebt" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_dc1219e8-ba61-416d-b9e4-37dd9e034e6d_terseLabel_en-US" xlink:label="lab_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and Investments</link:label>
    <link:label id="lab_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_label_en-US" xlink:label="lab_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans, Notes, Trade and Other Receivables Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:to="lab_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableFloorInterestRate_5f72ac36-1f91-4a4e-9429-ea08e8441588_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableFloorInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing receivable, floor interest rate</link:label>
    <link:label id="lab_abr_FinancingReceivableFloorInterestRate_label_en-US" xlink:label="lab_abr_FinancingReceivableFloorInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Floor Interest Rate</link:label>
    <link:label id="lab_abr_FinancingReceivableFloorInterestRate_documentation_en-US" xlink:label="lab_abr_FinancingReceivableFloorInterestRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Floor Interest Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableFloorInterestRate" xlink:href="abr-20240930.xsd#abr_FinancingReceivableFloorInterestRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableFloorInterestRate" xlink:to="lab_abr_FinancingReceivableFloorInterestRate" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ServicingAssetAtAmortizedCostWriteDownsAndPayoffs_6f8a6953-3684-4477-ba61-146282ee7867_negatedLabel_en-US" xlink:label="lab_abr_ServicingAssetAtAmortizedCostWriteDownsAndPayoffs" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Write-downs and payoffs</link:label>
    <link:label id="lab_abr_ServicingAssetAtAmortizedCostWriteDownsAndPayoffs_label_en-US" xlink:label="lab_abr_ServicingAssetAtAmortizedCostWriteDownsAndPayoffs" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Servicing Asset at Amortized Cost, Write-downs and Payoffs</link:label>
    <link:label id="lab_abr_ServicingAssetAtAmortizedCostWriteDownsAndPayoffs_documentation_en-US" xlink:label="lab_abr_ServicingAssetAtAmortizedCostWriteDownsAndPayoffs" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of write-downs and payoffs applied to contract to service financial assets under which the benefits of servicing are expected to more than adequately compensate the servicer.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ServicingAssetAtAmortizedCostWriteDownsAndPayoffs" xlink:href="abr-20240930.xsd#abr_ServicingAssetAtAmortizedCostWriteDownsAndPayoffs"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ServicingAssetAtAmortizedCostWriteDownsAndPayoffs" xlink:to="lab_abr_ServicingAssetAtAmortizedCostWriteDownsAndPayoffs" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InterestOnConvertibleDebtNetOfTax_8402a66b-ddee-43b1-9294-00a220a6bc2d_terseLabel_en-US" xlink:label="lab_us-gaap_InterestOnConvertibleDebtNetOfTax" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest expense on convertible notes</link:label>
    <link:label id="lab_us-gaap_InterestOnConvertibleDebtNetOfTax_label_en-US" xlink:label="lab_us-gaap_InterestOnConvertibleDebtNetOfTax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest on Convertible Debt, Net of Tax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestOnConvertibleDebtNetOfTax" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestOnConvertibleDebtNetOfTax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestOnConvertibleDebtNetOfTax" xlink:to="lab_us-gaap_InterestOnConvertibleDebtNetOfTax" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ContractualObligationDueInFourthYear_f9e19889-fe76-4000-bd81-1077bddcd193_totalLabel_en-US" xlink:label="lab_us-gaap_ContractualObligationDueInFourthYear" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">2028</link:label>
    <link:label id="lab_us-gaap_ContractualObligationDueInFourthYear_label_en-US" xlink:label="lab_us-gaap_ContractualObligationDueInFourthYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Obligation, to be Paid, Year Four</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueInFourthYear" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractualObligationDueInFourthYear"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractualObligationDueInFourthYear" xlink:to="lab_us-gaap_ContractualObligationDueInFourthYear" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IntersegmentEliminationMember_fea4b928-af72-4de1-b85b-769b8e823160_terseLabel_en-US" xlink:label="lab_us-gaap_IntersegmentEliminationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other/Eliminations</link:label>
    <link:label id="lab_us-gaap_IntersegmentEliminationMember_label_en-US" xlink:label="lab_us-gaap_IntersegmentEliminationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Intersegment Eliminations [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntersegmentEliminationMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IntersegmentEliminationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IntersegmentEliminationMember" xlink:to="lab_us-gaap_IntersegmentEliminationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PlanNameAxis_aa33f120-e023-4522-b28f-4dcb756b3953_terseLabel_en-US" xlink:label="lab_us-gaap_PlanNameAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Plan Name [Axis]</link:label>
    <link:label id="lab_us-gaap_PlanNameAxis_label_en-US" xlink:label="lab_us-gaap_PlanNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Plan Name [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PlanNameAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PlanNameAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PlanNameAxis" xlink:to="lab_us-gaap_PlanNameAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_RetailSiteMember_287216e5-45db-4843-b215-b5cba2a37826_terseLabel_en-US" xlink:label="lab_srt_RetailSiteMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Retail</link:label>
    <link:label id="lab_srt_RetailSiteMember_label_en-US" xlink:label="lab_srt_RetailSiteMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retail Site [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RetailSiteMember" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RetailSiteMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RetailSiteMember" xlink:to="lab_srt_RetailSiteMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StatementEquityComponentsAxis_62d9d10e-00ef-431b-85f5-49da7c36cd75_terseLabel_en-US" xlink:label="lab_us-gaap_StatementEquityComponentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Components [Axis]</link:label>
    <link:label id="lab_us-gaap_StatementEquityComponentsAxis_label_en-US" xlink:label="lab_us-gaap_StatementEquityComponentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Components [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementEquityComponentsAxis" xlink:to="lab_us-gaap_StatementEquityComponentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_InterestCoverageRatioCovenantCompliance_3dff9ac2-22b9-42a7-b58e-42a69ca3e685_terseLabel_en-US" xlink:label="lab_abr_InterestCoverageRatioCovenantCompliance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Limit</link:label>
    <link:label id="lab_abr_InterestCoverageRatioCovenantCompliance_label_en-US" xlink:label="lab_abr_InterestCoverageRatioCovenantCompliance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Coverage Ratio, Covenant Compliance</link:label>
    <link:label id="lab_abr_InterestCoverageRatioCovenantCompliance_documentation_en-US" xlink:label="lab_abr_InterestCoverageRatioCovenantCompliance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the interest coverage ratio required to be maintained under covenant compliance. Interest coverage ratio is calculated by dividing interest income by interest expense for the classes senior to those retained by the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_InterestCoverageRatioCovenantCompliance" xlink:href="abr-20240930.xsd#abr_InterestCoverageRatioCovenantCompliance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_InterestCoverageRatioCovenantCompliance" xlink:to="lab_abr_InterestCoverageRatioCovenantCompliance" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_HeldToMaturitySecurities_ae272905-d9ea-43ec-a075-fbaae232acaa_terseLabel_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecurities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Securities held-to-maturity, net (allowance for credit losses of $10,564 and $6,256)</link:label>
    <link:label id="lab_us-gaap_HeldToMaturitySecurities_5e2962ae-bbc7-4025-a825-fed0367c4b8b_totalLabel_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecurities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net Carrying Value</link:label>
    <link:label id="lab_us-gaap_HeldToMaturitySecurities_a02e3adf-84e7-414a-8d2d-ac91efc5cc80_verboseLabel_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecurities" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Securities held-to-maturity, net</link:label>
    <link:label id="lab_us-gaap_HeldToMaturitySecurities_label_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecurities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Securities, Held-to-Maturity, Amortized Cost, before Allowance for Credit Loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecurities" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecurities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HeldToMaturitySecurities" xlink:to="lab_us-gaap_HeldToMaturitySecurities" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_A200MillionRepurchaseFacility1Member_ae2a1be2-3594-41b6-ae20-93ea1b6e4a33_terseLabel_en-US" xlink:label="lab_abr_A200MillionRepurchaseFacility1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$200M repurchase facility</link:label>
    <link:label id="lab_abr_A200MillionRepurchaseFacility1Member_label_en-US" xlink:label="lab_abr_A200MillionRepurchaseFacility1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">$200 Million Repurchase Facility 1 [Member]</link:label>
    <link:label id="lab_abr_A200MillionRepurchaseFacility1Member_documentation_en-US" xlink:label="lab_abr_A200MillionRepurchaseFacility1Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">$200 Million Repurchase Facility 1</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_A200MillionRepurchaseFacility1Member" xlink:href="abr-20240930.xsd#abr_A200MillionRepurchaseFacility1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_A200MillionRepurchaseFacility1Member" xlink:to="lab_abr_A200MillionRepurchaseFacility1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_MeasurementInputCapRateMember_625c7c03-f4d8-4dff-badf-a7292289534e_terseLabel_en-US" xlink:label="lab_us-gaap_MeasurementInputCapRateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capitalization rate</link:label>
    <link:label id="lab_us-gaap_MeasurementInputCapRateMember_label_en-US" xlink:label="lab_us-gaap_MeasurementInputCapRateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Measurement Input, Cap Rate [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputCapRateMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputCapRateMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MeasurementInputCapRateMember" xlink:to="lab_us-gaap_MeasurementInputCapRateMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeAssetNotionalAmount_09118edb-7f38-483d-bc2c-6843a2b98073_verboseLabel_en-US" xlink:label="lab_us-gaap_DerivativeAssetNotionalAmount" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial instruments, Principal/Notional Amount</link:label>
    <link:label id="lab_us-gaap_DerivativeAssetNotionalAmount_label_en-US" xlink:label="lab_us-gaap_DerivativeAssetNotionalAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Asset, Notional Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetNotionalAmount" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeAssetNotionalAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeAssetNotionalAmount" xlink:to="lab_us-gaap_DerivativeAssetNotionalAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_07286afa-9371-47d1-ab14-0e8f1e2c359f_periodStartLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance</link:label>
    <link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_6de94c7d-c0e8-46eb-84e0-2eaf9798a3ed_periodEndLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance</link:label>
    <link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:to="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_GainLossOnSaleOfDerivatives_0dc02ff9-d6c5-474f-abf3-bf0c0d647235_terseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfDerivatives" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Realized gain (loss) on derivatives</link:label>
    <link:label id="lab_us-gaap_GainLossOnSaleOfDerivatives_label_en-US" xlink:label="lab_us-gaap_GainLossOnSaleOfDerivatives" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) on Sale of Derivatives</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnSaleOfDerivatives" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnSaleOfDerivatives"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnSaleOfDerivatives" xlink:to="lab_us-gaap_GainLossOnSaleOfDerivatives" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeAssetCollateralObligationToReturnCashOffset_44f7990f-debe-4edb-9fc3-c93cd851aa4d_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeAssetCollateralObligationToReturnCashOffset" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash posted as collateral</link:label>
    <link:label id="lab_us-gaap_DerivativeAssetCollateralObligationToReturnCashOffset_label_en-US" xlink:label="lab_us-gaap_DerivativeAssetCollateralObligationToReturnCashOffset" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetCollateralObligationToReturnCashOffset" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeAssetCollateralObligationToReturnCashOffset"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeAssetCollateralObligationToReturnCashOffset" xlink:to="lab_us-gaap_DerivativeAssetCollateralObligationToReturnCashOffset" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_BusinessAcquisitionAcquireeDomain_b694f729-4743-4073-b94e-c814432f75ca_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAcquireeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Acquisition, Acquiree [Domain]</link:label>
    <link:label id="lab_us-gaap_BusinessAcquisitionAcquireeDomain_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAcquireeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition, Acquiree [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain" xlink:to="lab_us-gaap_BusinessAcquisitionAcquireeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InvestmentsInAndAdvancesToAffiliatesTable_ecf4d493-8ece-467c-b402-de374e204c7b_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments in and Advances to Affiliates [Table]</link:label>
    <link:label id="lab_us-gaap_InvestmentsInAndAdvancesToAffiliatesTable_label_en-US" xlink:label="lab_us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments in and Advances to Affiliates [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentsInAndAdvancesToAffiliatesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:to="lab_us-gaap_InvestmentsInAndAdvancesToAffiliatesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InvestmentTypeCategorizationMember_0753dd0e-d364-4a87-b4ea-a53c02ddc47b_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentTypeCategorizationMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments [Domain]</link:label>
    <link:label id="lab_us-gaap_InvestmentTypeCategorizationMember_label_en-US" xlink:label="lab_us-gaap_InvestmentTypeCategorizationMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentTypeCategorizationMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentTypeCategorizationMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentTypeCategorizationMember" xlink:to="lab_us-gaap_InvestmentTypeCategorizationMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FiveBorrowersMember_9a4a5136-e2c3-42e8-a4b4-9f80da247cb4_terseLabel_en-US" xlink:label="lab_abr_FiveBorrowersMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Five Borrowers</link:label>
    <link:label id="lab_abr_FiveBorrowersMember_label_en-US" xlink:label="lab_abr_FiveBorrowersMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Five Borrowers [Member]</link:label>
    <link:label id="lab_abr_FiveBorrowersMember_documentation_en-US" xlink:label="lab_abr_FiveBorrowersMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to five borrowers.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FiveBorrowersMember" xlink:href="abr-20240930.xsd#abr_FiveBorrowersMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FiveBorrowersMember" xlink:to="lab_abr_FiveBorrowersMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_5f4b7da6-3c98-4ce6-b18a-3d2f30fbf514_terseLabel_en-US" xlink:label="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Supplemental schedule of non-cash investing and financing activities:</link:label>
    <link:label id="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_label_en-US" xlink:label="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="lab_us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_StatementGeographicalAxis_704e155d-482b-49d6-8dbc-305aa87fea4c_terseLabel_en-US" xlink:label="lab_srt_StatementGeographicalAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Geographical [Axis]</link:label>
    <link:label id="lab_srt_StatementGeographicalAxis_label_en-US" xlink:label="lab_srt_StatementGeographicalAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementGeographicalAxis" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_StatementGeographicalAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_StatementGeographicalAxis" xlink:to="lab_srt_StatementGeographicalAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_1c7712b1-f26f-4b9f-aff6-1e176f762f18_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2029</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, to be Paid, Year Five</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFive" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AwardDateAxis_1529ec36-aaee-4c65-b917-88f422027446_terseLabel_en-US" xlink:label="lab_us-gaap_AwardDateAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Award Date [Axis]</link:label>
    <link:label id="lab_us-gaap_AwardDateAxis_label_en-US" xlink:label="lab_us-gaap_AwardDateAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Award Date [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AwardDateAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AwardDateAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AwardDateAxis" xlink:to="lab_us-gaap_AwardDateAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CollateralizedLoanObligationsFifteenMember_45b20978-ffd0-4a8a-8b0c-276efe605db9_terseLabel_en-US" xlink:label="lab_abr_CollateralizedLoanObligationsFifteenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CLO 15</link:label>
    <link:label id="lab_abr_CollateralizedLoanObligationsFifteenMember_label_en-US" xlink:label="lab_abr_CollateralizedLoanObligationsFifteenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collateralized Loan Obligations Fifteen [Member]</link:label>
    <link:label id="lab_abr_CollateralizedLoanObligationsFifteenMember_documentation_en-US" xlink:label="lab_abr_CollateralizedLoanObligationsFifteenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to a collateralized securitization vehicles ("CLO XV").</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CollateralizedLoanObligationsFifteenMember" xlink:href="abr-20240930.xsd#abr_CollateralizedLoanObligationsFifteenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CollateralizedLoanObligationsFifteenMember" xlink:to="lab_abr_CollateralizedLoanObligationsFifteenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_WeightedAverageMember_33e3588a-7f8a-4517-a11e-a18245a6d7c6_terseLabel_en-US" xlink:label="lab_srt_WeightedAverageMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average</link:label>
    <link:label id="lab_srt_WeightedAverageMember_label_en-US" xlink:label="lab_srt_WeightedAverageMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_WeightedAverageMember" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_WeightedAverageMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_WeightedAverageMember" xlink:to="lab_srt_WeightedAverageMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockRepurchasedDuringPeriodValue_d65a8f0f-17c3-408a-8a2a-ed295f6a7c36_negatedLabel_en-US" xlink:label="lab_us-gaap_StockRepurchasedDuringPeriodValue" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Repurchase - common stock</link:label>
    <link:label id="lab_us-gaap_StockRepurchasedDuringPeriodValue_label_en-US" xlink:label="lab_us-gaap_StockRepurchasedDuringPeriodValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Repurchased During Period, Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodValue" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockRepurchasedDuringPeriodValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockRepurchasedDuringPeriodValue" xlink:to="lab_us-gaap_StockRepurchasedDuringPeriodValue" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_EqtyAwrdsInSummryCompstnTblForAplblYrMember_terseLabel_en-US" xlink:label="lab_ecd_EqtyAwrdsInSummryCompstnTblForAplblYrMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table</link:label>
    <link:label id="lab_ecd_EqtyAwrdsInSummryCompstnTblForAplblYrMember_label_en-US" xlink:label="lab_ecd_EqtyAwrdsInSummryCompstnTblForAplblYrMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_EqtyAwrdsInSummryCompstnTblForAplblYrMember" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_EqtyAwrdsInSummryCompstnTblForAplblYrMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_EqtyAwrdsInSummryCompstnTblForAplblYrMember" xlink:to="lab_ecd_EqtyAwrdsInSummryCompstnTblForAplblYrMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LightstoneValuePlusREITLPMember_64f70010-8e91-4d47-8d18-9d43caf58a78_terseLabel_en-US" xlink:label="lab_abr_LightstoneValuePlusREITLPMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lightstone Value Plus REIT L.P.</link:label>
    <link:label id="lab_abr_LightstoneValuePlusREITLPMember_label_en-US" xlink:label="lab_abr_LightstoneValuePlusREITLPMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lightstone Value Plus REIT L.P. [Member]</link:label>
    <link:label id="lab_abr_LightstoneValuePlusREITLPMember_documentation_en-US" xlink:label="lab_abr_LightstoneValuePlusREITLPMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Information pertaining to Lightstone Value Plus REIT LP.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LightstoneValuePlusREITLPMember" xlink:href="abr-20240930.xsd#abr_LightstoneValuePlusREITLPMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LightstoneValuePlusREITLPMember" xlink:to="lab_abr_LightstoneValuePlusREITLPMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ChiefExecutiveOfficerMember_5826352f-a420-449c-a639-ad3a60db7c73_terseLabel_en-US" xlink:label="lab_srt_ChiefExecutiveOfficerMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Chief executive officer</link:label>
    <link:label id="lab_srt_ChiefExecutiveOfficerMember_label_en-US" xlink:label="lab_srt_ChiefExecutiveOfficerMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Chief Executive Officer [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ChiefExecutiveOfficerMember" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ChiefExecutiveOfficerMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ChiefExecutiveOfficerMember" xlink:to="lab_srt_ChiefExecutiveOfficerMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LossContingencyAccrualAtCarryingValue_33124d0c-9358-4d36-ac76-e060489324ac_periodStartLabel_en-US" xlink:label="lab_us-gaap_LossContingencyAccrualAtCarryingValue" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Beginning balance</link:label>
    <link:label id="lab_us-gaap_LossContingencyAccrualAtCarryingValue_fb233def-7f7a-46e7-9255-b852e423821a_periodEndLabel_en-US" xlink:label="lab_us-gaap_LossContingencyAccrualAtCarryingValue" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Ending balance</link:label>
    <link:label id="lab_us-gaap_LossContingencyAccrualAtCarryingValue_label_en-US" xlink:label="lab_us-gaap_LossContingencyAccrualAtCarryingValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Contingency Accrual</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyAccrualAtCarryingValue" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingencyAccrualAtCarryingValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingencyAccrualAtCarryingValue" xlink:to="lab_us-gaap_LossContingencyAccrualAtCarryingValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OperatingLeaseExpense_4c2f8218-e163-4a09-b417-e75f5b012863_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingLeaseExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating lease expense</link:label>
    <link:label id="lab_us-gaap_OperatingLeaseExpense_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseExpense" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingLeaseExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingLeaseExpense" xlink:to="lab_us-gaap_OperatingLeaseExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NumberOfInvestmentsPurchased_f34e5b69-b3f1-426d-bd23-c858ab3dd0ee_terseLabel_en-US" xlink:label="lab_abr_NumberOfInvestmentsPurchased" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of investments purchased</link:label>
    <link:label id="lab_abr_NumberOfInvestmentsPurchased_label_en-US" xlink:label="lab_abr_NumberOfInvestmentsPurchased" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Investments Purchased</link:label>
    <link:label id="lab_abr_NumberOfInvestmentsPurchased_documentation_en-US" xlink:label="lab_abr_NumberOfInvestmentsPurchased" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Investments Purchased</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NumberOfInvestmentsPurchased" xlink:href="abr-20240930.xsd#abr_NumberOfInvestmentsPurchased"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NumberOfInvestmentsPurchased" xlink:to="lab_abr_NumberOfInvestmentsPurchased" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_TemporaryInterestRateReliefTwentyThreeLoansMember_8ce752ba-7348-4cfc-9e2e-0060c98a1ca5_terseLabel_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefTwentyThreeLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief, Twenty Three Loans</link:label>
    <link:label id="lab_abr_TemporaryInterestRateReliefTwentyThreeLoansMember_label_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefTwentyThreeLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief, Twenty Three Loans [Member]</link:label>
    <link:label id="lab_abr_TemporaryInterestRateReliefTwentyThreeLoansMember_documentation_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefTwentyThreeLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief, Twenty Three Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_TemporaryInterestRateReliefTwentyThreeLoansMember" xlink:href="abr-20240930.xsd#abr_TemporaryInterestRateReliefTwentyThreeLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_TemporaryInterestRateReliefTwentyThreeLoansMember" xlink:to="lab_abr_TemporaryInterestRateReliefTwentyThreeLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_PeriodForFundingCollateralRequirement_48b48c94-88bd-4eea-a317-bbd2241d9175_terseLabel_en-US" xlink:label="lab_abr_PeriodForFundingCollateralRequirement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Period of funding for collateral requirement</link:label>
    <link:label id="lab_abr_PeriodForFundingCollateralRequirement_label_en-US" xlink:label="lab_abr_PeriodForFundingCollateralRequirement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Period For Funding Collateral Requirement</link:label>
    <link:label id="lab_abr_PeriodForFundingCollateralRequirement_documentation_en-US" xlink:label="lab_abr_PeriodForFundingCollateralRequirement" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The period over which the collateral requirement for loans will be funded.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_PeriodForFundingCollateralRequirement" xlink:href="abr-20240930.xsd#abr_PeriodForFundingCollateralRequirement"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_PeriodForFundingCollateralRequirement" xlink:to="lab_abr_PeriodForFundingCollateralRequirement" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_e41ae029-d3ab-4b16-ae18-aa66f530477f_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Charge-offs</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Allowance for Credit Loss, Writeoff</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs" xlink:to="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_b1211bfa-6c97-446a-9e13-c40d67424adf_periodStartLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Cash, cash equivalents and restricted cash at beginning of period</link:label>
    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_ea7adbe4-5f12-4c14-8851-a0f0c53b28ea_periodEndLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Cash, cash equivalents and restricted cash at end of period</link:label>
    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_label_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:to="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtWeightedAverageInterestRate_3f4127b4-7c2e-46eb-bf57-e1387f8589cf_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtWeightedAverageInterestRate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Wtd. Avg. Note Rate</link:label>
    <link:label id="lab_us-gaap_DebtWeightedAverageInterestRate_50bb7860-4405-40da-a5d5-ecea42290c7d_terseLabel_en-US" xlink:label="lab_us-gaap_DebtWeightedAverageInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt, Wtd. Avg. Rate</link:label>
    <link:label id="lab_us-gaap_DebtWeightedAverageInterestRate_label_en-US" xlink:label="lab_us-gaap_DebtWeightedAverageInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt, Weighted Average Interest Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtWeightedAverageInterestRate" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtWeightedAverageInterestRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtWeightedAverageInterestRate" xlink:to="lab_us-gaap_DebtWeightedAverageInterestRate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ContractualObligationFiscalYearMaturityAbstract_6fe4f5a3-f707-49c7-8d70-5cb15431073a_terseLabel_en-US" xlink:label="lab_us-gaap_ContractualObligationFiscalYearMaturityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_us-gaap_ContractualObligationFiscalYearMaturityAbstract_label_en-US" xlink:label="lab_us-gaap_ContractualObligationFiscalYearMaturityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Obligation, Fiscal Year Maturity [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationFiscalYearMaturityAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractualObligationFiscalYearMaturityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractualObligationFiscalYearMaturityAbstract" xlink:to="lab_us-gaap_ContractualObligationFiscalYearMaturityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableBorrowerRequirementCapitalImprovementsPeriod_bbdff0fb-8fd1-4d68-a587-01dee825975a_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableBorrowerRequirementCapitalImprovementsPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing receivable, borrower requirement, capital improvements, period</link:label>
    <link:label id="lab_abr_FinancingReceivableBorrowerRequirementCapitalImprovementsPeriod_label_en-US" xlink:label="lab_abr_FinancingReceivableBorrowerRequirementCapitalImprovementsPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Borrower Requirement, Capital Improvements, Period</link:label>
    <link:label id="lab_abr_FinancingReceivableBorrowerRequirementCapitalImprovementsPeriod_documentation_en-US" xlink:label="lab_abr_FinancingReceivableBorrowerRequirementCapitalImprovementsPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Borrower Requirement, Capital Improvements, Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableBorrowerRequirementCapitalImprovementsPeriod" xlink:href="abr-20240930.xsd#abr_FinancingReceivableBorrowerRequirementCapitalImprovementsPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableBorrowerRequirementCapitalImprovementsPeriod" xlink:to="lab_abr_FinancingReceivableBorrowerRequirementCapitalImprovementsPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancialAssetLessThan60DaysPastDueMember_c43d61e3-f79a-4ca7-b677-cef10bf64aa0_terseLabel_en-US" xlink:label="lab_abr_FinancialAssetLessThan60DaysPastDueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Asset, Less Than 60 Days Past Due</link:label>
    <link:label id="lab_abr_FinancialAssetLessThan60DaysPastDueMember_label_en-US" xlink:label="lab_abr_FinancialAssetLessThan60DaysPastDueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Asset, Less Than 60 Days Past Due [Member]</link:label>
    <link:label id="lab_abr_FinancialAssetLessThan60DaysPastDueMember_documentation_en-US" xlink:label="lab_abr_FinancialAssetLessThan60DaysPastDueMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financial Asset, Less Than 60 Days Past Due</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancialAssetLessThan60DaysPastDueMember" xlink:href="abr-20240930.xsd#abr_FinancialAssetLessThan60DaysPastDueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancialAssetLessThan60DaysPastDueMember" xlink:to="lab_abr_FinancialAssetLessThan60DaysPastDueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems_0b454662-a0fa-4ddb-bbbe-bf4a704f59d8_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Held-to-Maturity Securities [Line Items]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems_050f32aa-8cc9-4d4b-bc68-150d197f7e9a_verboseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Securities Held-to-Maturity</link:label>
    <link:label id="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems_label_en-US" xlink:label="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Held-to-Maturity Securities [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems" xlink:to="lab_us-gaap_ScheduleOfHeldToMaturitySecuritiesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ConsolidationItemsAxis_0e54fda5-8dc5-470d-ac3d-49859112bc78_terseLabel_en-US" xlink:label="lab_srt_ConsolidationItemsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidation Items [Axis]</link:label>
    <link:label id="lab_srt_ConsolidationItemsAxis_label_en-US" xlink:label="lab_srt_ConsolidationItemsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidation Items [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidationItemsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ConsolidationItemsAxis" xlink:to="lab_srt_ConsolidationItemsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityTwoLoansMember_d3ab276d-38f1-4b8e-babb-a7f814c1e0fb_terseLabel_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityTwoLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief And Extended Maturity, Two Loans</link:label>
    <link:label id="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityTwoLoansMember_label_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityTwoLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief And Extended Maturity, Two Loans [Member]</link:label>
    <link:label id="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityTwoLoansMember_documentation_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityTwoLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief And Extended Maturity, Two Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_TemporaryInterestRateReliefAndExtendedMaturityTwoLoansMember" xlink:href="abr-20240930.xsd#abr_TemporaryInterestRateReliefAndExtendedMaturityTwoLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_TemporaryInterestRateReliefAndExtendedMaturityTwoLoansMember" xlink:to="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityTwoLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_ForgoneRecoveryDueToDisqualificationOfTaxBenefitsAmt_terseLabel_en-US" xlink:label="lab_ecd_ForgoneRecoveryDueToDisqualificationOfTaxBenefitsAmt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forgone Recovery due to Disqualification of Tax Benefits, Amount</link:label>
    <link:label id="lab_ecd_ForgoneRecoveryDueToDisqualificationOfTaxBenefitsAmt_label_en-US" xlink:label="lab_ecd_ForgoneRecoveryDueToDisqualificationOfTaxBenefitsAmt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forgone Recovery due to Disqualification of Tax Benefits, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_ForgoneRecoveryDueToDisqualificationOfTaxBenefitsAmt" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_ForgoneRecoveryDueToDisqualificationOfTaxBenefitsAmt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_ForgoneRecoveryDueToDisqualificationOfTaxBenefitsAmt" xlink:to="lab_ecd_ForgoneRecoveryDueToDisqualificationOfTaxBenefitsAmt" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_BridgeLoanTwoMultifamilyPropertiesMember_d7b9d2d4-4e9d-4814-99ad-de2deeed9973_terseLabel_en-US" xlink:label="lab_abr_BridgeLoanTwoMultifamilyPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bridge loan, two multifamily properties</link:label>
    <link:label id="lab_abr_BridgeLoanTwoMultifamilyPropertiesMember_label_en-US" xlink:label="lab_abr_BridgeLoanTwoMultifamilyPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bridge loan, two multifamily properties</link:label>
    <link:label id="lab_abr_BridgeLoanTwoMultifamilyPropertiesMember_documentation_en-US" xlink:label="lab_abr_BridgeLoanTwoMultifamilyPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Information pertaining to bridge loan used to purchase two multifamily properties.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_BridgeLoanTwoMultifamilyPropertiesMember" xlink:href="abr-20240930.xsd#abr_BridgeLoanTwoMultifamilyPropertiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_BridgeLoanTwoMultifamilyPropertiesMember" xlink:to="lab_abr_BridgeLoanTwoMultifamilyPropertiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MortgageServicingLineItems_08378972-e629-47ba-bd82-ade1098cc3ed_terseLabel_en-US" xlink:label="lab_abr_MortgageServicingLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage Servicing</link:label>
    <link:label id="lab_abr_MortgageServicingLineItems_label_en-US" xlink:label="lab_abr_MortgageServicingLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Servicing [Line Items]</link:label>
    <link:label id="lab_abr_MortgageServicingLineItems_documentation_en-US" xlink:label="lab_abr_MortgageServicingLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MortgageServicingLineItems" xlink:href="abr-20240930.xsd#abr_MortgageServicingLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MortgageServicingLineItems" xlink:to="lab_abr_MortgageServicingLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueDisclosuresAbstract_37af7af0-1eeb-4c49-9f0d-c61220ab9ea9_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueDisclosuresAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Disclosures [Abstract]</link:label>
    <link:label id="lab_us-gaap_FairValueDisclosuresAbstract_label_en-US" xlink:label="lab_us-gaap_FairValueDisclosuresAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Disclosures [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract" xlink:to="lab_us-gaap_FairValueDisclosuresAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_A200MillionRepurchaseFacilityMember_daa277dd-371a-46f8-9667-4b7470caaecb_terseLabel_en-US" xlink:label="lab_abr_A200MillionRepurchaseFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$200M repurchase facility</link:label>
    <link:label id="lab_abr_A200MillionRepurchaseFacilityMember_label_en-US" xlink:label="lab_abr_A200MillionRepurchaseFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">$200 million repurchase facility [Member]</link:label>
    <link:label id="lab_abr_A200MillionRepurchaseFacilityMember_documentation_en-US" xlink:label="lab_abr_A200MillionRepurchaseFacilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to $200 million repurchase facility.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_A200MillionRepurchaseFacilityMember" xlink:href="abr-20240930.xsd#abr_A200MillionRepurchaseFacilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_A200MillionRepurchaseFacilityMember" xlink:to="lab_abr_A200MillionRepurchaseFacilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PreferredStockSharesOutstanding_05c9407c-5ca8-435b-acb6-16d1597e7f50_periodStartLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Preferred stock, beginning balance (in shares)</link:label>
    <link:label id="lab_us-gaap_PreferredStockSharesOutstanding_f092ab43-cb3b-4d75-b265-0a31b365ec5c_periodEndLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Preferred stock, ending balance (in shares)</link:label>
    <link:label id="lab_us-gaap_PreferredStockSharesOutstanding_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesOutstanding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Shares Outstanding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesOutstanding" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockSharesOutstanding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockSharesOutstanding" xlink:to="lab_us-gaap_PreferredStockSharesOutstanding" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_TransfersAndServicingAbstract_f478164f-8e40-4358-986d-00f6bbd77886_terseLabel_en-US" xlink:label="lab_us-gaap_TransfersAndServicingAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Transfers and Servicing [Abstract]</link:label>
    <link:label id="lab_us-gaap_TransfersAndServicingAbstract_label_en-US" xlink:label="lab_us-gaap_TransfersAndServicingAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Transfers and Servicing [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransfersAndServicingAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_TransfersAndServicingAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_TransfersAndServicingAbstract" xlink:to="lab_us-gaap_TransfersAndServicingAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_SecurityExchangeName_d0d42aa3-8b90-4a02-9099-7e1e63aa057c_terseLabel_en-US" xlink:label="lab_dei_SecurityExchangeName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Security Exchange Name</link:label>
    <link:label id="lab_dei_SecurityExchangeName_label_en-US" xlink:label="lab_dei_SecurityExchangeName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Security Exchange Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_SecurityExchangeName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_SecurityExchangeName" xlink:to="lab_dei_SecurityExchangeName" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_48168abb-0e45-4fba-b317-d540c026aaba_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variable rate, spread</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Basis Spread on Variable Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentBasisSpreadOnVariableRate1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:to="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossRollForward_2cf7e3b2-e27d-4bed-b780-101a7bfd617a_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossRollForward" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Changes in the allowance for credit losses</link:label>
    <link:label id="lab_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossRollForward_label_en-US" xlink:label="lab_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Roll Forward]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossRollForward" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossRollForward" xlink:to="lab_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLossRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RealEstateInvestmentFundMember_ddb012e9-8e92-4234-ba1c-c4b814ea2437_terseLabel_en-US" xlink:label="lab_abr_RealEstateInvestmentFundMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AMAC III</link:label>
    <link:label id="lab_abr_RealEstateInvestmentFundMember_label_en-US" xlink:label="lab_abr_RealEstateInvestmentFundMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">AMAC III</link:label>
    <link:label id="lab_abr_RealEstateInvestmentFundMember_documentation_en-US" xlink:label="lab_abr_RealEstateInvestmentFundMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to real estate investment fund.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RealEstateInvestmentFundMember" xlink:href="abr-20240930.xsd#abr_RealEstateInvestmentFundMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RealEstateInvestmentFundMember" xlink:to="lab_abr_RealEstateInvestmentFundMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RelatedPartyTransactionDomain_10c37dee-1da7-4e41-8b11-6edfffad0e30_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party Transaction [Domain]</link:label>
    <link:label id="lab_us-gaap_RelatedPartyTransactionDomain_label_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transaction [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionDomain" xlink:to="lab_us-gaap_RelatedPartyTransactionDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CollateralizedLoanObligationCollateralAtRisk_f6ed177e-b7a5-41f6-9133-a8c77d9ed39c_verboseLabel_en-US" xlink:label="lab_abr_CollateralizedLoanObligationCollateralAtRisk" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Collateral at risk</link:label>
    <link:label id="lab_abr_CollateralizedLoanObligationCollateralAtRisk_label_en-US" xlink:label="lab_abr_CollateralizedLoanObligationCollateralAtRisk" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collateralized Loan Obligation, Collateral at Risk</link:label>
    <link:label id="lab_abr_CollateralizedLoanObligationCollateralAtRisk_documentation_en-US" xlink:label="lab_abr_CollateralizedLoanObligationCollateralAtRisk" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the face value of collateral in default, as defined by the CDO indenture, as well as assets deemed to be a credit risk. Credit risk assets are reported by each of the CDOs and are generally defined as the one that, in the CDO collateral manager's reasonable business judgment, has a significant risk of declining in credit quality or, with a passage of time, becoming a defaulted asset.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CollateralizedLoanObligationCollateralAtRisk" xlink:href="abr-20240930.xsd#abr_CollateralizedLoanObligationCollateralAtRisk"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CollateralizedLoanObligationCollateralAtRisk" xlink:to="lab_abr_CollateralizedLoanObligationCollateralAtRisk" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LaborAndRelatedExpense_972a7923-f6c7-41d8-b260-36a64f0e52b1_terseLabel_en-US" xlink:label="lab_us-gaap_LaborAndRelatedExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Employee compensation and benefits</link:label>
    <link:label id="lab_us-gaap_LaborAndRelatedExpense_label_en-US" xlink:label="lab_us-gaap_LaborAndRelatedExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Labor and Related Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LaborAndRelatedExpense" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LaborAndRelatedExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LaborAndRelatedExpense" xlink:to="lab_us-gaap_LaborAndRelatedExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_JointRepurchaseFacility1.9BillionMember_07664dc1-c7e0-4c11-b77c-80603255493c_terseLabel_en-US" xlink:label="lab_abr_JointRepurchaseFacility1.9BillionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$1.9B joint repurchase facility</link:label>
    <link:label id="lab_abr_JointRepurchaseFacility1.9BillionMember_label_en-US" xlink:label="lab_abr_JointRepurchaseFacility1.9BillionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Joint Repurchase Facility 1.9 Billion [Member]</link:label>
    <link:label id="lab_abr_JointRepurchaseFacility1.9BillionMember_documentation_en-US" xlink:label="lab_abr_JointRepurchaseFacility1.9BillionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to $2.5 billion joint repurchase facility.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_JointRepurchaseFacility1.9BillionMember" xlink:href="abr-20240930.xsd#abr_JointRepurchaseFacility1.9BillionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_JointRepurchaseFacility1.9BillionMember" xlink:to="lab_abr_JointRepurchaseFacility1.9BillionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShortTermBorrowings_578ef7df-bf8b-4d8a-801a-19321520611f_terseLabel_en-US" xlink:label="lab_us-gaap_ShortTermBorrowings" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Short-term debt</link:label>
    <link:label id="lab_us-gaap_ShortTermBorrowings_label_en-US" xlink:label="lab_us-gaap_ShortTermBorrowings" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Short-Term Debt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShortTermBorrowings"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShortTermBorrowings" xlink:to="lab_us-gaap_ShortTermBorrowings" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RealEstateOwnedLand_0ff47ab3-5b1e-4cbb-98d5-04102af3bf70_terseLabel_en-US" xlink:label="lab_abr_RealEstateOwnedLand" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Land</link:label>
    <link:label id="lab_abr_RealEstateOwnedLand_label_en-US" xlink:label="lab_abr_RealEstateOwnedLand" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate, Owned, Land</link:label>
    <link:label id="lab_abr_RealEstateOwnedLand_documentation_en-US" xlink:label="lab_abr_RealEstateOwnedLand" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Real Estate, Owned, Land</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RealEstateOwnedLand" xlink:href="abr-20240930.xsd#abr_RealEstateOwnedLand"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RealEstateOwnedLand" xlink:to="lab_abr_RealEstateOwnedLand" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_ForgoneRecoveryExplanationOfImpracticabilityTextBlock_terseLabel_en-US" xlink:label="lab_ecd_ForgoneRecoveryExplanationOfImpracticabilityTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forgone Recovery, Explanation of Impracticability</link:label>
    <link:label id="lab_ecd_ForgoneRecoveryExplanationOfImpracticabilityTextBlock_label_en-US" xlink:label="lab_ecd_ForgoneRecoveryExplanationOfImpracticabilityTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forgone Recovery, Explanation of Impracticability [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_ForgoneRecoveryExplanationOfImpracticabilityTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_ForgoneRecoveryExplanationOfImpracticabilityTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_ForgoneRecoveryExplanationOfImpracticabilityTextBlock" xlink:to="lab_ecd_ForgoneRecoveryExplanationOfImpracticabilityTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_OperatingLeasesFutureMinimumPaymentsDueRemainderOfFiscalYear_0538c7db-7458-4f05-9a44-e328d4a16786_terseLabel_en-US" xlink:label="lab_abr_OperatingLeasesFutureMinimumPaymentsDueRemainderOfFiscalYear" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2024 (three months ending December 31, 2024)</link:label>
    <link:label id="lab_abr_OperatingLeasesFutureMinimumPaymentsDueRemainderOfFiscalYear_label_en-US" xlink:label="lab_abr_OperatingLeasesFutureMinimumPaymentsDueRemainderOfFiscalYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Leases, Future Minimum Payments Due, Remainder of Fiscal Year</link:label>
    <link:label id="lab_abr_OperatingLeasesFutureMinimumPaymentsDueRemainderOfFiscalYear_documentation_en-US" xlink:label="lab_abr_OperatingLeasesFutureMinimumPaymentsDueRemainderOfFiscalYear" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in remainder of current fiscal year.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_OperatingLeasesFutureMinimumPaymentsDueRemainderOfFiscalYear" xlink:href="abr-20240930.xsd#abr_OperatingLeasesFutureMinimumPaymentsDueRemainderOfFiscalYear"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_OperatingLeasesFutureMinimumPaymentsDueRemainderOfFiscalYear" xlink:to="lab_abr_OperatingLeasesFutureMinimumPaymentsDueRemainderOfFiscalYear" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MaturityDateOfAugust2023Member_c0bbbdb9-6138-4fd3-9d21-525fef57d14e_terseLabel_en-US" xlink:label="lab_abr_MaturityDateOfAugust2023Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity date of August 2023</link:label>
    <link:label id="lab_abr_MaturityDateOfAugust2023Member_label_en-US" xlink:label="lab_abr_MaturityDateOfAugust2023Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity date of August 2023</link:label>
    <link:label id="lab_abr_MaturityDateOfAugust2023Member_documentation_en-US" xlink:label="lab_abr_MaturityDateOfAugust2023Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the maturity date as August 2023</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MaturityDateOfAugust2023Member" xlink:href="abr-20240930.xsd#abr_MaturityDateOfAugust2023Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MaturityDateOfAugust2023Member" xlink:to="lab_abr_MaturityDateOfAugust2023Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueMeasurementsNonrecurringMember_ca7b5330-4b74-425c-becd-ac253de243ab_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementsNonrecurringMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Nonrecurring basis</link:label>
    <link:label id="lab_us-gaap_FairValueMeasurementsNonrecurringMember_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementsNonrecurringMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Nonrecurring [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsNonrecurringMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementsNonrecurringMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueMeasurementsNonrecurringMember" xlink:to="lab_us-gaap_FairValueMeasurementsNonrecurringMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery_d4810907-23e8-4387-9a31-4981449bf6c2_verboseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Provision for credit losses (net of recoveries)</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery" xlink:to="lab_us-gaap_FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_StructuredAndAgencyBusinessMember_bcfa8fb4-ea8f-4443-9677-dacdc72d05f2_terseLabel_en-US" xlink:label="lab_abr_StructuredAndAgencyBusinessMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Structured and Agency Business</link:label>
    <link:label id="lab_abr_StructuredAndAgencyBusinessMember_label_en-US" xlink:label="lab_abr_StructuredAndAgencyBusinessMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Structured and Agency Business [Member]</link:label>
    <link:label id="lab_abr_StructuredAndAgencyBusinessMember_documentation_en-US" xlink:label="lab_abr_StructuredAndAgencyBusinessMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Structured and Agency Business</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_StructuredAndAgencyBusinessMember" xlink:href="abr-20240930.xsd#abr_StructuredAndAgencyBusinessMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_StructuredAndAgencyBusinessMember" xlink:to="lab_abr_StructuredAndAgencyBusinessMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommonStockSharesIssued_7385ca39-1c12-49f9-9ec1-448c7d499d79_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock, shares issued (in shares)</link:label>
    <link:label id="lab_us-gaap_CommonStockSharesIssued_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesIssued" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Shares, Issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesIssued" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesIssued"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesIssued" xlink:to="lab_us-gaap_CommonStockSharesIssued" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityDomain_f45052ee-5dbb-44b9-8b39-59d65b968850_terseLabel_en-US" xlink:label="lab_dei_EntityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity [Domain]</link:label>
    <link:label id="lab_dei_EntityDomain_label_en-US" xlink:label="lab_dei_EntityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityDomain" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityDomain" xlink:to="lab_dei_EntityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_29f74fdf-06a7-46f3-9c59-cce88e896acb_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum borrowing capacity</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="lab_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_PrivateLabelMember_3cdb50f6-2b62-4521-8a15-f1602769a491_terseLabel_en-US" xlink:label="lab_abr_PrivateLabelMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Private Label</link:label>
    <link:label id="lab_abr_PrivateLabelMember_label_en-US" xlink:label="lab_abr_PrivateLabelMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Private Label [Member]</link:label>
    <link:label id="lab_abr_PrivateLabelMember_documentation_en-US" xlink:label="lab_abr_PrivateLabelMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member represents the information pertaining to private label loan.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_PrivateLabelMember" xlink:href="abr-20240930.xsd#abr_PrivateLabelMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_PrivateLabelMember" xlink:to="lab_abr_PrivateLabelMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableModifiedPercentOfDeferredInterestWaivedIfPaidOffByExtendedMaturityDate_2361796f-9878-4bf2-993f-273a93cdac23_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableModifiedPercentOfDeferredInterestWaivedIfPaidOffByExtendedMaturityDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of deferred interest waived</link:label>
    <link:label id="lab_abr_FinancingReceivableModifiedPercentOfDeferredInterestWaivedIfPaidOffByExtendedMaturityDate_label_en-US" xlink:label="lab_abr_FinancingReceivableModifiedPercentOfDeferredInterestWaivedIfPaidOffByExtendedMaturityDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Modified, Percent Of Deferred Interest Waived If Paid Off By Extended Maturity Date</link:label>
    <link:label id="lab_abr_FinancingReceivableModifiedPercentOfDeferredInterestWaivedIfPaidOffByExtendedMaturityDate_documentation_en-US" xlink:label="lab_abr_FinancingReceivableModifiedPercentOfDeferredInterestWaivedIfPaidOffByExtendedMaturityDate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Modified, Percent Of Deferred Interest Waived If Paid Off By Extended Maturity Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableModifiedPercentOfDeferredInterestWaivedIfPaidOffByExtendedMaturityDate" xlink:href="abr-20240930.xsd#abr_FinancingReceivableModifiedPercentOfDeferredInterestWaivedIfPaidOffByExtendedMaturityDate"/>
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    <link:label id="lab_us-gaap_ConcentrationRiskPercentage1_d4ab8cdf-f998-474d-a19d-cb95f50d2a00_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskPercentage1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Concentration risk, percentage</link:label>
    <link:label id="lab_us-gaap_ConcentrationRiskPercentage1_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskPercentage1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk, Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskPercentage1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskPercentage1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConcentrationRiskPercentage1" xlink:to="lab_us-gaap_ConcentrationRiskPercentage1" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NotesReceivableGross_09d44980-2c4c-4677-82e0-ca8cf0ed4d08_terseLabel_en-US" xlink:label="lab_us-gaap_NotesReceivableGross" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and investments</link:label>
    <link:label id="lab_us-gaap_NotesReceivableGross_b8416bc7-aa48-4589-aefc-dcb7f7bb1382_verboseLabel_en-US" xlink:label="lab_us-gaap_NotesReceivableGross" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Loans and investments, net, Principal/Notional Amount</link:label>
    <link:label id="lab_us-gaap_NotesReceivableGross_label_en-US" xlink:label="lab_us-gaap_NotesReceivableGross" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, before Allowance for Credit Loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesReceivableGross" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NotesReceivableGross"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NotesReceivableGross" xlink:to="lab_us-gaap_NotesReceivableGross" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff_9196e946-8222-49c5-95b4-dc2d910c7b89_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Charge-offs, Year Three</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Excluding Accrued Interest, Year Three, Originated, Two Years before Current Fiscal Year, Writeoff</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff" xlink:to="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeLiabilities_7de32526-3071-4875-b589-c93c83d31c79_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeLiabilities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial instruments</link:label>
    <link:label id="lab_us-gaap_DerivativeLiabilities_label_en-US" xlink:label="lab_us-gaap_DerivativeLiabilities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Liability</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeLiabilities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeLiabilities" xlink:to="lab_us-gaap_DerivativeLiabilities" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_InsiderTrdPoliciesProcAdoptedFlag_terseLabel_en-US" xlink:label="lab_ecd_InsiderTrdPoliciesProcAdoptedFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Insider Trading Policies and Procedures Adopted</link:label>
    <link:label id="lab_ecd_InsiderTrdPoliciesProcAdoptedFlag_label_en-US" xlink:label="lab_ecd_InsiderTrdPoliciesProcAdoptedFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Insider Trading Policies and Procedures Adopted [Flag]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_InsiderTrdPoliciesProcAdoptedFlag" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_InsiderTrdPoliciesProcAdoptedFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_InsiderTrdPoliciesProcAdoptedFlag" xlink:to="lab_ecd_InsiderTrdPoliciesProcAdoptedFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ProceedsFromSaleOfRealEstateCapitalizedAmount_70a9116b-67c9-4b2c-970b-7bb10e585889_terseLabel_en-US" xlink:label="lab_abr_ProceedsFromSaleOfRealEstateCapitalizedAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sale of real estate, capitalized amount</link:label>
    <link:label id="lab_abr_ProceedsFromSaleOfRealEstateCapitalizedAmount_label_en-US" xlink:label="lab_abr_ProceedsFromSaleOfRealEstateCapitalizedAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds From Sale of Real Estate, Capitalized Amount</link:label>
    <link:label id="lab_abr_ProceedsFromSaleOfRealEstateCapitalizedAmount_documentation_en-US" xlink:label="lab_abr_ProceedsFromSaleOfRealEstateCapitalizedAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Proceeds From Sale of Real Estate, Capitalized Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ProceedsFromSaleOfRealEstateCapitalizedAmount" xlink:href="abr-20240930.xsd#abr_ProceedsFromSaleOfRealEstateCapitalizedAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ProceedsFromSaleOfRealEstateCapitalizedAmount" xlink:to="lab_abr_ProceedsFromSaleOfRealEstateCapitalizedAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FirstDollarLTVRatio_2b9e8d5b-7bb7-4956-ad26-19d2492aa870_terseLabel_en-US" xlink:label="lab_abr_FirstDollarLTVRatio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Wtd. Avg. First Dollar LTV Ratio (as percent)</link:label>
    <link:label id="lab_abr_FirstDollarLTVRatio_label_en-US" xlink:label="lab_abr_FirstDollarLTVRatio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">First Dollar LTV Ratio</link:label>
    <link:label id="lab_abr_FirstDollarLTVRatio_documentation_en-US" xlink:label="lab_abr_FirstDollarLTVRatio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the weighted average First Dollar LTV Ratio that is calculated by comparing the total of the company's senior most dollar and all senior lien positions within the capital stack to the fair value of the underlying collateral to determine the point at which the company will absorb a total loss of its position.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FirstDollarLTVRatio" xlink:href="abr-20240930.xsd#abr_FirstDollarLTVRatio"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FirstDollarLTVRatio" xlink:to="lab_abr_FirstDollarLTVRatio" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock_c6df880f-b226-4a74-ba28-b2b77436d4e7_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Roll Forward of Level 3 Derivative Instruments</link:label>
    <link:label id="lab_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock_label_en-US" xlink:label="lab_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xlink:to="lab_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommonStockSharesAuthorized_19f4e270-b3ab-4a67-95b0-2e90bc2b977d_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock, shares authorized (in shares)</link:label>
    <link:label id="lab_us-gaap_CommonStockSharesAuthorized_label_en-US" xlink:label="lab_us-gaap_CommonStockSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Shares Authorized</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesAuthorized" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockSharesAuthorized"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockSharesAuthorized" xlink:to="lab_us-gaap_CommonStockSharesAuthorized" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeLiabilityNotionalAmount_545e692e-2709-478a-ba33-4b95cceccfb0_verboseLabel_en-US" xlink:label="lab_us-gaap_DerivativeLiabilityNotionalAmount" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Derivative financial instruments, Principal/Notional Amount</link:label>
    <link:label id="lab_us-gaap_DerivativeLiabilityNotionalAmount_label_en-US" xlink:label="lab_us-gaap_DerivativeLiabilityNotionalAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Liability, Notional Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilityNotionalAmount" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeLiabilityNotionalAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeLiabilityNotionalAmount" xlink:to="lab_us-gaap_DerivativeLiabilityNotionalAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember_0eeaf3fb-a212-4fb1-ba94-19c106901320_terseLabel_en-US" xlink:label="lab_us-gaap_AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Securitized debt</link:label>
    <link:label id="lab_us-gaap_AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember_label_en-US" xlink:label="lab_us-gaap_AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Asset-Backed Securities, Securitized Loans and Receivables [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember" xlink:to="lab_us-gaap_AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MortgageLoansOnRealEstateRemainingMaturityPeriodIncludingExtensionOptions_78841e8a-bef1-4183-9c4f-f48d82e893c1_terseLabel_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstateRemainingMaturityPeriodIncludingExtensionOptions" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average remaining months to maturity including extension options</link:label>
    <link:label id="lab_abr_MortgageLoansOnRealEstateRemainingMaturityPeriodIncludingExtensionOptions_label_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstateRemainingMaturityPeriodIncludingExtensionOptions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Loans on Real Estate Remaining Maturity Period, Including Extension Options</link:label>
    <link:label id="lab_abr_MortgageLoansOnRealEstateRemainingMaturityPeriodIncludingExtensionOptions_documentation_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstateRemainingMaturityPeriodIncludingExtensionOptions" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage Loans on Real Estate Remaining Maturity Period, Including Extension Options</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MortgageLoansOnRealEstateRemainingMaturityPeriodIncludingExtensionOptions" xlink:href="abr-20240930.xsd#abr_MortgageLoansOnRealEstateRemainingMaturityPeriodIncludingExtensionOptions"/>
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    <link:label id="lab_us-gaap_ServicingContractsMember_98992593-7791-4f23-9099-e9628d8c828b_terseLabel_en-US" xlink:label="lab_us-gaap_ServicingContractsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">MSRs</link:label>
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    <link:label id="lab_us-gaap_DeferredIncomeTaxExpenseBenefit_c3ba6580-583f-474d-b16c-f9632577feeb_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredIncomeTaxExpenseBenefit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred tax benefit</link:label>
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    <link:label id="lab_abr_LoansReceivableFloorInterestRate_c0e59d5c-dc88-4d84-9872-0d721ecfeb58_terseLabel_en-US" xlink:label="lab_abr_LoansReceivableFloorInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SOFR floor, percentage</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebt" xlink:to="lab_us-gaap_LongTermDebt" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_PnsnAdjsPrrSvcCstMember_terseLabel_en-US" xlink:label="lab_ecd_PnsnAdjsPrrSvcCstMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pension Adjustments Prior Service Cost</link:label>
    <link:label id="lab_ecd_PnsnAdjsPrrSvcCstMember_label_en-US" xlink:label="lab_ecd_PnsnAdjsPrrSvcCstMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension Adjustments Prior Service Cost [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_PnsnAdjsPrrSvcCstMember" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_PnsnAdjsPrrSvcCstMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_PnsnAdjsPrrSvcCstMember" xlink:to="lab_ecd_PnsnAdjsPrrSvcCstMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_PaymentsToPurchaseProperty_78331639-29b2-4b75-8c58-262ffc6d4d99_terseLabel_en-US" xlink:label="lab_abr_PaymentsToPurchaseProperty" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property purchased</link:label>
    <link:label id="lab_abr_PaymentsToPurchaseProperty_label_en-US" xlink:label="lab_abr_PaymentsToPurchaseProperty" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments To Purchase Property</link:label>
    <link:label id="lab_abr_PaymentsToPurchaseProperty_documentation_en-US" xlink:label="lab_abr_PaymentsToPurchaseProperty" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of Payments To Purchase Property.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_PaymentsToPurchaseProperty" xlink:href="abr-20240930.xsd#abr_PaymentsToPurchaseProperty"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_PaymentsToPurchaseProperty" xlink:to="lab_abr_PaymentsToPurchaseProperty" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_3841d6f2-c035-46ff-a650-f10d97111ca0_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Thereafter</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-Term Debt, Maturity, after Year Five</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_9fbd1692-b2f2-453b-acd8-2c19008a8425_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and investments, gross</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_1de04593-b01c-4a47-a721-15d1587ad348_totalLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Loans and investments, gross</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss" xlink:to="lab_us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_DebtInstrumentCovenantsAmountPayableOnDefaultOfSeniorDebt_d44d53ad-8b44-4088-bde2-9a80b4b1806c_terseLabel_en-US" xlink:label="lab_abr_DebtInstrumentCovenantsAmountPayableOnDefaultOfSeniorDebt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amount payable on default of senior debt</link:label>
    <link:label id="lab_abr_DebtInstrumentCovenantsAmountPayableOnDefaultOfSeniorDebt_label_en-US" xlink:label="lab_abr_DebtInstrumentCovenantsAmountPayableOnDefaultOfSeniorDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Covenants Amount Payable on Default of Senior Debt</link:label>
    <link:label id="lab_abr_DebtInstrumentCovenantsAmountPayableOnDefaultOfSeniorDebt_documentation_en-US" xlink:label="lab_abr_DebtInstrumentCovenantsAmountPayableOnDefaultOfSeniorDebt" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the amount payable on default of senior debt under debt instrument.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_DebtInstrumentCovenantsAmountPayableOnDefaultOfSeniorDebt" xlink:href="abr-20240930.xsd#abr_DebtInstrumentCovenantsAmountPayableOnDefaultOfSeniorDebt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_DebtInstrumentCovenantsAmountPayableOnDefaultOfSeniorDebt" xlink:to="lab_abr_DebtInstrumentCovenantsAmountPayableOnDefaultOfSeniorDebt" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueByBalanceSheetGroupingTable_9bf04025-1966-4ef6-944c-256a0f314590_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueByBalanceSheetGroupingTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, by Balance Sheet Grouping [Table]</link:label>
    <link:label id="lab_us-gaap_FairValueByBalanceSheetGroupingTable_label_en-US" xlink:label="lab_us-gaap_FairValueByBalanceSheetGroupingTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, by Balance Sheet Grouping [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByBalanceSheetGroupingTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueByBalanceSheetGroupingTable" xlink:to="lab_us-gaap_FairValueByBalanceSheetGroupingTable" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableFixedAccrualRate_8d68fdd0-45ef-4eb7-b724-7403e22c173d_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableFixedAccrualRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing receivable, fixed accrual rate</link:label>
    <link:label id="lab_abr_FinancingReceivableFixedAccrualRate_label_en-US" xlink:label="lab_abr_FinancingReceivableFixedAccrualRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Fixed Accrual Rate</link:label>
    <link:label id="lab_abr_FinancingReceivableFixedAccrualRate_documentation_en-US" xlink:label="lab_abr_FinancingReceivableFixedAccrualRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Fixed Accrual Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableFixedAccrualRate" xlink:href="abr-20240930.xsd#abr_FinancingReceivableFixedAccrualRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableFixedAccrualRate" xlink:to="lab_abr_FinancingReceivableFixedAccrualRate" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NumberOfLoansUnpaidPrincipalBalanceAxis_d5087ab0-e4e9-462e-8219-bedf1126118c_terseLabel_en-US" xlink:label="lab_abr_NumberOfLoansUnpaidPrincipalBalanceAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of Loans, Unpaid Principal Balance [Axis]</link:label>
    <link:label id="lab_abr_NumberOfLoansUnpaidPrincipalBalanceAxis_label_en-US" xlink:label="lab_abr_NumberOfLoansUnpaidPrincipalBalanceAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Loans, Unpaid Principal Balance [Axis]</link:label>
    <link:label id="lab_abr_NumberOfLoansUnpaidPrincipalBalanceAxis_documentation_en-US" xlink:label="lab_abr_NumberOfLoansUnpaidPrincipalBalanceAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Information pertaining to number of loans with an unpaid principal balance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NumberOfLoansUnpaidPrincipalBalanceAxis" xlink:href="abr-20240930.xsd#abr_NumberOfLoansUnpaidPrincipalBalanceAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NumberOfLoansUnpaidPrincipalBalanceAxis" xlink:to="lab_abr_NumberOfLoansUnpaidPrincipalBalanceAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_b379e22f-7561-4e5f-9968-79c663da4da5_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_GainLossOnDerivativeInstrumentsNetPretax" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Loss on derivative instruments, net</link:label>
    <link:label id="lab_us-gaap_GainLossOnDerivativeInstrumentsNetPretax_label_en-US" xlink:label="lab_us-gaap_GainLossOnDerivativeInstrumentsNetPretax" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gain (Loss) on Derivative Instruments, Net, Pretax</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainLossOnDerivativeInstrumentsNetPretax"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainLossOnDerivativeInstrumentsNetPretax" xlink:to="lab_us-gaap_GainLossOnDerivativeInstrumentsNetPretax" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsExtinguishmentOfDebtSaleOfRealEstateIncomeTaxesNoncontrollingInterest_fd4ec55d-9607-4844-a535-e6f4239a4a60_totalLabel_en-US" xlink:label="lab_abr_IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsExtinguishmentOfDebtSaleOfRealEstateIncomeTaxesNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Income before extinguishment of debt, sale of real estate, income from equity affiliates and income taxes</link:label>
    <link:label id="lab_abr_IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsExtinguishmentOfDebtSaleOfRealEstateIncomeTaxesNoncontrollingInterest_label_en-US" xlink:label="lab_abr_IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsExtinguishmentOfDebtSaleOfRealEstateIncomeTaxesNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income (Loss) From Continuing Operations before Equity Method Investments, Extinguishment of Debt, Sale of Real Estate, Income Taxes, Noncontrolling Interest</link:label>
    <link:label id="lab_abr_IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsExtinguishmentOfDebtSaleOfRealEstateIncomeTaxesNoncontrollingInterest_documentation_en-US" xlink:label="lab_abr_IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsExtinguishmentOfDebtSaleOfRealEstateIncomeTaxesNoncontrollingInterest" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of income (loss) from continuing operations before deduction of income tax expense (benefit), extinguishment of debt, sale of real estate and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsExtinguishmentOfDebtSaleOfRealEstateIncomeTaxesNoncontrollingInterest" xlink:href="abr-20240930.xsd#abr_IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsExtinguishmentOfDebtSaleOfRealEstateIncomeTaxesNoncontrollingInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsExtinguishmentOfDebtSaleOfRealEstateIncomeTaxesNoncontrollingInterest" xlink:to="lab_abr_IncomeLossFromContinuingOperationsBeforeEquityMethodInvestmentsExtinguishmentOfDebtSaleOfRealEstateIncomeTaxesNoncontrollingInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_PnsnBnftsAdjFnTextBlock_terseLabel_en-US" xlink:label="lab_ecd_PnsnBnftsAdjFnTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Pension Benefits Adjustments, Footnote</link:label>
    <link:label id="lab_ecd_PnsnBnftsAdjFnTextBlock_label_en-US" xlink:label="lab_ecd_PnsnBnftsAdjFnTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Pension Benefits Adjustments, Footnote [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_PnsnBnftsAdjFnTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_PnsnBnftsAdjFnTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_PnsnBnftsAdjFnTextBlock" xlink:to="lab_ecd_PnsnBnftsAdjFnTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CollateralCarryingValue_afbcc301-891f-41db-8156-efac7b64baa0_verboseLabel_en-US" xlink:label="lab_abr_CollateralCarryingValue" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Collateral Carrying Value</link:label>
    <link:label id="lab_abr_CollateralCarryingValue_label_en-US" xlink:label="lab_abr_CollateralCarryingValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collateral Carrying Value</link:label>
    <link:label id="lab_abr_CollateralCarryingValue_documentation_en-US" xlink:label="lab_abr_CollateralCarryingValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The balance represents the carrying value of loans and securities held as collateral.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CollateralCarryingValue" xlink:href="abr-20240930.xsd#abr_CollateralCarryingValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CollateralCarryingValue" xlink:to="lab_abr_CollateralCarryingValue" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_PreferredStockAmountOfAccruedDividend_1559c5bd-1730-4d92-8495-e8377cac8c1f_terseLabel_en-US" xlink:label="lab_abr_PreferredStockAmountOfAccruedDividend" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Distributions accrued on preferred stock</link:label>
    <link:label id="lab_abr_PreferredStockAmountOfAccruedDividend_label_en-US" xlink:label="lab_abr_PreferredStockAmountOfAccruedDividend" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock Amount of Accrued Dividend</link:label>
    <link:label id="lab_abr_PreferredStockAmountOfAccruedDividend_documentation_en-US" xlink:label="lab_abr_PreferredStockAmountOfAccruedDividend" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Aggregate amount of preferred dividend accrued.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_PreferredStockAmountOfAccruedDividend" xlink:href="abr-20240930.xsd#abr_PreferredStockAmountOfAccruedDividend"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_PreferredStockAmountOfAccruedDividend" xlink:to="lab_abr_PreferredStockAmountOfAccruedDividend" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_AgencyPrivateLabelCertificatesMember_f4049080-a9c8-4df8-a9ec-ca515961ec7b_terseLabel_en-US" xlink:label="lab_abr_AgencyPrivateLabelCertificatesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">APL certificates</link:label>
    <link:label id="lab_abr_AgencyPrivateLabelCertificatesMember_label_en-US" xlink:label="lab_abr_AgencyPrivateLabelCertificatesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Agency Private Label Certificates [Member]</link:label>
    <link:label id="lab_abr_AgencyPrivateLabelCertificatesMember_documentation_en-US" xlink:label="lab_abr_AgencyPrivateLabelCertificatesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to agency private label certificates.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_AgencyPrivateLabelCertificatesMember" xlink:href="abr-20240930.xsd#abr_AgencyPrivateLabelCertificatesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_AgencyPrivateLabelCertificatesMember" xlink:to="lab_abr_AgencyPrivateLabelCertificatesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_TotalShareholderRtnVsPeerGroupTextBlock_terseLabel_en-US" xlink:label="lab_ecd_TotalShareholderRtnVsPeerGroupTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total Shareholder Return Vs Peer Group</link:label>
    <link:label id="lab_ecd_TotalShareholderRtnVsPeerGroupTextBlock_label_en-US" xlink:label="lab_ecd_TotalShareholderRtnVsPeerGroupTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Total Shareholder Return Vs Peer Group [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_TotalShareholderRtnVsPeerGroupTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_TotalShareholderRtnVsPeerGroupTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_TotalShareholderRtnVsPeerGroupTextBlock" xlink:to="lab_ecd_TotalShareholderRtnVsPeerGroupTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_WriteOffOfCapitalizedMortgageServicingRightsFromPayoffs_df35c1e5-66d2-4bd9-aa4a-8e7dbbe4035a_terseLabel_en-US" xlink:label="lab_abr_WriteOffOfCapitalizedMortgageServicingRightsFromPayoffs" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Write-off of capitalized mortgage servicing rights from payoffs</link:label>
    <link:label id="lab_abr_WriteOffOfCapitalizedMortgageServicingRightsFromPayoffs_label_en-US" xlink:label="lab_abr_WriteOffOfCapitalizedMortgageServicingRightsFromPayoffs" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Write Off Of Capitalized Mortgage Servicing Rights From Payoffs</link:label>
    <link:label id="lab_abr_WriteOffOfCapitalizedMortgageServicingRightsFromPayoffs_documentation_en-US" xlink:label="lab_abr_WriteOffOfCapitalizedMortgageServicingRightsFromPayoffs" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of capitalized mortgage servicing rights written-off from payoffs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_WriteOffOfCapitalizedMortgageServicingRightsFromPayoffs" xlink:href="abr-20240930.xsd#abr_WriteOffOfCapitalizedMortgageServicingRightsFromPayoffs"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_WriteOffOfCapitalizedMortgageServicingRightsFromPayoffs" xlink:to="lab_abr_WriteOffOfCapitalizedMortgageServicingRightsFromPayoffs" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LoanModificationExtendedMaturityMember_bd49de1f-5e9c-4ac5-8e1e-40f7d950cf72_terseLabel_en-US" xlink:label="lab_abr_LoanModificationExtendedMaturityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Extended Maturity</link:label>
    <link:label id="lab_abr_LoanModificationExtendedMaturityMember_label_en-US" xlink:label="lab_abr_LoanModificationExtendedMaturityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan Modification, Extended Maturity [Member]</link:label>
    <link:label id="lab_abr_LoanModificationExtendedMaturityMember_documentation_en-US" xlink:label="lab_abr_LoanModificationExtendedMaturityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loan Modification, Extended Maturity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LoanModificationExtendedMaturityMember" xlink:href="abr-20240930.xsd#abr_LoanModificationExtendedMaturityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LoanModificationExtendedMaturityMember" xlink:to="lab_abr_LoanModificationExtendedMaturityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_2fb8617c-5a6d-4536-a2c5-4e0bd3a65425_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments in equity affiliates</link:label>
    <link:label id="lab_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_5cfd583a-cfe3-430c-a697-6fd7111aad62_verboseLabel_en-US" xlink:label="lab_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Investment in Equity Affiliates</link:label>
    <link:label id="lab_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures_label_en-US" xlink:label="lab_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:to="lab_us-gaap_InvestmentsInAffiliatesSubsidiariesAssociatesAndJointVentures" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableSpecificReserve_1c62979d-fb93-4f41-94a0-8ac9da57506f_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableSpecificReserve" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing receivable, specific reserve</link:label>
    <link:label id="lab_abr_FinancingReceivableSpecificReserve_label_en-US" xlink:label="lab_abr_FinancingReceivableSpecificReserve" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Specific Reserve</link:label>
    <link:label id="lab_abr_FinancingReceivableSpecificReserve_documentation_en-US" xlink:label="lab_abr_FinancingReceivableSpecificReserve" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Specific Reserve</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableSpecificReserve" xlink:href="abr-20240930.xsd#abr_FinancingReceivableSpecificReserve"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableSpecificReserve" xlink:to="lab_abr_FinancingReceivableSpecificReserve" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableModificationsRefinancingAndOrExtensionsMadeConsideredTroubleDebtRestructuringNumberOfLoans_7f654e39-7b6a-432c-b51e-cdf6d5d73752_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableModificationsRefinancingAndOrExtensionsMadeConsideredTroubleDebtRestructuringNumberOfLoans" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan modification, refinancing, and extensions</link:label>
    <link:label id="lab_abr_FinancingReceivableModificationsRefinancingAndOrExtensionsMadeConsideredTroubleDebtRestructuringNumberOfLoans_label_en-US" xlink:label="lab_abr_FinancingReceivableModificationsRefinancingAndOrExtensionsMadeConsideredTroubleDebtRestructuringNumberOfLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable Modifications Refinancing And Or Extensions Made Considered Trouble Debt Restructuring Number Of Loans</link:label>
    <link:label id="lab_abr_FinancingReceivableModificationsRefinancingAndOrExtensionsMadeConsideredTroubleDebtRestructuringNumberOfLoans_documentation_en-US" xlink:label="lab_abr_FinancingReceivableModificationsRefinancingAndOrExtensionsMadeConsideredTroubleDebtRestructuringNumberOfLoans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of financing receivables that have been modified by troubled debt restructurings.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableModificationsRefinancingAndOrExtensionsMadeConsideredTroubleDebtRestructuringNumberOfLoans" xlink:href="abr-20240930.xsd#abr_FinancingReceivableModificationsRefinancingAndOrExtensionsMadeConsideredTroubleDebtRestructuringNumberOfLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableModificationsRefinancingAndOrExtensionsMadeConsideredTroubleDebtRestructuringNumberOfLoans" xlink:to="lab_abr_FinancingReceivableModificationsRefinancingAndOrExtensionsMadeConsideredTroubleDebtRestructuringNumberOfLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LoansReceivableHeldForSaleDisclosureTextBlock_5b3d299d-819d-4d7c-8b40-205a76018224_terseLabel_en-US" xlink:label="lab_abr_LoansReceivableHeldForSaleDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans Held-for-Sale</link:label>
    <link:label id="lab_abr_LoansReceivableHeldForSaleDisclosureTextBlock_label_en-US" xlink:label="lab_abr_LoansReceivableHeldForSaleDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Receivable Held-for-Sale Disclosure [Text Block]</link:label>
    <link:label id="lab_abr_LoansReceivableHeldForSaleDisclosureTextBlock_documentation_en-US" xlink:label="lab_abr_LoansReceivableHeldForSaleDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure for the aggregate carrying amount of loans receivable that will be sold to other entities. Includes mortgage and all other loans (collectively, loans) not classified as held for investment. Such loans are stated at the lower of cost or market, or elected fair value. Mortgage loans exclude mortgage-backed securities which are considered a debt security (other loan).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LoansReceivableHeldForSaleDisclosureTextBlock" xlink:href="abr-20240930.xsd#abr_LoansReceivableHeldForSaleDisclosureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LoansReceivableHeldForSaleDisclosureTextBlock" xlink:to="lab_abr_LoansReceivableHeldForSaleDisclosureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_57407f6d-33c6-4e54-b0eb-64e4b8c4e469_verboseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Restricted stock vested during period (in shares)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ParentMember_bd7b4e2d-5972-4626-84ed-0e86d6640024_terseLabel_en-US" xlink:label="lab_us-gaap_ParentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total Arbor Realty Trust, Inc. Stockholders&#8217; Equity</link:label>
    <link:label id="lab_us-gaap_ParentMember_label_en-US" xlink:label="lab_us-gaap_ParentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Parent [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ParentMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ParentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ParentMember" xlink:to="lab_us-gaap_ParentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PaymentsOfFinancingCosts_0ceda0c0-e849-4757-b4e4-8ca864960537_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsOfFinancingCosts" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Payment of deferred financing costs</link:label>
    <link:label id="lab_us-gaap_PaymentsOfFinancingCosts_label_en-US" xlink:label="lab_us-gaap_PaymentsOfFinancingCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payments of Financing Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfFinancingCosts" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsOfFinancingCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsOfFinancingCosts" xlink:to="lab_us-gaap_PaymentsOfFinancingCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MaturityDateOfMarch2025CommittedFebruary2022Member_56e21a10-e08a-4fd0-8684-bbfa66bdcfe9_terseLabel_en-US" xlink:label="lab_abr_MaturityDateOfMarch2025CommittedFebruary2022Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity date of March 2025, Committed February 2022</link:label>
    <link:label id="lab_abr_MaturityDateOfMarch2025CommittedFebruary2022Member_label_en-US" xlink:label="lab_abr_MaturityDateOfMarch2025CommittedFebruary2022Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity date of March 2025, Committed February 2022 [Member]</link:label>
    <link:label id="lab_abr_MaturityDateOfMarch2025CommittedFebruary2022Member_documentation_en-US" xlink:label="lab_abr_MaturityDateOfMarch2025CommittedFebruary2022Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maturity date of March 2025, Committed February 2022</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MaturityDateOfMarch2025CommittedFebruary2022Member" xlink:href="abr-20240930.xsd#abr_MaturityDateOfMarch2025CommittedFebruary2022Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MaturityDateOfMarch2025CommittedFebruary2022Member" xlink:to="lab_abr_MaturityDateOfMarch2025CommittedFebruary2022Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccountingPoliciesAbstract_label_en-US" xlink:label="lab_us-gaap_AccountingPoliciesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounting Policies [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountingPoliciesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountingPoliciesAbstract" xlink:to="lab_us-gaap_AccountingPoliciesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LiabilitiesAbstract_7f0d2367-5e62-4880-9399-448785bfb354_terseLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Liabilities:</link:label>
    <link:label id="lab_us-gaap_LiabilitiesAbstract_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAbstract" xlink:to="lab_us-gaap_LiabilitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CollateralizedLoanObligationsEighteenMember_e4a8e4d3-61a9-4227-bf82-545aabf9488f_terseLabel_en-US" xlink:label="lab_abr_CollateralizedLoanObligationsEighteenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CLO 18</link:label>
    <link:label id="lab_abr_CollateralizedLoanObligationsEighteenMember_label_en-US" xlink:label="lab_abr_CollateralizedLoanObligationsEighteenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collateralized Loan Obligations Eighteen [Member]</link:label>
    <link:label id="lab_abr_CollateralizedLoanObligationsEighteenMember_documentation_en-US" xlink:label="lab_abr_CollateralizedLoanObligationsEighteenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for collateralized loan obligations eighteen.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CollateralizedLoanObligationsEighteenMember" xlink:href="abr-20240930.xsd#abr_CollateralizedLoanObligationsEighteenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CollateralizedLoanObligationsEighteenMember" xlink:to="lab_abr_CollateralizedLoanObligationsEighteenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PreferredStockDividendsIncomeStatementImpact_5f44351c-9b69-483b-992c-4edebb1b41ca_verboseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockDividendsIncomeStatementImpact" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Preferred stock dividends</link:label>
    <link:label id="lab_us-gaap_PreferredStockDividendsIncomeStatementImpact_label_en-US" xlink:label="lab_us-gaap_PreferredStockDividendsIncomeStatementImpact" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock Dividends, Income Statement Impact</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendsIncomeStatementImpact" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockDividendsIncomeStatementImpact"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockDividendsIncomeStatementImpact" xlink:to="lab_us-gaap_PreferredStockDividendsIncomeStatementImpact" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_b37d41f8-1ab1-494b-acbd-21e616304d20_terseLabel_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:label id="lab_dei_CurrentFiscalYearEndDate_label_en-US" xlink:label="lab_dei_CurrentFiscalYearEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Fiscal Year End Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_CurrentFiscalYearEndDate" xlink:to="lab_dei_CurrentFiscalYearEndDate" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_OwnershipPercentageLimit_658d5e7f-ea32-4a33-88b1-d96f4181132d_terseLabel_en-US" xlink:label="lab_abr_OwnershipPercentageLimit" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ownership percentage limit of our common stock under company charter</link:label>
    <link:label id="lab_abr_OwnershipPercentageLimit_label_en-US" xlink:label="lab_abr_OwnershipPercentageLimit" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ownership Percentage Limit</link:label>
    <link:label id="lab_abr_OwnershipPercentageLimit_documentation_en-US" xlink:label="lab_abr_OwnershipPercentageLimit" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the maximum percentage of ownership interest of the Company's common stock allowed under the company's charter.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_OwnershipPercentageLimit" xlink:href="abr-20240930.xsd#abr_OwnershipPercentageLimit"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_OwnershipPercentageLimit" xlink:to="lab_abr_OwnershipPercentageLimit" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InterestRateLockCommitmentsMember_994eca31-f40f-4265-8051-56082ae3a1f8_terseLabel_en-US" xlink:label="lab_us-gaap_InterestRateLockCommitmentsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rate lock commitments</link:label>
    <link:label id="lab_us-gaap_InterestRateLockCommitmentsMember_label_en-US" xlink:label="lab_us-gaap_InterestRateLockCommitmentsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Rate Lock Commitments [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestRateLockCommitmentsMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestRateLockCommitmentsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestRateLockCommitmentsMember" xlink:to="lab_us-gaap_InterestRateLockCommitmentsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_PeoName_terseLabel_en-US" xlink:label="lab_ecd_PeoName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">PEO Name</link:label>
    <link:label id="lab_ecd_PeoName_label_en-US" xlink:label="lab_ecd_PeoName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">PEO Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_PeoName" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_PeoName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_PeoName" xlink:to="lab_ecd_PeoName" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ServicingContractsOriginatedMember_16e0ff5b-004f-45c2-b25e-9bb4bd81a4bc_terseLabel_en-US" xlink:label="lab_abr_ServicingContractsOriginatedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Originated</link:label>
    <link:label id="lab_abr_ServicingContractsOriginatedMember_label_en-US" xlink:label="lab_abr_ServicingContractsOriginatedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Originated</link:label>
    <link:label id="lab_abr_ServicingContractsOriginatedMember_documentation_en-US" xlink:label="lab_abr_ServicingContractsOriginatedMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to contracts to service financial assets originated.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ServicingContractsOriginatedMember" xlink:href="abr-20240930.xsd#abr_ServicingContractsOriginatedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ServicingContractsOriginatedMember" xlink:to="lab_abr_ServicingContractsOriginatedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableBeforeAllowanceForCreditLossFundedAndUnfunded_8bf17946-cc97-4deb-a2e1-8dc60ede8b42_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableBeforeAllowanceForCreditLossFundedAndUnfunded" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total loan commitment</link:label>
    <link:label id="lab_abr_FinancingReceivableBeforeAllowanceForCreditLossFundedAndUnfunded_label_en-US" xlink:label="lab_abr_FinancingReceivableBeforeAllowanceForCreditLossFundedAndUnfunded" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, before Allowance for Credit Loss, Funded and Unfunded</link:label>
    <link:label id="lab_abr_FinancingReceivableBeforeAllowanceForCreditLossFundedAndUnfunded_documentation_en-US" xlink:label="lab_abr_FinancingReceivableBeforeAllowanceForCreditLossFundedAndUnfunded" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Funded and unfunded amount, before allowance for credit loss, of financing receivable.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableBeforeAllowanceForCreditLossFundedAndUnfunded" xlink:href="abr-20240930.xsd#abr_FinancingReceivableBeforeAllowanceForCreditLossFundedAndUnfunded"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableBeforeAllowanceForCreditLossFundedAndUnfunded" xlink:to="lab_abr_FinancingReceivableBeforeAllowanceForCreditLossFundedAndUnfunded" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_VestingAxis_7fe451c1-6a32-401f-8214-91b94db41d25_terseLabel_en-US" xlink:label="lab_us-gaap_VestingAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Vesting [Axis]</link:label>
    <link:label id="lab_us-gaap_VestingAxis_label_en-US" xlink:label="lab_us-gaap_VestingAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Vesting [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VestingAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VestingAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VestingAxis" xlink:to="lab_us-gaap_VestingAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_8c3d7b42-2ba4-4e54-9c8b-3a2ba77cc820_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Award Type [Domain]</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Award Type [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:to="lab_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardAwardTypeAndPlanNameDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ScheduleOfOvercollateralizationRatioCovenantComplianceTableTextBlock_d03818aa-1b94-456d-a27b-b8d6b50fc265_terseLabel_en-US" xlink:label="lab_abr_ScheduleOfOvercollateralizationRatioCovenantComplianceTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of CLO Overcollateralization Ratios</link:label>
    <link:label id="lab_abr_ScheduleOfOvercollateralizationRatioCovenantComplianceTableTextBlock_label_en-US" xlink:label="lab_abr_ScheduleOfOvercollateralizationRatioCovenantComplianceTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Overcollateralization Ratio Covenant Compliance [Table Text Block]</link:label>
    <link:label id="lab_abr_ScheduleOfOvercollateralizationRatioCovenantComplianceTableTextBlock_documentation_en-US" xlink:label="lab_abr_ScheduleOfOvercollateralizationRatioCovenantComplianceTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of overcollateralization ratio maintained during the period under covenant compliance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ScheduleOfOvercollateralizationRatioCovenantComplianceTableTextBlock" xlink:href="abr-20240930.xsd#abr_ScheduleOfOvercollateralizationRatioCovenantComplianceTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ScheduleOfOvercollateralizationRatioCovenantComplianceTableTextBlock" xlink:to="lab_abr_ScheduleOfOvercollateralizationRatioCovenantComplianceTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LoanRestructuringModificationDomain_ed31196b-94d6-439f-8380-4db9cc4110fb_terseLabel_en-US" xlink:label="lab_us-gaap_LoanRestructuringModificationDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan Restructuring Modification [Domain]</link:label>
    <link:label id="lab_us-gaap_LoanRestructuringModificationDomain_label_en-US" xlink:label="lab_us-gaap_LoanRestructuringModificationDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan Restructuring Modification [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoanRestructuringModificationDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LoanRestructuringModificationDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoanRestructuringModificationDomain" xlink:to="lab_us-gaap_LoanRestructuringModificationDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_2c3a2f03-b9db-48f5-bbe6-27ba2ecb21b4_verboseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Stock-based compensation, net (in shares)</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_IndependentOwnershipGroupsMember_2e7c434c-929b-404e-accf-a2bba1db56fb_terseLabel_en-US" xlink:label="lab_abr_IndependentOwnershipGroupsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Independent Ownership Groups</link:label>
    <link:label id="lab_abr_IndependentOwnershipGroupsMember_label_en-US" xlink:label="lab_abr_IndependentOwnershipGroupsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Independent Ownership Groups [Member]</link:label>
    <link:label id="lab_abr_IndependentOwnershipGroupsMember_documentation_en-US" xlink:label="lab_abr_IndependentOwnershipGroupsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Independent Ownership Groups</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_IndependentOwnershipGroupsMember" xlink:href="abr-20240930.xsd#abr_IndependentOwnershipGroupsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_IndependentOwnershipGroupsMember" xlink:to="lab_abr_IndependentOwnershipGroupsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock_terseLabel_en-US" xlink:label="lab_ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Compensation Actually Paid vs. Company Selected Measure</link:label>
    <link:label id="lab_ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock_label_en-US" xlink:label="lab_ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Compensation Actually Paid vs. Company Selected Measure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock" xlink:to="lab_ecd_CompActuallyPaidVsCoSelectedMeasureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RealEstateAcquiredSettlementOfMortgageLoan_39087002-cf58-4a05-a2cd-e88459baf5ce_terseLabel_en-US" xlink:label="lab_abr_RealEstateAcquiredSettlementOfMortgageLoan" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real estate acquired in settlement of loans and investments, net</link:label>
    <link:label id="lab_abr_RealEstateAcquiredSettlementOfMortgageLoan_label_en-US" xlink:label="lab_abr_RealEstateAcquiredSettlementOfMortgageLoan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Acquired, Settlement Of Mortgage Loan</link:label>
    <link:label id="lab_abr_RealEstateAcquiredSettlementOfMortgageLoan_documentation_en-US" xlink:label="lab_abr_RealEstateAcquiredSettlementOfMortgageLoan" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Real Estate Acquired, Settlement Of Mortgage Loan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RealEstateAcquiredSettlementOfMortgageLoan" xlink:href="abr-20240930.xsd#abr_RealEstateAcquiredSettlementOfMortgageLoan"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RealEstateAcquiredSettlementOfMortgageLoan" xlink:to="lab_abr_RealEstateAcquiredSettlementOfMortgageLoan" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_NonPeoNeoMember_terseLabel_en-US" xlink:label="lab_ecd_NonPeoNeoMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-PEO NEO</link:label>
    <link:label id="lab_ecd_NonPeoNeoMember_label_en-US" xlink:label="lab_ecd_NonPeoNeoMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-PEO NEO [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_NonPeoNeoMember" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_NonPeoNeoMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_NonPeoNeoMember" xlink:to="lab_ecd_NonPeoNeoMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_b00e7894-077a-492d-a05b-09d5b5530c8f_verboseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Wtd. Avg. Life of Portfolio (years)</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Asset, Useful Life</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetUsefulLife" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ContractuallySpecifiedServicingFeesAmountGross_bd17e3ff-4944-4f4f-9967-47007d35a076_terseLabel_en-US" xlink:label="lab_abr_ContractuallySpecifiedServicingFeesAmountGross" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Servicing fees</link:label>
    <link:label id="lab_abr_ContractuallySpecifiedServicingFeesAmountGross_label_en-US" xlink:label="lab_abr_ContractuallySpecifiedServicingFeesAmountGross" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractually Specified Servicing Fees, Amount, Gross</link:label>
    <link:label id="lab_abr_ContractuallySpecifiedServicingFeesAmountGross_documentation_en-US" xlink:label="lab_abr_ContractuallySpecifiedServicingFeesAmountGross" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">All amounts that, per contract, are due to the servicer in exchange for servicing the financial asset and would no longer be received by a servicer if the beneficial owners of the serviced assets (or their trustees or agents) were to exercise their actual or potential authority under the contract to shift the servicing to another servicer, net of amortization of mortgage servicing rights (MSRs).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ContractuallySpecifiedServicingFeesAmountGross" xlink:href="abr-20240930.xsd#abr_ContractuallySpecifiedServicingFeesAmountGross"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ContractuallySpecifiedServicingFeesAmountGross" xlink:to="lab_abr_ContractuallySpecifiedServicingFeesAmountGross" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_BPieceBondsMember_c67e2e6a-5bcb-48a9-8377-f2becfe775f1_terseLabel_en-US" xlink:label="lab_abr_BPieceBondsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">B Piece bonds</link:label>
    <link:label id="lab_abr_BPieceBondsMember_label_en-US" xlink:label="lab_abr_BPieceBondsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">B Piece Bonds [Member]</link:label>
    <link:label id="lab_abr_BPieceBondsMember_documentation_en-US" xlink:label="lab_abr_BPieceBondsMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to B piece bonds.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_BPieceBondsMember" xlink:href="abr-20240930.xsd#abr_BPieceBondsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_BPieceBondsMember" xlink:to="lab_abr_BPieceBondsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery_cdbe019c-a5d3-4451-bde8-7334086d3f62_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan reserve</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Allowance for Credit Loss, Recovery</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery" xlink:to="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AdditionalPaidInCapitalMember_d70697fa-8a0f-4e7a-9389-a55248fdeea0_terseLabel_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional Paid-in Capital</link:label>
    <link:label id="lab_us-gaap_AdditionalPaidInCapitalMember_label_en-US" xlink:label="lab_us-gaap_AdditionalPaidInCapitalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Paid-in Capital [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdditionalPaidInCapitalMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdditionalPaidInCapitalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdditionalPaidInCapitalMember" xlink:to="lab_us-gaap_AdditionalPaidInCapitalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_34743545-eca8-4f53-8b54-31b61e714855_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Loans Held-for-Sale, Net</link:label>
    <link:label id="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:to="lab_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CollateralSecuritizeDebtMember_8902f9aa-c0b2-4fe6-9d3e-59db74f74e4e_terseLabel_en-US" xlink:label="lab_abr_CollateralSecuritizeDebtMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total securitized debt</link:label>
    <link:label id="lab_abr_CollateralSecuritizeDebtMember_label_en-US" xlink:label="lab_abr_CollateralSecuritizeDebtMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collateral Securitize Debt [Member]</link:label>
    <link:label id="lab_abr_CollateralSecuritizeDebtMember_documentation_en-US" xlink:label="lab_abr_CollateralSecuritizeDebtMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information about collateral securitize debt.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CollateralSecuritizeDebtMember" xlink:href="abr-20240930.xsd#abr_CollateralSecuritizeDebtMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CollateralSecuritizeDebtMember" xlink:to="lab_abr_CollateralSecuritizeDebtMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ClassOfStockLineItems_dbeda9cb-e51d-4586-bc61-f3d71cc61dec_terseLabel_en-US" xlink:label="lab_us-gaap_ClassOfStockLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity</link:label>
    <link:label id="lab_us-gaap_ClassOfStockLineItems_label_en-US" xlink:label="lab_us-gaap_ClassOfStockLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Stock [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ClassOfStockLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ClassOfStockLineItems" xlink:to="lab_us-gaap_ClassOfStockLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LossContingencyDisclosures_c01d6166-1876-4ad5-934c-067faae7b0fd_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingencyDisclosures" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allowance for Loss-Sharing Obligations</link:label>
    <link:label id="lab_us-gaap_LossContingencyDisclosures_label_en-US" xlink:label="lab_us-gaap_LossContingencyDisclosures" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contingencies Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyDisclosures" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingencyDisclosures"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingencyDisclosures" xlink:to="lab_us-gaap_LossContingencyDisclosures" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff_215d50c7-b9e2-4ac7-a1ae-f26ad9c937c0_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Charge-offs, Year Five</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Excluding Accrued Interest, Year Five, Originated, Four Years before Current Fiscal Year, Writeoff</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff" xlink:to="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_89065183-cd5e-4944-8557-9037b08b20dc_verboseLabel_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Recently Issued Accounting Pronouncements Not Yet Adopted</link:label>
    <link:label id="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">New Accounting Pronouncements, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:to="lab_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StatementClassOfStockAxis_512fcb15-4af1-45bf-862f-6d437cca3d45_terseLabel_en-US" xlink:label="lab_us-gaap_StatementClassOfStockAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Class of Stock [Axis]</link:label>
    <link:label id="lab_us-gaap_StatementClassOfStockAxis_label_en-US" xlink:label="lab_us-gaap_StatementClassOfStockAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Class of Stock [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementClassOfStockAxis" xlink:to="lab_us-gaap_StatementClassOfStockAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_TitleOfIndividualWithRelationshipToEntityDomain_59ca2a6a-0270-4f13-8a1f-190a8c34fa53_terseLabel_en-US" xlink:label="lab_srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Title of Individual [Domain]</link:label>
    <link:label id="lab_srt_TitleOfIndividualWithRelationshipToEntityDomain_label_en-US" xlink:label="lab_srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Title and Position [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_TitleOfIndividualWithRelationshipToEntityDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:to="lab_srt_TitleOfIndividualWithRelationshipToEntityDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_daf21ab1-48f4-4d2d-9ed9-47ce4b62f1d9_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets by Major Class [Axis]</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets by Major Class [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_MeasureName_terseLabel_en-US" xlink:label="lab_ecd_MeasureName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Name</link:label>
    <link:label id="lab_ecd_MeasureName_label_en-US" xlink:label="lab_ecd_MeasureName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Measure Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_MeasureName" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_MeasureName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_MeasureName" xlink:to="lab_ecd_MeasureName" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityInteractiveDataCurrent_b928a845-87f2-4090-8f88-22b595bb4d7e_terseLabel_en-US" xlink:label="lab_dei_EntityInteractiveDataCurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Interactive Data Current</link:label>
    <link:label id="lab_dei_EntityInteractiveDataCurrent_label_en-US" xlink:label="lab_dei_EntityInteractiveDataCurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Interactive Data Current</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityInteractiveDataCurrent" xlink:to="lab_dei_EntityInteractiveDataCurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NumberOfOperatingSegments_c82b2c37-b64e-4845-b4af-5560f5f7d220_terseLabel_en-US" xlink:label="lab_us-gaap_NumberOfOperatingSegments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of business segments</link:label>
    <link:label id="lab_us-gaap_NumberOfOperatingSegments_label_en-US" xlink:label="lab_us-gaap_NumberOfOperatingSegments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Operating Segments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfOperatingSegments" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NumberOfOperatingSegments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NumberOfOperatingSegments" xlink:to="lab_us-gaap_NumberOfOperatingSegments" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RealEstateOwnedRestrictedCash_6d1bf514-a96b-4122-8e80-3165ea3272e6_terseLabel_en-US" xlink:label="lab_abr_RealEstateOwnedRestrictedCash" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real estate owned, restricted cash</link:label>
    <link:label id="lab_abr_RealEstateOwnedRestrictedCash_label_en-US" xlink:label="lab_abr_RealEstateOwnedRestrictedCash" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate, Owned, Restricted Cash</link:label>
    <link:label id="lab_abr_RealEstateOwnedRestrictedCash_documentation_en-US" xlink:label="lab_abr_RealEstateOwnedRestrictedCash" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Real Estate, Owned, Restricted Cash</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RealEstateOwnedRestrictedCash" xlink:href="abr-20240930.xsd#abr_RealEstateOwnedRestrictedCash"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RealEstateOwnedRestrictedCash" xlink:to="lab_abr_RealEstateOwnedRestrictedCash" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_VariableInterestEntityNotPrimaryBeneficiaryNumber_087936f9-d5f7-4501-bec8-ee604e1d6768_terseLabel_en-US" xlink:label="lab_abr_VariableInterestEntityNotPrimaryBeneficiaryNumber" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of VIEs where the reporting entity is not VIE's primary beneficiary and VIEs have variable interest</link:label>
    <link:label id="lab_abr_VariableInterestEntityNotPrimaryBeneficiaryNumber_label_en-US" xlink:label="lab_abr_VariableInterestEntityNotPrimaryBeneficiaryNumber" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Interest Entity Not Primary Beneficiary Number</link:label>
    <link:label id="lab_abr_VariableInterestEntityNotPrimaryBeneficiaryNumber_documentation_en-US" xlink:label="lab_abr_VariableInterestEntityNotPrimaryBeneficiaryNumber" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the number of variable interest entities (VIEs) in which the entity is not a primary beneficiary.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_VariableInterestEntityNotPrimaryBeneficiaryNumber" xlink:href="abr-20240930.xsd#abr_VariableInterestEntityNotPrimaryBeneficiaryNumber"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_VariableInterestEntityNotPrimaryBeneficiaryNumber" xlink:to="lab_abr_VariableInterestEntityNotPrimaryBeneficiaryNumber" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_b6b43a0d-7f11-4b69-a323-186b37556245_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis</link:label>
    <link:label id="lab_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_MortgageLoansOnRealEstateWritedownOrReserveAmount1_c4fede2a-97f2-421b-9c30-01500aad3371_terseLabel_en-US" xlink:label="lab_us-gaap_MortgageLoansOnRealEstateWritedownOrReserveAmount1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan loss reserves</link:label>
    <link:label id="lab_us-gaap_MortgageLoansOnRealEstateWritedownOrReserveAmount1_label_en-US" xlink:label="lab_us-gaap_MortgageLoansOnRealEstateWritedownOrReserveAmount1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Write-down or Reserve, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MortgageLoansOnRealEstateWritedownOrReserveAmount1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MortgageLoansOnRealEstateWritedownOrReserveAmount1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MortgageLoansOnRealEstateWritedownOrReserveAmount1" xlink:to="lab_us-gaap_MortgageLoansOnRealEstateWritedownOrReserveAmount1" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensation_2e54f008-7592-4be9-9038-79c3fa448b7b_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Stock-based compensation</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensation_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Payment Arrangement, Noncash Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ShareBasedCompensation" xlink:to="lab_us-gaap_ShareBasedCompensation" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RepurchaseFacility250MillionMember_d2ea4430-1b73-4abb-a110-3cd296fac795_terseLabel_en-US" xlink:label="lab_abr_RepurchaseFacility250MillionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$250M repurchase facility</link:label>
    <link:label id="lab_abr_RepurchaseFacility250MillionMember_label_en-US" xlink:label="lab_abr_RepurchaseFacility250MillionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Repurchase Facility 250 Million [Member]</link:label>
    <link:label id="lab_abr_RepurchaseFacility250MillionMember_documentation_en-US" xlink:label="lab_abr_RepurchaseFacility250MillionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Repurchase Facility 250 Million</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RepurchaseFacility250MillionMember" xlink:href="abr-20240930.xsd#abr_RepurchaseFacility250MillionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RepurchaseFacility250MillionMember" xlink:to="lab_abr_RepurchaseFacility250MillionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_DebtWeightedAverageInterestRateIncludingFeesAndCosts_7825509c-fed6-4840-b695-f6f76eb315bf_terseLabel_en-US" xlink:label="lab_abr_DebtWeightedAverageInterestRateIncludingFeesAndCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average note rate including certain fees and costs, percentage</link:label>
    <link:label id="lab_abr_DebtWeightedAverageInterestRateIncludingFeesAndCosts_label_en-US" xlink:label="lab_abr_DebtWeightedAverageInterestRateIncludingFeesAndCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Weighted Average Interest Rate Including Fees and Costs</link:label>
    <link:label id="lab_abr_DebtWeightedAverageInterestRateIncludingFeesAndCosts_documentation_en-US" xlink:label="lab_abr_DebtWeightedAverageInterestRateIncludingFeesAndCosts" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the calculation as of the balance sheet date of the average interest rate weighted by the amount of debt outstanding, including certain fees and costs.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_DebtWeightedAverageInterestRateIncludingFeesAndCosts" xlink:href="abr-20240930.xsd#abr_DebtWeightedAverageInterestRateIncludingFeesAndCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_DebtWeightedAverageInterestRateIncludingFeesAndCosts" xlink:to="lab_abr_DebtWeightedAverageInterestRateIncludingFeesAndCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_AmendedOmnibusStockIncentivePlan2020Member_b2da3651-83e0-4a09-aa15-3880510c7194_terseLabel_en-US" xlink:label="lab_abr_AmendedOmnibusStockIncentivePlan2020Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2020 Plan</link:label>
    <link:label id="lab_abr_AmendedOmnibusStockIncentivePlan2020Member_label_en-US" xlink:label="lab_abr_AmendedOmnibusStockIncentivePlan2020Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amended Omnibus Stock Incentive Plan 2020 [Member]</link:label>
    <link:label id="lab_abr_AmendedOmnibusStockIncentivePlan2020Member_documentation_en-US" xlink:label="lab_abr_AmendedOmnibusStockIncentivePlan2020Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member represents 2020 Amended Omnibus Stock Incentive Plan (2020 Plan)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_AmendedOmnibusStockIncentivePlan2020Member" xlink:href="abr-20240930.xsd#abr_AmendedOmnibusStockIncentivePlan2020Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_AmendedOmnibusStockIncentivePlan2020Member" xlink:to="lab_abr_AmendedOmnibusStockIncentivePlan2020Member" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableNonaccrualNumberOfLoans_6be85e4e-6dae-46aa-9c64-e2965950d951_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableNonaccrualNumberOfLoans" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of other nonaccrued loans</link:label>
    <link:label id="lab_abr_FinancingReceivableNonaccrualNumberOfLoans_label_en-US" xlink:label="lab_abr_FinancingReceivableNonaccrualNumberOfLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Nonaccrual, Number Of Loans</link:label>
    <link:label id="lab_abr_FinancingReceivableNonaccrualNumberOfLoans_documentation_en-US" xlink:label="lab_abr_FinancingReceivableNonaccrualNumberOfLoans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Nonaccrual, Number Of Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableNonaccrualNumberOfLoans" xlink:href="abr-20240930.xsd#abr_FinancingReceivableNonaccrualNumberOfLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableNonaccrualNumberOfLoans" xlink:to="lab_abr_FinancingReceivableNonaccrualNumberOfLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NumberOfMortgageLoansOnRealEstateDelinquentPrincipal_a8a91736-1db5-4405-9f2a-21f420666091_terseLabel_en-US" xlink:label="lab_abr_NumberOfMortgageLoansOnRealEstateDelinquentPrincipal" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of loans with unpaid principal balance</link:label>
    <link:label id="lab_abr_NumberOfMortgageLoansOnRealEstateDelinquentPrincipal_label_en-US" xlink:label="lab_abr_NumberOfMortgageLoansOnRealEstateDelinquentPrincipal" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Mortgage Loans on Real Estate, Delinquent Principal</link:label>
    <link:label id="lab_abr_NumberOfMortgageLoansOnRealEstateDelinquentPrincipal_documentation_en-US" xlink:label="lab_abr_NumberOfMortgageLoansOnRealEstateDelinquentPrincipal" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of loans with principal due that have been delinquent.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NumberOfMortgageLoansOnRealEstateDelinquentPrincipal" xlink:href="abr-20240930.xsd#abr_NumberOfMortgageLoansOnRealEstateDelinquentPrincipal"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NumberOfMortgageLoansOnRealEstateDelinquentPrincipal" xlink:to="lab_abr_NumberOfMortgageLoansOnRealEstateDelinquentPrincipal" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_HeldToMaturitySecuritiesDiscountedValueOfSecuritiesPurchased_d98d15d0-112c-48df-9e3f-8ada8db11501_terseLabel_en-US" xlink:label="lab_abr_HeldToMaturitySecuritiesDiscountedValueOfSecuritiesPurchased" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Discounted value of bonds purchased</link:label>
    <link:label id="lab_abr_HeldToMaturitySecuritiesDiscountedValueOfSecuritiesPurchased_label_en-US" xlink:label="lab_abr_HeldToMaturitySecuritiesDiscountedValueOfSecuritiesPurchased" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held To Maturity Securities Discounted Value of Securities Purchased</link:label>
    <link:label id="lab_abr_HeldToMaturitySecuritiesDiscountedValueOfSecuritiesPurchased_documentation_en-US" xlink:label="lab_abr_HeldToMaturitySecuritiesDiscountedValueOfSecuritiesPurchased" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Discounted value of investments in debt securities purchased classified as held-to-maturity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_HeldToMaturitySecuritiesDiscountedValueOfSecuritiesPurchased" xlink:href="abr-20240930.xsd#abr_HeldToMaturitySecuritiesDiscountedValueOfSecuritiesPurchased"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_HeldToMaturitySecuritiesDiscountedValueOfSecuritiesPurchased" xlink:to="lab_abr_HeldToMaturitySecuritiesDiscountedValueOfSecuritiesPurchased" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_e36eb383-f94e-4a2e-b737-d460f8d2e03c_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest rate</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Interest Rate, Stated Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:to="lab_us-gaap_DebtInstrumentInterestRateStatedPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_4fb02407-ab91-47b8-954f-e7fe3d0d76d7_terseLabel_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Supplemental cash flow information:</link:label>
    <link:label id="lab_us-gaap_SupplementalCashFlowInformationAbstract_label_en-US" xlink:label="lab_us-gaap_SupplementalCashFlowInformationAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Supplemental Cash Flow Information [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SupplementalCashFlowInformationAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SupplementalCashFlowInformationAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SupplementalCashFlowInformationAbstract" xlink:to="lab_us-gaap_SupplementalCashFlowInformationAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NoninterestIncome_c197e1b5-6663-4027-b5bf-8ba5765ff896_totalLabel_en-US" xlink:label="lab_us-gaap_NoninterestIncome" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total other revenue</link:label>
    <link:label id="lab_us-gaap_NoninterestIncome_label_en-US" xlink:label="lab_us-gaap_NoninterestIncome" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Noninterest Income</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoninterestIncome" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NoninterestIncome"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NoninterestIncome" xlink:to="lab_us-gaap_NoninterestIncome" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_90f61a47-1c10-4a2e-83e1-c225f32748db_terseLabel_en-US" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income attributable to common stockholders</link:label>
    <link:label id="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted_label_en-US" xlink:label="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income (Loss) Available to Common Stockholders, Diluted</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:to="lab_us-gaap_NetIncomeLossAvailableToCommonStockholdersDiluted" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_UsGovernmentSponsoredEnterpriseInsuredLoansMember_49634251-6932-4402-9899-e7d83613af24_terseLabel_en-US" xlink:label="lab_us-gaap_UsGovernmentSponsoredEnterpriseInsuredLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">US Government Sponsored-Enterprise Insured Loans</link:label>
    <link:label id="lab_us-gaap_UsGovernmentSponsoredEnterpriseInsuredLoansMember_label_en-US" xlink:label="lab_us-gaap_UsGovernmentSponsoredEnterpriseInsuredLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">US Government Sponsored-Enterprise Insured Loans [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UsGovernmentSponsoredEnterpriseInsuredLoansMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UsGovernmentSponsoredEnterpriseInsuredLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UsGovernmentSponsoredEnterpriseInsuredLoansMember" xlink:to="lab_us-gaap_UsGovernmentSponsoredEnterpriseInsuredLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrual_e77ef881-c4d5-46c0-9a25-6f7bae764803_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrual" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans held-for-sale placed on non-accrual status</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrual_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrual" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Excluding Accrued Interest, Nonaccrual</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrual" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrual"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrual" xlink:to="lab_us-gaap_FinancingReceivableExcludingAccruedInterestNonaccrual" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PreferredStockDividendRatePercentage_63e75d31-0963-4e25-bfb4-dc0372c8dc19_verboseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockDividendRatePercentage" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Preferred stock, dividend rate (as a percent)</link:label>
    <link:label id="lab_us-gaap_PreferredStockDividendRatePercentage_label_en-US" xlink:label="lab_us-gaap_PreferredStockDividendRatePercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Dividend Rate, Percentage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendRatePercentage" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockDividendRatePercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockDividendRatePercentage" xlink:to="lab_us-gaap_PreferredStockDividendRatePercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ConcentrationRiskBenchmarkDomain_300de054-3dcc-4060-a0b0-0c4064457531_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskBenchmarkDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Concentration Risk Benchmark [Domain]</link:label>
    <link:label id="lab_us-gaap_ConcentrationRiskBenchmarkDomain_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskBenchmarkDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk Benchmark [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskBenchmarkDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskBenchmarkDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConcentrationRiskBenchmarkDomain" xlink:to="lab_us-gaap_ConcentrationRiskBenchmarkDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeNumberOfInstrumentsHeld_2ea80c26-9b70-40e2-930f-15f14795972c_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeNumberOfInstrumentsHeld" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Count</link:label>
    <link:label id="lab_us-gaap_DerivativeNumberOfInstrumentsHeld_label_en-US" xlink:label="lab_us-gaap_DerivativeNumberOfInstrumentsHeld" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Number of Instruments Held</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNumberOfInstrumentsHeld" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeNumberOfInstrumentsHeld"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeNumberOfInstrumentsHeld" xlink:to="lab_us-gaap_DerivativeNumberOfInstrumentsHeld" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NumberOfLoansSold_14588094-3426-4c81-b48f-1380c4a2be65_terseLabel_en-US" xlink:label="lab_abr_NumberOfLoansSold" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of loans sold</link:label>
    <link:label id="lab_abr_NumberOfLoansSold_label_en-US" xlink:label="lab_abr_NumberOfLoansSold" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Loans Sold</link:label>
    <link:label id="lab_abr_NumberOfLoansSold_documentation_en-US" xlink:label="lab_abr_NumberOfLoansSold" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the number of loans sold.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NumberOfLoansSold" xlink:href="abr-20240930.xsd#abr_NumberOfLoansSold"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NumberOfLoansSold" xlink:to="lab_abr_NumberOfLoansSold" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock_a633e9f4-806c-44c7-bfb4-86dbd00c7ff2_verboseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Schedule of the Loan Portfolio's Internal Risk Ratings and LTV Ratios by Asset Class</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable Credit Quality Indicators [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock" xlink:to="lab_us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LoanModificationExtendedMaturityTwelveLoansMember_8838cd43-dfb5-4b2a-8e6c-1cd948b22604_terseLabel_en-US" xlink:label="lab_abr_LoanModificationExtendedMaturityTwelveLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan Modification, Extended Maturity, Twelve Loans</link:label>
    <link:label id="lab_abr_LoanModificationExtendedMaturityTwelveLoansMember_label_en-US" xlink:label="lab_abr_LoanModificationExtendedMaturityTwelveLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan Modification, Extended Maturity, Twelve Loans [Member]</link:label>
    <link:label id="lab_abr_LoanModificationExtendedMaturityTwelveLoansMember_documentation_en-US" xlink:label="lab_abr_LoanModificationExtendedMaturityTwelveLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loan Modification, Extended Maturity, Twelve Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LoanModificationExtendedMaturityTwelveLoansMember" xlink:href="abr-20240930.xsd#abr_LoanModificationExtendedMaturityTwelveLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LoanModificationExtendedMaturityTwelveLoansMember" xlink:to="lab_abr_LoanModificationExtendedMaturityTwelveLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NumberOfReportableSegments_de83ba96-3d05-4c6b-9ca4-817b31faeef0_terseLabel_en-US" xlink:label="lab_us-gaap_NumberOfReportableSegments" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reporting segments</link:label>
    <link:label id="lab_us-gaap_NumberOfReportableSegments_label_en-US" xlink:label="lab_us-gaap_NumberOfReportableSegments" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Reportable Segments</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfReportableSegments" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NumberOfReportableSegments"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NumberOfReportableSegments" xlink:to="lab_us-gaap_NumberOfReportableSegments" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_0e0e98de-f902-4034-9765-7d528294510a_totalLabel_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total liabilities and equity</link:label>
    <link:label id="lab_us-gaap_LiabilitiesAndStockholdersEquity_label_en-US" xlink:label="lab_us-gaap_LiabilitiesAndStockholdersEquity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Liabilities and Equity</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity" xlink:to="lab_us-gaap_LiabilitiesAndStockholdersEquity" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LoansReceivableMaturityAxis_a17411fd-ac3a-4bbf-b589-62e909209842_terseLabel_en-US" xlink:label="lab_abr_LoansReceivableMaturityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans Receivable Maturity [Axis]</link:label>
    <link:label id="lab_abr_LoansReceivableMaturityAxis_label_en-US" xlink:label="lab_abr_LoansReceivableMaturityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Receivable Maturity [Axis]</link:label>
    <link:label id="lab_abr_LoansReceivableMaturityAxis_documentation_en-US" xlink:label="lab_abr_LoansReceivableMaturityAxis" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to loans receivable, by their maturity dates.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LoansReceivableMaturityAxis" xlink:href="abr-20240930.xsd#abr_LoansReceivableMaturityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LoansReceivableMaturityAxis" xlink:to="lab_abr_LoansReceivableMaturityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_Rule10b51ArrTrmntdFlag_terseLabel_en-US" xlink:label="lab_ecd_Rule10b51ArrTrmntdFlag" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Rule 10b5-1 Arrangement Terminated</link:label>
    <link:label id="lab_ecd_Rule10b51ArrTrmntdFlag_label_en-US" xlink:label="lab_ecd_Rule10b51ArrTrmntdFlag" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Rule 10b5-1 Arrangement Terminated [Flag]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_Rule10b51ArrTrmntdFlag" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_Rule10b51ArrTrmntdFlag"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_Rule10b51ArrTrmntdFlag" xlink:to="lab_ecd_Rule10b51ArrTrmntdFlag" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_a316ef67-ce32-4915-8631-a41025380d62_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value Hierarchy and NAV [Axis]</link:label>
    <link:label id="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis_label_en-US" xlink:label="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value Hierarchy and NAV [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="lab_us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction_10f55474-6162-4928-8e03-b580b4bc44ee_terseLabel_en-US" xlink:label="lab_us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of ownership after transaction</link:label>
    <link:label id="lab_us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction_label_en-US" xlink:label="lab_us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale of Stock, Percentage of Ownership after Transaction</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction" xlink:to="lab_us-gaap_SaleOfStockPercentageOfOwnershipAfterTransaction" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_HedgingDesignationAxis_13de9915-059a-4164-ae4f-d249515398f7_terseLabel_en-US" xlink:label="lab_us-gaap_HedgingDesignationAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Hedging Designation [Axis]</link:label>
    <link:label id="lab_us-gaap_HedgingDesignationAxis_label_en-US" xlink:label="lab_us-gaap_HedgingDesignationAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Hedging Designation [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HedgingDesignationAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HedgingDesignationAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HedgingDesignationAxis" xlink:to="lab_us-gaap_HedgingDesignationAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MezzanineLoanMember_493f843e-8176-4962-af9b-6ffffe2265af_verboseLabel_en-US" xlink:label="lab_abr_MezzanineLoanMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Mezzanine loans</link:label>
    <link:label id="lab_abr_MezzanineLoanMember_21218c2f-dee4-4f58-ad47-aed16d04b1ac_terseLabel_en-US" xlink:label="lab_abr_MezzanineLoanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mezzanine Loans</link:label>
    <link:label id="lab_abr_MezzanineLoanMember_label_en-US" xlink:label="lab_abr_MezzanineLoanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mezzanine Loan [Member]</link:label>
    <link:label id="lab_abr_MezzanineLoanMember_documentation_en-US" xlink:label="lab_abr_MezzanineLoanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member represents the information pertaining to mezzanine loans issued by the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MezzanineLoanMember" xlink:href="abr-20240930.xsd#abr_MezzanineLoanMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MezzanineLoanMember" xlink:to="lab_abr_MezzanineLoanMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SaleOfWacoPropertyMember_eb9b6128-f10e-43ab-aa23-6411d54486f4_terseLabel_en-US" xlink:label="lab_abr_SaleOfWacoPropertyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sale of Waco Property</link:label>
    <link:label id="lab_abr_SaleOfWacoPropertyMember_label_en-US" xlink:label="lab_abr_SaleOfWacoPropertyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale Of Waco Property [Member]</link:label>
    <link:label id="lab_abr_SaleOfWacoPropertyMember_documentation_en-US" xlink:label="lab_abr_SaleOfWacoPropertyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Sale Of Waco Property</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SaleOfWacoPropertyMember" xlink:href="abr-20240930.xsd#abr_SaleOfWacoPropertyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SaleOfWacoPropertyMember" xlink:to="lab_abr_SaleOfWacoPropertyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommercialRealEstateMember_5706e59b-5bb2-4568-a0d4-8bbd053703dd_terseLabel_en-US" xlink:label="lab_us-gaap_CommercialRealEstateMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commercial</link:label>
    <link:label id="lab_us-gaap_CommercialRealEstateMember_label_en-US" xlink:label="lab_us-gaap_CommercialRealEstateMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commercial Real Estate [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialRealEstateMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommercialRealEstateMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommercialRealEstateMember" xlink:to="lab_us-gaap_CommercialRealEstateMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_cbab198a-5ccf-4b62-bd2d-19c5c137e2d0_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Financial Instruments</link:label>
    <link:label id="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Instruments and Hedging Activities Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:to="lab_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InvestmentIncomeInterest_5d89c2a0-2127-4af5-8b65-f669e5c3c6d5_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentIncomeInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest income, including the amortization of discount</link:label>
    <link:label id="lab_us-gaap_InvestmentIncomeInterest_label_en-US" xlink:label="lab_us-gaap_InvestmentIncomeInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Income, Interest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentIncomeInterest" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentIncomeInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentIncomeInterest" xlink:to="lab_us-gaap_InvestmentIncomeInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityOneLoanMember_ea737fe4-240a-404a-a98a-0eded8a3a969_terseLabel_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityOneLoanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief And Extended Maturity, One Loan</link:label>
    <link:label id="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityOneLoanMember_label_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityOneLoanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief And Extended Maturity, One Loan [Member]</link:label>
    <link:label id="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityOneLoanMember_documentation_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityOneLoanMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief And Extended Maturity, One Loan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_TemporaryInterestRateReliefAndExtendedMaturityOneLoanMember" xlink:href="abr-20240930.xsd#abr_TemporaryInterestRateReliefAndExtendedMaturityOneLoanMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_TemporaryInterestRateReliefAndExtendedMaturityOneLoanMember" xlink:to="lab_abr_TemporaryInterestRateReliefAndExtendedMaturityOneLoanMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_14550947-d188-493e-a771-666f21fc9a18_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Major Class Name [Domain]</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Major Class Name [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CreditFacility225millionMember_46c28c78-63fb-4b68-9bd7-ebb7d34dfe59_terseLabel_en-US" xlink:label="lab_abr_CreditFacility225millionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$225M credit facility</link:label>
    <link:label id="lab_abr_CreditFacility225millionMember_label_en-US" xlink:label="lab_abr_CreditFacility225millionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility 225 Million [Member]</link:label>
    <link:label id="lab_abr_CreditFacility225millionMember_documentation_en-US" xlink:label="lab_abr_CreditFacility225millionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for credit facility.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CreditFacility225millionMember" xlink:href="abr-20240930.xsd#abr_CreditFacility225millionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CreditFacility225millionMember" xlink:to="lab_abr_CreditFacility225millionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_UndrlygSecurityMktPriceChngPct_terseLabel_en-US" xlink:label="lab_ecd_UndrlygSecurityMktPriceChngPct" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Underlying Security Market Price Change</link:label>
    <link:label id="lab_ecd_UndrlygSecurityMktPriceChngPct_label_en-US" xlink:label="lab_ecd_UndrlygSecurityMktPriceChngPct" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Underlying Security Market Price Change, Percent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_UndrlygSecurityMktPriceChngPct" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_UndrlygSecurityMktPriceChngPct"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_UndrlygSecurityMktPriceChngPct" xlink:to="lab_ecd_UndrlygSecurityMktPriceChngPct" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_MeasurementInputTypeAxis_42af68e9-2000-4427-826a-a3e7618001d2_terseLabel_en-US" xlink:label="lab_us-gaap_MeasurementInputTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Measurement Input Type [Axis]</link:label>
    <link:label id="lab_us-gaap_MeasurementInputTypeAxis_label_en-US" xlink:label="lab_us-gaap_MeasurementInputTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Measurement Input Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputTypeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MeasurementInputTypeAxis" xlink:to="lab_us-gaap_MeasurementInputTypeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_IndividualAxis_terseLabel_en-US" xlink:label="lab_ecd_IndividualAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Individual:</link:label>
    <link:label id="lab_ecd_IndividualAxis_label_en-US" xlink:label="lab_ecd_IndividualAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Individual [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_IndividualAxis" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_IndividualAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_IndividualAxis" xlink:to="lab_ecd_IndividualAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StatementLineItems_ae96418e-dee4-4e9c-b680-543c4f83a45e_terseLabel_en-US" xlink:label="lab_us-gaap_StatementLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement [Line Items]</link:label>
    <link:label id="lab_us-gaap_StatementLineItems_label_en-US" xlink:label="lab_us-gaap_StatementLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementLineItems" xlink:to="lab_us-gaap_StatementLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_MeasurementInputTypeDomain_eaf8387d-5566-4e93-91b5-45482daa87f6_terseLabel_en-US" xlink:label="lab_us-gaap_MeasurementInputTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Measurement Input Type [Domain]</link:label>
    <link:label id="lab_us-gaap_MeasurementInputTypeDomain_label_en-US" xlink:label="lab_us-gaap_MeasurementInputTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Measurement Input Type [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputTypeDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputTypeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MeasurementInputTypeDomain" xlink:to="lab_us-gaap_MeasurementInputTypeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RealEstateInvestmentPropertyDepreciationExpense_d72064ca-8db9-470b-8a83-9fd6416712c6_terseLabel_en-US" xlink:label="lab_abr_RealEstateInvestmentPropertyDepreciationExpense" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Depreciation expense related to real estate owned</link:label>
    <link:label id="lab_abr_RealEstateInvestmentPropertyDepreciationExpense_label_en-US" xlink:label="lab_abr_RealEstateInvestmentPropertyDepreciationExpense" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Investment Property, Depreciation Expense</link:label>
    <link:label id="lab_abr_RealEstateInvestmentPropertyDepreciationExpense_documentation_en-US" xlink:label="lab_abr_RealEstateInvestmentPropertyDepreciationExpense" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Real Estate Investment Property, Depreciation Expense</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RealEstateInvestmentPropertyDepreciationExpense" xlink:href="abr-20240930.xsd#abr_RealEstateInvestmentPropertyDepreciationExpense"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RealEstateInvestmentPropertyDepreciationExpense" xlink:to="lab_abr_RealEstateInvestmentPropertyDepreciationExpense" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_KeyServicingMetricsTableTextBlock_3b33f667-0bf8-4dee-8260-bad57baa5de1_terseLabel_en-US" xlink:label="lab_abr_KeyServicingMetricsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Key Servicing Metrics for Agency Business</link:label>
    <link:label id="lab_abr_KeyServicingMetricsTableTextBlock_label_en-US" xlink:label="lab_abr_KeyServicingMetricsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Key Servicing Metrics [Table Text Block]</link:label>
    <link:label id="lab_abr_KeyServicingMetricsTableTextBlock_documentation_en-US" xlink:label="lab_abr_KeyServicingMetricsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of key servicing metrics.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_KeyServicingMetricsTableTextBlock" xlink:href="abr-20240930.xsd#abr_KeyServicingMetricsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_KeyServicingMetricsTableTextBlock" xlink:to="lab_abr_KeyServicingMetricsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ContractualObligationDueInSecondYear_67beb77c-d569-4073-92a9-d5ff2669e488_totalLabel_en-US" xlink:label="lab_us-gaap_ContractualObligationDueInSecondYear" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">2026</link:label>
    <link:label id="lab_us-gaap_ContractualObligationDueInSecondYear_label_en-US" xlink:label="lab_us-gaap_ContractualObligationDueInSecondYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Obligation, to be Paid, Year Two</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueInSecondYear" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractualObligationDueInSecondYear"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractualObligationDueInSecondYear" xlink:to="lab_us-gaap_ContractualObligationDueInSecondYear" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableSpecificallyImpairedLoans_66419411-9dc2-4f8c-ad2d-65736ee4d19e_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableSpecificallyImpairedLoans" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total UPB, specifically impaired loans</link:label>
    <link:label id="lab_abr_FinancingReceivableSpecificallyImpairedLoans_label_en-US" xlink:label="lab_abr_FinancingReceivableSpecificallyImpairedLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Specifically Impaired Loans</link:label>
    <link:label id="lab_abr_FinancingReceivableSpecificallyImpairedLoans_documentation_en-US" xlink:label="lab_abr_FinancingReceivableSpecificallyImpairedLoans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Specifically Impaired Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableSpecificallyImpairedLoans" xlink:href="abr-20240930.xsd#abr_FinancingReceivableSpecificallyImpairedLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableSpecificallyImpairedLoans" xlink:to="lab_abr_FinancingReceivableSpecificallyImpairedLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AccountsPayableOtherCurrentAndNoncurrent_80d07be9-0209-49da-b10c-02bbaee172c0_terseLabel_en-US" xlink:label="lab_us-gaap_AccountsPayableOtherCurrentAndNoncurrent" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due to related party</link:label>
    <link:label id="lab_us-gaap_AccountsPayableOtherCurrentAndNoncurrent_label_en-US" xlink:label="lab_us-gaap_AccountsPayableOtherCurrentAndNoncurrent" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accounts Payable, Other</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableOtherCurrentAndNoncurrent" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AccountsPayableOtherCurrentAndNoncurrent"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AccountsPayableOtherCurrentAndNoncurrent" xlink:to="lab_us-gaap_AccountsPayableOtherCurrentAndNoncurrent" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OperatingExpensesAbstract_03ca84a6-8fa9-48d7-a25f-dc21c735e825_terseLabel_en-US" xlink:label="lab_us-gaap_OperatingExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other expenses:</link:label>
    <link:label id="lab_us-gaap_OperatingExpensesAbstract_label_en-US" xlink:label="lab_us-gaap_OperatingExpensesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Expenses [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingExpensesAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OperatingExpensesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OperatingExpensesAbstract" xlink:to="lab_us-gaap_OperatingExpensesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MortgageLoansOnRealEstatePrincipalAmountOfMortgages_49659f8f-bb26-4986-b9d7-77e66ab488ff_terseLabel_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstatePrincipalAmountOfMortgages" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Collateral, Loans, UPB</link:label>
    <link:label id="lab_abr_MortgageLoansOnRealEstatePrincipalAmountOfMortgages_label_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstatePrincipalAmountOfMortgages" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Loans on Real Estate Principal Amount of Mortgages</link:label>
    <link:label id="lab_abr_MortgageLoansOnRealEstatePrincipalAmountOfMortgages_documentation_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstatePrincipalAmountOfMortgages" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the unpaid principal balance of the mortgage loans that serve as collateral.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MortgageLoansOnRealEstatePrincipalAmountOfMortgages" xlink:href="abr-20240930.xsd#abr_MortgageLoansOnRealEstatePrincipalAmountOfMortgages"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MortgageLoansOnRealEstatePrincipalAmountOfMortgages" xlink:to="lab_abr_MortgageLoansOnRealEstatePrincipalAmountOfMortgages" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MortgageServicingTable_f492653d-e4e6-47e2-b89e-fabb55b74ac2_terseLabel_en-US" xlink:label="lab_abr_MortgageServicingTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage Servicing [Table]</link:label>
    <link:label id="lab_abr_MortgageServicingTable_label_en-US" xlink:label="lab_abr_MortgageServicingTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Servicing [Table]</link:label>
    <link:label id="lab_abr_MortgageServicingTable_documentation_en-US" xlink:label="lab_abr_MortgageServicingTable" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Disclosure of mortgage servicing of the entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MortgageServicingTable" xlink:href="abr-20240930.xsd#abr_MortgageServicingTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MortgageServicingTable" xlink:to="lab_abr_MortgageServicingTable" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock_terseLabel_en-US" xlink:label="lab_ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Compensation Actually Paid vs. Total Shareholder Return</link:label>
    <link:label id="lab_ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock_label_en-US" xlink:label="lab_ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Compensation Actually Paid vs. Total Shareholder Return [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock" xlink:to="lab_ecd_CompActuallyPaidVsTotalShareholderRtnTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_BusinessCombinationConsiderationTransferred1_66f12380-05cc-419f-b3c0-d13789011023_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessCombinationConsiderationTransferred1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Acquisition purchase price</link:label>
    <link:label id="lab_us-gaap_BusinessCombinationConsiderationTransferred1_label_en-US" xlink:label="lab_us-gaap_BusinessCombinationConsiderationTransferred1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Combination, Consideration Transferred</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationConsiderationTransferred1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessCombinationConsiderationTransferred1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessCombinationConsiderationTransferred1" xlink:to="lab_us-gaap_BusinessCombinationConsiderationTransferred1" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_A3BillionJointRepurchaseFacilityMember_ecf61733-7f97-4349-b844-5cc01c3ca09e_terseLabel_en-US" xlink:label="lab_abr_A3BillionJointRepurchaseFacilityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$3 Billion joint repurchase facility</link:label>
    <link:label id="lab_abr_A3BillionJointRepurchaseFacilityMember_label_en-US" xlink:label="lab_abr_A3BillionJointRepurchaseFacilityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">3 Billion Joint Repurchase Facility [Member]</link:label>
    <link:label id="lab_abr_A3BillionJointRepurchaseFacilityMember_documentation_en-US" xlink:label="lab_abr_A3BillionJointRepurchaseFacilityMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">3 Billion Joint Repurchase Facility</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_A3BillionJointRepurchaseFacilityMember" xlink:href="abr-20240930.xsd#abr_A3BillionJointRepurchaseFacilityMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_A3BillionJointRepurchaseFacilityMember" xlink:to="lab_abr_A3BillionJointRepurchaseFacilityMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeTermOfContract_cccf6976-039a-4776-bf12-f60f4f122e14_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeTermOfContract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative, maturity term</link:label>
    <link:label id="lab_us-gaap_DerivativeTermOfContract_label_en-US" xlink:label="lab_us-gaap_DerivativeTermOfContract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative, Term of Contract</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeTermOfContract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeTermOfContract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeTermOfContract" xlink:to="lab_us-gaap_DerivativeTermOfContract" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ConvertibleSeniorUnsecuredNotes7.50Member_7f6bd70a-8a7c-4fde-8c2e-0e60c94dbe81_terseLabel_en-US" xlink:label="lab_abr_ConvertibleSeniorUnsecuredNotes7.50Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">7.50% convertible notes</link:label>
    <link:label id="lab_abr_ConvertibleSeniorUnsecuredNotes7.50Member_label_en-US" xlink:label="lab_abr_ConvertibleSeniorUnsecuredNotes7.50Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">7.50% convertible notes</link:label>
    <link:label id="lab_abr_ConvertibleSeniorUnsecuredNotes7.50Member_documentation_en-US" xlink:label="lab_abr_ConvertibleSeniorUnsecuredNotes7.50Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the information pertaining to Convertible Senior Unsecured Notes 7.50%</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ConvertibleSeniorUnsecuredNotes7.50Member" xlink:href="abr-20240930.xsd#abr_ConvertibleSeniorUnsecuredNotes7.50Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ConvertibleSeniorUnsecuredNotes7.50Member" xlink:to="lab_abr_ConvertibleSeniorUnsecuredNotes7.50Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PaymentsForOriginationOfMortgageLoansHeldForSale_33065faa-bcd2-4c0e-8b30-e9b4cf4e955e_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsForOriginationOfMortgageLoansHeldForSale" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Originations of loans held-for-sale</link:label>
    <link:label id="lab_us-gaap_PaymentsForOriginationOfMortgageLoansHeldForSale_label_en-US" xlink:label="lab_us-gaap_PaymentsForOriginationOfMortgageLoansHeldForSale" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payment for Origination, Loan, Mortgage, Held-for-Sale</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForOriginationOfMortgageLoansHeldForSale" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PaymentsForOriginationOfMortgageLoansHeldForSale"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PaymentsForOriginationOfMortgageLoansHeldForSale" xlink:to="lab_us-gaap_PaymentsForOriginationOfMortgageLoansHeldForSale" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ContractualObligationDueInFifthYear_f9be66db-a9bb-4db0-ab36-ecb8042d2941_totalLabel_en-US" xlink:label="lab_us-gaap_ContractualObligationDueInFifthYear" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">2029</link:label>
    <link:label id="lab_us-gaap_ContractualObligationDueInFifthYear_label_en-US" xlink:label="lab_us-gaap_ContractualObligationDueInFifthYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Obligation, to be Paid, Year Five</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationDueInFifthYear" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractualObligationDueInFifthYear"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractualObligationDueInFifthYear" xlink:to="lab_us-gaap_ContractualObligationDueInFifthYear" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue_1c4c1b55-762a-449d-b1e6-1a79d08068f3_terseLabel_en-US" xlink:label="lab_abr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total grant date fair value</link:label>
    <link:label id="lab_abr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue_label_en-US" xlink:label="lab_abr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other than Options, Grant Date Fair Value</link:label>
    <link:label id="lab_abr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue_documentation_en-US" xlink:label="lab_abr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The total fair value of equity-based payment equity instruments, excluding options, as of grant date.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue" xlink:href="abr-20240930.xsd#abr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue" xlink:to="lab_abr_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantDateFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LossContingencyEstimateOfPossibleLoss_6cf045a0-9dcc-4bfe-bc72-9a09b38879cd_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingencyEstimateOfPossibleLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum quantifiable liability</link:label>
    <link:label id="lab_us-gaap_LossContingencyEstimateOfPossibleLoss_label_en-US" xlink:label="lab_us-gaap_LossContingencyEstimateOfPossibleLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Contingency, Estimate of Possible Loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyEstimateOfPossibleLoss" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingencyEstimateOfPossibleLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingencyEstimateOfPossibleLoss" xlink:to="lab_us-gaap_LossContingencyEstimateOfPossibleLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LoansHeldForSaleFairValueDisclosure_b4e5db0f-35e8-4496-ace2-85318c08e107_verboseLabel_en-US" xlink:label="lab_us-gaap_LoansHeldForSaleFairValueDisclosure" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Loans held-for-sale</link:label>
    <link:label id="lab_us-gaap_LoansHeldForSaleFairValueDisclosure_label_en-US" xlink:label="lab_us-gaap_LoansHeldForSaleFairValueDisclosure" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan, Held-for-Sale, Fair Value Disclosure</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoansHeldForSaleFairValueDisclosure" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LoansHeldForSaleFairValueDisclosure"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansHeldForSaleFairValueDisclosure" xlink:to="lab_us-gaap_LoansHeldForSaleFairValueDisclosure" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_JuniorSubordinatedDebtMember_f0fe222c-3484-44eb-bc3f-0d99b37c15e4_terseLabel_en-US" xlink:label="lab_us-gaap_JuniorSubordinatedDebtMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Junior subordinated notes</link:label>
    <link:label id="lab_us-gaap_JuniorSubordinatedDebtMember_label_en-US" xlink:label="lab_us-gaap_JuniorSubordinatedDebtMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Junior Subordinated Debt [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_JuniorSubordinatedDebtMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_JuniorSubordinatedDebtMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_JuniorSubordinatedDebtMember" xlink:to="lab_us-gaap_JuniorSubordinatedDebtMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MinimumMember_857c22e9-113b-4fee-bfff-f1fdf09b2958_terseLabel_en-US" xlink:label="lab_srt_MinimumMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum</link:label>
    <link:label id="lab_srt_MinimumMember_label_en-US" xlink:label="lab_srt_MinimumMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MinimumMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MinimumMember" xlink:to="lab_srt_MinimumMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SeniorUnsecuredNotesOne7.75Member_e9707191-2701-4c3d-89a1-d5772bbd93c8_terseLabel_en-US" xlink:label="lab_abr_SeniorUnsecuredNotesOne7.75Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">7.75% Notes</link:label>
    <link:label id="lab_abr_SeniorUnsecuredNotesOne7.75Member_label_en-US" xlink:label="lab_abr_SeniorUnsecuredNotesOne7.75Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Unsecured Notes One 7.75 [Member]</link:label>
    <link:label id="lab_abr_SeniorUnsecuredNotesOne7.75Member_documentation_en-US" xlink:label="lab_abr_SeniorUnsecuredNotesOne7.75Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member stands for senior unsecured notes due in 2026.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SeniorUnsecuredNotesOne7.75Member" xlink:href="abr-20240930.xsd#abr_SeniorUnsecuredNotesOne7.75Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SeniorUnsecuredNotesOne7.75Member" xlink:to="lab_abr_SeniorUnsecuredNotesOne7.75Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLosses_eaea919f-c7bb-4167-ad39-277e976804fc_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLosses" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan loss reserves related to VIEs</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLosses_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLosses" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Allowance for Credit Loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLosses" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableAllowanceForCreditLosses"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLosses" xlink:to="lab_us-gaap_FinancingReceivableAllowanceForCreditLosses" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_TrdArrAdoptionDate_terseLabel_en-US" xlink:label="lab_ecd_TrdArrAdoptionDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adoption Date</link:label>
    <link:label id="lab_ecd_TrdArrAdoptionDate_label_en-US" xlink:label="lab_ecd_TrdArrAdoptionDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trading Arrangement Adoption Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_TrdArrAdoptionDate" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_TrdArrAdoptionDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_TrdArrAdoptionDate" xlink:to="lab_ecd_TrdArrAdoptionDate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RelatedPartyTransactionsAbstract_997a1159-2b5d-4918-8e6a-c22ecb6799e2_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party Transactions [Abstract]</link:label>
    <link:label id="lab_us-gaap_RelatedPartyTransactionsAbstract_label_en-US" xlink:label="lab_us-gaap_RelatedPartyTransactionsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transactions [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyTransactionsAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyTransactionsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyTransactionsAbstract" xlink:to="lab_us-gaap_RelatedPartyTransactionsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherReceivables_679897d4-d885-4b25-8427-891cc7a8c09c_terseLabel_en-US" xlink:label="lab_us-gaap_OtherReceivables" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due from related party</link:label>
    <link:label id="lab_us-gaap_OtherReceivables_label_en-US" xlink:label="lab_us-gaap_OtherReceivables" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Receivables</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherReceivables" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherReceivables"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherReceivables" xlink:to="lab_us-gaap_OtherReceivables" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableModificationsLineItems_2d0afbd3-4f8b-45ed-8231-ab59a3ac3b38_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableModificationsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing Receivable, Modified [Line Items]</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableModificationsLineItems_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableModificationsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Modified [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableModificationsLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableModificationsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableModificationsLineItems" xlink:to="lab_us-gaap_FinancingReceivableModificationsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CapitalizedMortgageServicingRightsTextBlock_74b4d03e-7ee9-49a3-a276-bc856ca9ef60_terseLabel_en-US" xlink:label="lab_abr_CapitalizedMortgageServicingRightsTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Capitalized Mortgage Servicing Rights</link:label>
    <link:label id="lab_abr_CapitalizedMortgageServicingRightsTextBlock_label_en-US" xlink:label="lab_abr_CapitalizedMortgageServicingRightsTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Capitalized Mortgage Servicing Rights [Text Block]</link:label>
    <link:label id="lab_abr_CapitalizedMortgageServicingRightsTextBlock_documentation_en-US" xlink:label="lab_abr_CapitalizedMortgageServicingRightsTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The entire disclosure for capitalized mortgage servicing rights, such as weighted average estimated life of remaining of MSR, impairment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CapitalizedMortgageServicingRightsTextBlock" xlink:href="abr-20240930.xsd#abr_CapitalizedMortgageServicingRightsTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CapitalizedMortgageServicingRightsTextBlock" xlink:to="lab_abr_CapitalizedMortgageServicingRightsTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_VariableInterestEntityLineItems_45dd7771-92ae-436b-80dd-9c12934e4b1b_terseLabel_en-US" xlink:label="lab_us-gaap_VariableInterestEntityLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Variable Interest Entities</link:label>
    <link:label id="lab_us-gaap_VariableInterestEntityLineItems_label_en-US" xlink:label="lab_us-gaap_VariableInterestEntityLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Interest Entity [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_VariableInterestEntityLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_VariableInterestEntityLineItems" xlink:to="lab_us-gaap_VariableInterestEntityLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_ae4ce4ce-7885-42b4-af2f-747f0cc5ec67_terseLabel_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Segments [Axis]</link:label>
    <link:label id="lab_us-gaap_StatementBusinessSegmentsAxis_label_en-US" xlink:label="lab_us-gaap_StatementBusinessSegmentsAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Segments [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis" xlink:to="lab_us-gaap_StatementBusinessSegmentsAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_ChngInFrValAsOfVstngDtOfPrrYrEqtyAwrdsVstdInCvrdYrMember_terseLabel_en-US" xlink:label="lab_ecd_ChngInFrValAsOfVstngDtOfPrrYrEqtyAwrdsVstdInCvrdYrMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year</link:label>
    <link:label id="lab_ecd_ChngInFrValAsOfVstngDtOfPrrYrEqtyAwrdsVstdInCvrdYrMember_label_en-US" xlink:label="lab_ecd_ChngInFrValAsOfVstngDtOfPrrYrEqtyAwrdsVstdInCvrdYrMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_ChngInFrValAsOfVstngDtOfPrrYrEqtyAwrdsVstdInCvrdYrMember" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_ChngInFrValAsOfVstngDtOfPrrYrEqtyAwrdsVstdInCvrdYrMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_ChngInFrValAsOfVstngDtOfPrrYrEqtyAwrdsVstdInCvrdYrMember" xlink:to="lab_ecd_ChngInFrValAsOfVstngDtOfPrrYrEqtyAwrdsVstdInCvrdYrMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CreditFacility250MillionMaturity2026Member_c3d8c5a5-0d99-47b5-87d0-86390457cb2f_terseLabel_en-US" xlink:label="lab_abr_CreditFacility250MillionMaturity2026Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$250M credit facility</link:label>
    <link:label id="lab_abr_CreditFacility250MillionMaturity2026Member_label_en-US" xlink:label="lab_abr_CreditFacility250MillionMaturity2026Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility 250 Million, Maturity 2026 [Member]</link:label>
    <link:label id="lab_abr_CreditFacility250MillionMaturity2026Member_documentation_en-US" xlink:label="lab_abr_CreditFacility250MillionMaturity2026Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit Facility 250 Million, Maturity 2026</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CreditFacility250MillionMaturity2026Member" xlink:href="abr-20240930.xsd#abr_CreditFacility250MillionMaturity2026Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CreditFacility250MillionMaturity2026Member" xlink:to="lab_abr_CreditFacility250MillionMaturity2026Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_ea075c8f-90e2-4bf4-be38-159d354430a6_terseLabel_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Federal income tax rate</link:label>
    <link:label id="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate_label_en-US" xlink:label="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:to="lab_us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DerivativeInstrumentRiskAxis_e04cf619-6fb0-4f11-8ca1-964880860d7c_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative Instrument [Axis]</link:label>
    <link:label id="lab_us-gaap_DerivativeInstrumentRiskAxis_label_en-US" xlink:label="lab_us-gaap_DerivativeInstrumentRiskAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Instrument [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeInstrumentRiskAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DerivativeInstrumentRiskAxis" xlink:to="lab_us-gaap_DerivativeInstrumentRiskAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CreditFacility400MillionMember_3f022aaa-ab0d-411f-b6ca-49078aee1279_terseLabel_en-US" xlink:label="lab_abr_CreditFacility400MillionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$400M credit facility</link:label>
    <link:label id="lab_abr_CreditFacility400MillionMember_label_en-US" xlink:label="lab_abr_CreditFacility400MillionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility 400 Million [Member]</link:label>
    <link:label id="lab_abr_CreditFacility400MillionMember_documentation_en-US" xlink:label="lab_abr_CreditFacility400MillionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit Facility 400 Million</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CreditFacility400MillionMember" xlink:href="abr-20240930.xsd#abr_CreditFacility400MillionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CreditFacility400MillionMember" xlink:to="lab_abr_CreditFacility400MillionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OtherIncomeMember_50072a7e-47b1-49d2-a214-e6a6446d4283_terseLabel_en-US" xlink:label="lab_us-gaap_OtherIncomeMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other Income</link:label>
    <link:label id="lab_us-gaap_OtherIncomeMember_label_en-US" xlink:label="lab_us-gaap_OtherIncomeMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Income [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIncomeMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OtherIncomeMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OtherIncomeMember" xlink:to="lab_us-gaap_OtherIncomeMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear_3db99a12-e90c-470c-9fb4-92f73d808169_totalLabel_en-US" xlink:label="lab_us-gaap_ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">2024 (three months ending December 31, 2024)</link:label>
    <link:label id="lab_us-gaap_ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear_label_en-US" xlink:label="lab_us-gaap_ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Obligation, to be Paid, Remainder of Fiscal Year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear" xlink:to="lab_us-gaap_ContractualObligationFutureMinimumPaymentsDueRemainderOfFiscalYear" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_2c1fc462-9229-4c3a-b137-13ca7b1cfe59_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Carrying value</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentCarryingAmount_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentCarryingAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-Term Debt, Gross</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentCarryingAmount" xlink:to="lab_us-gaap_DebtInstrumentCarryingAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital_736cb444-0bee-4889-b3fd-467397642da7_verboseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Distribution from investment classified as return capital</link:label>
    <link:label id="lab_us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital_label_en-US" xlink:label="lab_us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Equity Method Investment, Distribution, Return of Capital</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital" xlink:to="lab_us-gaap_ProceedsFromEquityMethodInvestmentDividendsOrDistributionsReturnOfCapital" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AwardExrcPrice_terseLabel_en-US" xlink:label="lab_ecd_AwardExrcPrice" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Exercise Price</link:label>
    <link:label id="lab_ecd_AwardExrcPrice_label_en-US" xlink:label="lab_ecd_AwardExrcPrice" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Award Exercise Price</link:label>
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    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_AwardExrcPrice" xlink:to="lab_ecd_AwardExrcPrice" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_TrdArrDuration_terseLabel_en-US" xlink:label="lab_ecd_TrdArrDuration" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Arrangement Duration</link:label>
    <link:label id="lab_ecd_TrdArrDuration_label_en-US" xlink:label="lab_ecd_TrdArrDuration" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Trading Arrangement Duration</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_TrdArrDuration" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_TrdArrDuration"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_TrdArrDuration" xlink:to="lab_ecd_TrdArrDuration" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_EquityMethodIndirectOwnershipPercentage_8e4f32ee-0160-41a6-980f-5f5349deba4a_terseLabel_en-US" xlink:label="lab_abr_EquityMethodIndirectOwnershipPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Indirect ownership percentage</link:label>
    <link:label id="lab_abr_EquityMethodIndirectOwnershipPercentage_label_en-US" xlink:label="lab_abr_EquityMethodIndirectOwnershipPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Indirect Ownership Percentage</link:label>
    <link:label id="lab_abr_EquityMethodIndirectOwnershipPercentage_documentation_en-US" xlink:label="lab_abr_EquityMethodIndirectOwnershipPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to the percentage of indirect ownership in a business.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_EquityMethodIndirectOwnershipPercentage" xlink:href="abr-20240930.xsd#abr_EquityMethodIndirectOwnershipPercentage"/>
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    <link:label id="lab_abr_ScheduleOfComponentsOfFairAndOtherRelevantInformationTableTextBlock_4f245223-8f86-4c22-99c6-a264bdfd7b2d_terseLabel_en-US" xlink:label="lab_abr_ScheduleOfComponentsOfFairAndOtherRelevantInformationTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Components of Fair and Other Relevant Information</link:label>
    <link:label id="lab_abr_ScheduleOfComponentsOfFairAndOtherRelevantInformationTableTextBlock_label_en-US" xlink:label="lab_abr_ScheduleOfComponentsOfFairAndOtherRelevantInformationTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Components of Fair and Other Relevant Information [Table Text Block]</link:label>
    <link:label id="lab_abr_ScheduleOfComponentsOfFairAndOtherRelevantInformationTableTextBlock_documentation_en-US" xlink:label="lab_abr_ScheduleOfComponentsOfFairAndOtherRelevantInformationTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Tabular disclosure of components of fair value and other relevant information.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ScheduleOfComponentsOfFairAndOtherRelevantInformationTableTextBlock" xlink:href="abr-20240930.xsd#abr_ScheduleOfComponentsOfFairAndOtherRelevantInformationTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ScheduleOfComponentsOfFairAndOtherRelevantInformationTableTextBlock" xlink:to="lab_abr_ScheduleOfComponentsOfFairAndOtherRelevantInformationTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LoansAndLeasesReceivableImpairedCommitmentToLend_eb3a3b57-ab54-457a-9a20-152c0b9cfdf8_terseLabel_en-US" xlink:label="lab_us-gaap_LoansAndLeasesReceivableImpairedCommitmentToLend" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Future funding commitments, modified loans, borrowers experiencing financial difficulty</link:label>
    <link:label id="lab_us-gaap_LoansAndLeasesReceivableImpairedCommitmentToLend_label_en-US" xlink:label="lab_us-gaap_LoansAndLeasesReceivableImpairedCommitmentToLend" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Modified, Commitment to Lend</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoansAndLeasesReceivableImpairedCommitmentToLend" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LoansAndLeasesReceivableImpairedCommitmentToLend"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LoansAndLeasesReceivableImpairedCommitmentToLend" xlink:to="lab_us-gaap_LoansAndLeasesReceivableImpairedCommitmentToLend" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfVariableInterestEntitiesTable_2e69718e-d953-4d8f-b14f-dd48c8ef01df_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Variable Interest Entities [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfVariableInterestEntitiesTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Variable Interest Entity [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:to="lab_us-gaap_ScheduleOfVariableInterestEntitiesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockholdersEquityAbstract_75361c8b-85df-4a57-a580-0586e5df06e6_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Arbor Realty Trust, Inc. stockholders' equity:</link:label>
    <link:label id="lab_us-gaap_StockholdersEquityAbstract_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity, Attributable to Parent [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityAbstract" xlink:to="lab_us-gaap_StockholdersEquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_b5d346a7-38d5-4a40-b0d9-ae079fd123b6_terseLabel_en-US" xlink:label="lab_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Name of Property [Axis]</link:label>
    <link:label id="lab_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis_label_en-US" xlink:label="lab_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Name of Property [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:to="lab_srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable_1d3a4104-2608-4057-b8d5-6c899e9512ce_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Diluted, by Common Class, Including Two-Class Method [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable" xlink:to="lab_us-gaap_ScheduleOfEarningsPerShareDilutedByCommonClassTable" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MortgageLoansOnRealEstateNumberOfLoans_c9561191-f40b-4af5-80b9-eaec1b893216_verboseLabel_en-US" xlink:label="lab_srt_MortgageLoansOnRealEstateNumberOfLoans" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Loan Count</link:label>
    <link:label id="lab_srt_MortgageLoansOnRealEstateNumberOfLoans_44b16606-cb41-49cc-aeec-40188a18aa2f_terseLabel_en-US" xlink:label="lab_srt_MortgageLoansOnRealEstateNumberOfLoans" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of loans</link:label>
    <link:label id="lab_srt_MortgageLoansOnRealEstateNumberOfLoans_label_en-US" xlink:label="lab_srt_MortgageLoansOnRealEstateNumberOfLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Number of Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNumberOfLoans" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MortgageLoansOnRealEstateNumberOfLoans"/>
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    <link:label id="lab_us-gaap_ExtendedMaturityMember_54a4dd76-7e51-4fae-b286-46383b7456d1_terseLabel_en-US" xlink:label="lab_us-gaap_ExtendedMaturityMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Extended Maturity</link:label>
    <link:label id="lab_us-gaap_ExtendedMaturityMember_label_en-US" xlink:label="lab_us-gaap_ExtendedMaturityMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Extended Maturity [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ExtendedMaturityMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ExtendedMaturityMember"/>
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    <link:label id="lab_ecd_MtrlTermsOfTrdArrTextBlock_terseLabel_en-US" xlink:label="lab_ecd_MtrlTermsOfTrdArrTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Material Terms of Trading Arrangement</link:label>
    <link:label id="lab_ecd_MtrlTermsOfTrdArrTextBlock_label_en-US" xlink:label="lab_ecd_MtrlTermsOfTrdArrTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Material Terms of Trading Arrangement [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_MtrlTermsOfTrdArrTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_MtrlTermsOfTrdArrTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_MtrlTermsOfTrdArrTextBlock" xlink:to="lab_ecd_MtrlTermsOfTrdArrTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_HeldToMaturitySecuritiesFaceValueOfSecuritiesPurchased_810440cf-5bd5-41d7-ae24-85a54da2f6ee_terseLabel_en-US" xlink:label="lab_abr_HeldToMaturitySecuritiesFaceValueOfSecuritiesPurchased" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Initial face value of bonds purchased</link:label>
    <link:label id="lab_abr_HeldToMaturitySecuritiesFaceValueOfSecuritiesPurchased_label_en-US" xlink:label="lab_abr_HeldToMaturitySecuritiesFaceValueOfSecuritiesPurchased" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held To Maturity Securities Face Value of Securities Purchased</link:label>
    <link:label id="lab_abr_HeldToMaturitySecuritiesFaceValueOfSecuritiesPurchased_documentation_en-US" xlink:label="lab_abr_HeldToMaturitySecuritiesFaceValueOfSecuritiesPurchased" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Face value of investments in debt securities purchased classified as held-to-maturity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_HeldToMaturitySecuritiesFaceValueOfSecuritiesPurchased" xlink:href="abr-20240930.xsd#abr_HeldToMaturitySecuritiesFaceValueOfSecuritiesPurchased"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_HeldToMaturitySecuritiesFaceValueOfSecuritiesPurchased" xlink:to="lab_abr_HeldToMaturitySecuritiesFaceValueOfSecuritiesPurchased" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_5ca4ca77-e19d-417b-ace5-28ac0c7d79f3_verboseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">2028</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AllIndividualsMember_terseLabel_en-US" xlink:label="lab_ecd_AllIndividualsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">All Individuals</link:label>
    <link:label id="lab_ecd_AllIndividualsMember_label_en-US" xlink:label="lab_ecd_AllIndividualsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">All Individuals [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AllIndividualsMember" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AllIndividualsMember"/>
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    <link:label id="lab_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_97116dc8-ef85-4497-9348-56c6f82eb8e7_terseLabel_en-US" xlink:label="lab_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basis of Presentation and Significant Accounting Policies</link:label>
    <link:label id="lab_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_label_en-US" xlink:label="lab_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Basis of Presentation and Significant Accounting Policies [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock"/>
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    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss_1fc601cb-fe40-47b1-85bd-cdc29ff30bc0_negatedLabel_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Unrealized Loss</link:label>
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss_label_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Securities, Held-to-Maturity, Accumulated Unrecognized Loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss"/>
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    <link:label id="lab_us-gaap_CreditConcentrationRiskMember_05f49794-e074-4510-a133-980c7e8ad899_terseLabel_en-US" xlink:label="lab_us-gaap_CreditConcentrationRiskMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit risk concentration</link:label>
    <link:label id="lab_us-gaap_CreditConcentrationRiskMember_label_en-US" xlink:label="lab_us-gaap_CreditConcentrationRiskMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Concentration Risk [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditConcentrationRiskMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditConcentrationRiskMember"/>
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    <link:label id="lab_abr_ScheduleOfComponentsOfServicingRevenueNetTableTextBlock_f772394b-44e3-4748-9dcd-e3e086cb0d02_terseLabel_en-US" xlink:label="lab_abr_ScheduleOfComponentsOfServicingRevenueNetTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Components of Servicing Revenue, Net</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_abr_ScheduleOfComponentsOfServicingRevenueNetTableTextBlock" xlink:href="abr-20240930.xsd#abr_ScheduleOfComponentsOfServicingRevenueNetTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ScheduleOfComponentsOfServicingRevenueNetTableTextBlock" xlink:to="lab_abr_ScheduleOfComponentsOfServicingRevenueNetTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeTaxDisclosureAbstract_dff047ee-4839-457b-9756-89e1016d3fc6_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Tax Disclosure [Abstract]</link:label>
    <link:label id="lab_us-gaap_IncomeTaxDisclosureAbstract_label_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Disclosure [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract" xlink:to="lab_us-gaap_IncomeTaxDisclosureAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_bf24d184-e4c1-4caa-8d8b-a78522b6e45b_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing receivable, net of reserve</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss" xlink:to="lab_us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StatementOfStockholdersEquityAbstract_73aad49d-0d7e-4979-878f-603dba4463ac_terseLabel_en-US" xlink:label="lab_us-gaap_StatementOfStockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of Stockholders' Equity [Abstract]</link:label>
    <link:label id="lab_us-gaap_StatementOfStockholdersEquityAbstract_label_en-US" xlink:label="lab_us-gaap_StatementOfStockholdersEquityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Stockholders' Equity [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfStockholdersEquityAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementOfStockholdersEquityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfStockholdersEquityAbstract" xlink:to="lab_us-gaap_StatementOfStockholdersEquityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_32ecab72-812d-4fef-b768-4302985b7520_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items]</link:label>
    <link:label id="lab_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems_label_en-US" xlink:label="lab_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Compensation Arrangement with Individual, Excluding Share-Based Payments and Postretirement Benefits [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems" xlink:to="lab_us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PreferredStockDividendsPerShareDeclared_fc7ccd7c-e5b8-49e8-b280-b9bcb2db0e43_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockDividendsPerShareDeclared" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash dividend declared on redeemable preferred stock (in dollars per share)</link:label>
    <link:label id="lab_us-gaap_PreferredStockDividendsPerShareDeclared_label_en-US" xlink:label="lab_us-gaap_PreferredStockDividendsPerShareDeclared" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Dividends Per Share, Declared</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockDividendsPerShareDeclared" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockDividendsPerShareDeclared"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockDividendsPerShareDeclared" xlink:to="lab_us-gaap_PreferredStockDividendsPerShareDeclared" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_OneBuildingMember_439febf6-2096-436a-84ff-e67920050ac3_terseLabel_en-US" xlink:label="lab_abr_OneBuildingMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">One Building</link:label>
    <link:label id="lab_abr_OneBuildingMember_label_en-US" xlink:label="lab_abr_OneBuildingMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">One Building [Member]</link:label>
    <link:label id="lab_abr_OneBuildingMember_documentation_en-US" xlink:label="lab_abr_OneBuildingMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">One Building</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_OneBuildingMember" xlink:href="abr-20240930.xsd#abr_OneBuildingMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_OneBuildingMember" xlink:to="lab_abr_OneBuildingMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ConvertibleNotesPayable_c111ef48-09e4-4835-b270-910bfe5c948d_terseLabel_en-US" xlink:label="lab_us-gaap_ConvertibleNotesPayable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Convertible senior unsecured notes</link:label>
    <link:label id="lab_us-gaap_ConvertibleNotesPayable_label_en-US" xlink:label="lab_us-gaap_ConvertibleNotesPayable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Convertible Notes Payable</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConvertibleNotesPayable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConvertibleNotesPayable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConvertibleNotesPayable" xlink:to="lab_us-gaap_ConvertibleNotesPayable" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NorthVermontAvenueMember_647a73f3-623a-41f1-b7ae-3e027e580bba_terseLabel_en-US" xlink:label="lab_abr_NorthVermontAvenueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">North Vermont Avenue</link:label>
    <link:label id="lab_abr_NorthVermontAvenueMember_label_en-US" xlink:label="lab_abr_NorthVermontAvenueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">North Vermont Avenue [Member]</link:label>
    <link:label id="lab_abr_NorthVermontAvenueMember_documentation_en-US" xlink:label="lab_abr_NorthVermontAvenueMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">North Vermont Avenue</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NorthVermontAvenueMember" xlink:href="abr-20240930.xsd#abr_NorthVermontAvenueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NorthVermontAvenueMember" xlink:to="lab_abr_NorthVermontAvenueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LoanToAffiliateFundedAmount_1342925f-1151-4c89-b2e0-5ce7704ee756_terseLabel_en-US" xlink:label="lab_abr_LoanToAffiliateFundedAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loan to affiliate, funded amount</link:label>
    <link:label id="lab_abr_LoanToAffiliateFundedAmount_label_en-US" xlink:label="lab_abr_LoanToAffiliateFundedAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan To Affiliate, Funded Amount</link:label>
    <link:label id="lab_abr_LoanToAffiliateFundedAmount_documentation_en-US" xlink:label="lab_abr_LoanToAffiliateFundedAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loan To Affiliate, Funded Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LoanToAffiliateFundedAmount" xlink:href="abr-20240930.xsd#abr_LoanToAffiliateFundedAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LoanToAffiliateFundedAmount" xlink:to="lab_abr_LoanToAffiliateFundedAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_PrepaymentFeeIncomeGeneratedByServicingAssetsAmount_61f60b01-7174-418e-b430-12d1af632232_terseLabel_en-US" xlink:label="lab_abr_PrepaymentFeeIncomeGeneratedByServicingAssetsAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prepayment fees collected</link:label>
    <link:label id="lab_abr_PrepaymentFeeIncomeGeneratedByServicingAssetsAmount_label_en-US" xlink:label="lab_abr_PrepaymentFeeIncomeGeneratedByServicingAssetsAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Prepayment Fee Income Generated by Servicing Assets, Amount</link:label>
    <link:label id="lab_abr_PrepaymentFeeIncomeGeneratedByServicingAssetsAmount_documentation_en-US" xlink:label="lab_abr_PrepaymentFeeIncomeGeneratedByServicingAssetsAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of income generated by servicing assets as a result of fees charged for prepayment of certain loans before original maturity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_PrepaymentFeeIncomeGeneratedByServicingAssetsAmount" xlink:href="abr-20240930.xsd#abr_PrepaymentFeeIncomeGeneratedByServicingAssetsAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_PrepaymentFeeIncomeGeneratedByServicingAssetsAmount" xlink:to="lab_abr_PrepaymentFeeIncomeGeneratedByServicingAssetsAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_01acfb2a-dece-491c-81f9-3d11c844397f_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2024 (three months ending December 31, 2024)</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-Term Debt, Maturity, Remainder of Fiscal Year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ChangeInFairValueOfHeldForSaleLoans_087aa945-ae9d-4977-8d9c-86546db1c0f5_negatedLabel_en-US" xlink:label="lab_abr_ChangeInFairValueOfHeldForSaleLoans" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Change in fair value of held-for-sale loans</link:label>
    <link:label id="lab_abr_ChangeInFairValueOfHeldForSaleLoans_label_en-US" xlink:label="lab_abr_ChangeInFairValueOfHeldForSaleLoans" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change in Fair Value of Held for Sale Loans</link:label>
    <link:label id="lab_abr_ChangeInFairValueOfHeldForSaleLoans_documentation_en-US" xlink:label="lab_abr_ChangeInFairValueOfHeldForSaleLoans" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of change in fair value of held-for-sale loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ChangeInFairValueOfHeldForSaleLoans" xlink:href="abr-20240930.xsd#abr_ChangeInFairValueOfHeldForSaleLoans"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ChangeInFairValueOfHeldForSaleLoans" xlink:to="lab_abr_ChangeInFairValueOfHeldForSaleLoans" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_OperatingPartnershipUnitsConversionRatio_108aa400-33db-4c41-a0ac-6e1c5e09f15e_terseLabel_en-US" xlink:label="lab_abr_OperatingPartnershipUnitsConversionRatio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Conversion ratio for operating partnership units to common stock shares</link:label>
    <link:label id="lab_abr_OperatingPartnershipUnitsConversionRatio_label_en-US" xlink:label="lab_abr_OperatingPartnershipUnitsConversionRatio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Partnership Units Conversion Ratio</link:label>
    <link:label id="lab_abr_OperatingPartnershipUnitsConversionRatio_documentation_en-US" xlink:label="lab_abr_OperatingPartnershipUnitsConversionRatio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents conversion ratio of operating partnership units to common stock shares.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_OperatingPartnershipUnitsConversionRatio" xlink:href="abr-20240930.xsd#abr_OperatingPartnershipUnitsConversionRatio"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_OperatingPartnershipUnitsConversionRatio" xlink:to="lab_abr_OperatingPartnershipUnitsConversionRatio" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LineOfCreditFacilityAxis_f545145c-16bd-42f2-8dd3-2eb8de9ea760_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lender Name [Axis]</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityAxis_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lender Name [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityAxis" xlink:to="lab_us-gaap_LineOfCreditFacilityAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_DocsumoPte.LtdMember_d835235f-f40f-4dfa-8479-204ff11ce94b_terseLabel_en-US" xlink:label="lab_abr_DocsumoPte.LtdMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Docsumo Pte. Ltd.</link:label>
    <link:label id="lab_abr_DocsumoPte.LtdMember_label_en-US" xlink:label="lab_abr_DocsumoPte.LtdMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Docsumo Pte. Ltd [Member]</link:label>
    <link:label id="lab_abr_DocsumoPte.LtdMember_documentation_en-US" xlink:label="lab_abr_DocsumoPte.LtdMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the information pertaining to Docsumo Pte. Ltd.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_DocsumoPte.LtdMember" xlink:href="abr-20240930.xsd#abr_DocsumoPte.LtdMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_DocsumoPte.LtdMember" xlink:to="lab_abr_DocsumoPte.LtdMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_MeasurementInputAppraisedValueMember_dd8443ba-1662-4427-b43c-bada61e5fa0d_terseLabel_en-US" xlink:label="lab_us-gaap_MeasurementInputAppraisedValueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Price per acre</link:label>
    <link:label id="lab_us-gaap_MeasurementInputAppraisedValueMember_label_en-US" xlink:label="lab_us-gaap_MeasurementInputAppraisedValueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Measurement Input, Appraised Value [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MeasurementInputAppraisedValueMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MeasurementInputAppraisedValueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MeasurementInputAppraisedValueMember" xlink:to="lab_us-gaap_MeasurementInputAppraisedValueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RelatedPartyDomain_aa1b013a-6202-43c1-a244-59c78a56eda3_terseLabel_en-US" xlink:label="lab_us-gaap_RelatedPartyDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Related Party [Domain]</link:label>
    <link:label id="lab_us-gaap_RelatedPartyDomain_label_en-US" xlink:label="lab_us-gaap_RelatedPartyDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related and Nonrelated Parties [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RelatedPartyDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RelatedPartyDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RelatedPartyDomain" xlink:to="lab_us-gaap_RelatedPartyDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MaturityDateOfJune2021Member_c6fdcd5e-868e-4fd0-827f-e92962c76e3d_terseLabel_en-US" xlink:label="lab_abr_MaturityDateOfJune2021Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity Date Of June 2021</link:label>
    <link:label id="lab_abr_MaturityDateOfJune2021Member_label_en-US" xlink:label="lab_abr_MaturityDateOfJune2021Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity Date Of June 2021 [Member]</link:label>
    <link:label id="lab_abr_MaturityDateOfJune2021Member_documentation_en-US" xlink:label="lab_abr_MaturityDateOfJune2021Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents loans receivable with the maturity date of June, 2021.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MaturityDateOfJune2021Member" xlink:href="abr-20240930.xsd#abr_MaturityDateOfJune2021Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MaturityDateOfJune2021Member" xlink:to="lab_abr_MaturityDateOfJune2021Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable_4ef7e57c-9efb-493c-b34f-46b740cf2fb6_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing Receivable, Modified [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Modified [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:to="lab_us-gaap_ScheduleOfFinancingReceivableTroubledDebtRestructuringsTable" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CreditFacility50MillionMember_a7f46420-d7ca-4ebe-a3c1-e16568b5d0f3_terseLabel_en-US" xlink:label="lab_abr_CreditFacility50MillionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$50M credit facility</link:label>
    <link:label id="lab_abr_CreditFacility50MillionMember_label_en-US" xlink:label="lab_abr_CreditFacility50MillionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility 50 Million [Member]</link:label>
    <link:label id="lab_abr_CreditFacility50MillionMember_documentation_en-US" xlink:label="lab_abr_CreditFacility50MillionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information, pertaining to the $50 million credit facility.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CreditFacility50MillionMember" xlink:href="abr-20240930.xsd#abr_CreditFacility50MillionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CreditFacility50MillionMember" xlink:to="lab_abr_CreditFacility50MillionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfLossContingenciesByContingencyTextBlock_99a0ebef-48a2-4b11-aaf7-b952bd3db8cf_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfLossContingenciesByContingencyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Allowance for Loss-Sharing</link:label>
    <link:label id="lab_us-gaap_ScheduleOfLossContingenciesByContingencyTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfLossContingenciesByContingencyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Loss Contingencies by Contingency [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfLossContingenciesByContingencyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfLossContingenciesByContingencyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfLossContingenciesByContingencyTextBlock" xlink:to="lab_us-gaap_ScheduleOfLossContingenciesByContingencyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableBorrowerRequiredFunding_ee7ef085-4f83-45ac-8708-2fcfbcb9e554_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableBorrowerRequiredFunding" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing receivable, borrower required funding</link:label>
    <link:label id="lab_abr_FinancingReceivableBorrowerRequiredFunding_label_en-US" xlink:label="lab_abr_FinancingReceivableBorrowerRequiredFunding" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Borrower Required Funding</link:label>
    <link:label id="lab_abr_FinancingReceivableBorrowerRequiredFunding_documentation_en-US" xlink:label="lab_abr_FinancingReceivableBorrowerRequiredFunding" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Borrower Required Funding</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableBorrowerRequiredFunding" xlink:href="abr-20240930.xsd#abr_FinancingReceivableBorrowerRequiredFunding"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableBorrowerRequiredFunding" xlink:to="lab_abr_FinancingReceivableBorrowerRequiredFunding" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_MortgagesMember_403787d9-b40a-41e0-ad44-0b23704c183e_terseLabel_en-US" xlink:label="lab_us-gaap_MortgagesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgages</link:label>
    <link:label id="lab_us-gaap_MortgagesMember_label_en-US" xlink:label="lab_us-gaap_MortgagesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgages [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MortgagesMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_MortgagesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_MortgagesMember" xlink:to="lab_us-gaap_MortgagesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NumberOfBridgeLoansSold_d1b7ca17-2fd9-4d42-ba47-f1cb272ba384_terseLabel_en-US" xlink:label="lab_abr_NumberOfBridgeLoansSold" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of bridge loans sold</link:label>
    <link:label id="lab_abr_NumberOfBridgeLoansSold_label_en-US" xlink:label="lab_abr_NumberOfBridgeLoansSold" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number Of Bridge Loans Sold</link:label>
    <link:label id="lab_abr_NumberOfBridgeLoansSold_documentation_en-US" xlink:label="lab_abr_NumberOfBridgeLoansSold" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number Of Bridge Loans Sold</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NumberOfBridgeLoansSold" xlink:href="abr-20240930.xsd#abr_NumberOfBridgeLoansSold"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NumberOfBridgeLoansSold" xlink:to="lab_abr_NumberOfBridgeLoansSold" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_UnrealizedImpairmentIncomeLoss_07264f91-6f00-4d3e-aa5c-9c37a2558b95_negatedLabel_en-US" xlink:label="lab_abr_UnrealizedImpairmentIncomeLoss" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Unrealized impairment loss</link:label>
    <link:label id="lab_abr_UnrealizedImpairmentIncomeLoss_label_en-US" xlink:label="lab_abr_UnrealizedImpairmentIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unrealized Impairment Income (loss)</link:label>
    <link:label id="lab_abr_UnrealizedImpairmentIncomeLoss_documentation_en-US" xlink:label="lab_abr_UnrealizedImpairmentIncomeLoss" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of unrealized income (loss) on loans held for sale.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_UnrealizedImpairmentIncomeLoss" xlink:href="abr-20240930.xsd#abr_UnrealizedImpairmentIncomeLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_UnrealizedImpairmentIncomeLoss" xlink:to="lab_abr_UnrealizedImpairmentIncomeLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLoss_f58f4555-17b3-4c3d-a672-f77189329deb_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLoss" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Securities held-to-maturity, allowance for credit losses</link:label>
    <link:label id="lab_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLoss_fdb56784-5b3e-4bd1-adf9-41820d8cfd52_terseLabel_en-US" xlink:label="lab_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLoss" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allowance for Credit Losses</link:label>
    <link:label id="lab_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLoss_f0dcb713-cecd-48a7-bd27-233f41884e85_periodStartLabel_en-US" xlink:label="lab_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLoss" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Allowance for credit loss, Beginning balance</link:label>
    <link:label id="lab_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLoss_92e4bdcc-8e35-43f6-b081-2c77f22bbcb6_periodEndLabel_en-US" xlink:label="lab_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLoss" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Allowance for credit loss, Ending balance</link:label>
    <link:label id="lab_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLoss_label_en-US" xlink:label="lab_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Securities, Held-to-Maturity, Allowance for Credit Loss</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLoss" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLoss" xlink:to="lab_us-gaap_DebtSecuritiesHeldToMaturityAllowanceForCreditLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_DueToBorrowers_3a5c8d7f-c2fc-41cb-b23f-f4612edc120d_terseLabel_en-US" xlink:label="lab_abr_DueToBorrowers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Due to borrowers</link:label>
    <link:label id="lab_abr_DueToBorrowers_label_en-US" xlink:label="lab_abr_DueToBorrowers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Due to Borrowers</link:label>
    <link:label id="lab_abr_DueToBorrowers_documentation_en-US" xlink:label="lab_abr_DueToBorrowers" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The obligation from funds furnished by a borrower to a lender to assure future payments. Escrow deposits may be received for a variety of purposes such as earnest money and contingent payments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_DueToBorrowers" xlink:href="abr-20240930.xsd#abr_DueToBorrowers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_DueToBorrowers" xlink:to="lab_abr_DueToBorrowers" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NumberOfLoansUnderLoanPortfolio_a5cb0c1a-5b2b-42e9-8e20-5b6245b1e552_terseLabel_en-US" xlink:label="lab_abr_NumberOfLoansUnderLoanPortfolio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of loans under the loan portfolio</link:label>
    <link:label id="lab_abr_NumberOfLoansUnderLoanPortfolio_label_en-US" xlink:label="lab_abr_NumberOfLoansUnderLoanPortfolio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Loans Under the Loan Portfolio</link:label>
    <link:label id="lab_abr_NumberOfLoansUnderLoanPortfolio_documentation_en-US" xlink:label="lab_abr_NumberOfLoansUnderLoanPortfolio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the number of loans related to the real estate property under the loan portfolio.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NumberOfLoansUnderLoanPortfolio" xlink:href="abr-20240930.xsd#abr_NumberOfLoansUnderLoanPortfolio"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NumberOfLoansUnderLoanPortfolio" xlink:to="lab_abr_NumberOfLoansUnderLoanPortfolio" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockRepurchasedDuringPeriodShares_e24689d1-82db-4f7b-9df7-9e552f570139_negatedLabel_en-US" xlink:label="lab_us-gaap_StockRepurchasedDuringPeriodShares" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Repurchase - common stock (in shares)</link:label>
    <link:label id="lab_us-gaap_StockRepurchasedDuringPeriodShares_label_en-US" xlink:label="lab_us-gaap_StockRepurchasedDuringPeriodShares" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Repurchased During Period, Shares</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodShares" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockRepurchasedDuringPeriodShares"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockRepurchasedDuringPeriodShares" xlink:to="lab_us-gaap_StockRepurchasedDuringPeriodShares" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_PeriodOfLoansHeldForSaleSold_ad40ef5a-5474-4127-8927-19cb90255f00_terseLabel_en-US" xlink:label="lab_abr_PeriodOfLoansHeldForSaleSold" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Period of loans held for sale sold</link:label>
    <link:label id="lab_abr_PeriodOfLoansHeldForSaleSold_label_en-US" xlink:label="lab_abr_PeriodOfLoansHeldForSaleSold" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Period of Loans Held-for-Sale Sold</link:label>
    <link:label id="lab_abr_PeriodOfLoansHeldForSaleSold_documentation_en-US" xlink:label="lab_abr_PeriodOfLoansHeldForSaleSold" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maximum period from the origination date a loan receivables held-for-sale will be sold.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_PeriodOfLoansHeldForSaleSold" xlink:href="abr-20240930.xsd#abr_PeriodOfLoansHeldForSaleSold"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_PeriodOfLoansHeldForSaleSold" xlink:to="lab_abr_PeriodOfLoansHeldForSaleSold" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_WarehouseRepurchaseFacility450MillionWithExtendedMaturityOfMarch2026Member_fbe9ac7e-67df-4176-a657-2afe555ae90c_terseLabel_en-US" xlink:label="lab_abr_WarehouseRepurchaseFacility450MillionWithExtendedMaturityOfMarch2026Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$450M repurchase facility</link:label>
    <link:label id="lab_abr_WarehouseRepurchaseFacility450MillionWithExtendedMaturityOfMarch2026Member_label_en-US" xlink:label="lab_abr_WarehouseRepurchaseFacility450MillionWithExtendedMaturityOfMarch2026Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Warehouse Repurchase Facility 450 Million With Extended Maturity Of March 2026 [Member]</link:label>
    <link:label id="lab_abr_WarehouseRepurchaseFacility450MillionWithExtendedMaturityOfMarch2026Member_documentation_en-US" xlink:label="lab_abr_WarehouseRepurchaseFacility450MillionWithExtendedMaturityOfMarch2026Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to $450 million repurchase facility with extended maturity of March 2023.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_WarehouseRepurchaseFacility450MillionWithExtendedMaturityOfMarch2026Member" xlink:href="abr-20240930.xsd#abr_WarehouseRepurchaseFacility450MillionWithExtendedMaturityOfMarch2026Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_WarehouseRepurchaseFacility450MillionWithExtendedMaturityOfMarch2026Member" xlink:to="lab_abr_WarehouseRepurchaseFacility450MillionWithExtendedMaturityOfMarch2026Member" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LexfordPortfolioMember_d2914b77-5568-46f1-a3fe-664b48aeb471_terseLabel_en-US" xlink:label="lab_abr_LexfordPortfolioMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lexford Portfolio</link:label>
    <link:label id="lab_abr_LexfordPortfolioMember_label_en-US" xlink:label="lab_abr_LexfordPortfolioMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lexford Portfolio [Member]</link:label>
    <link:label id="lab_abr_LexfordPortfolioMember_documentation_en-US" xlink:label="lab_abr_LexfordPortfolioMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the investment in Lexford Portfolio, an equity affiliate of the entity accounted under the equity method of accounting.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LexfordPortfolioMember" xlink:href="abr-20240930.xsd#abr_LexfordPortfolioMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LexfordPortfolioMember" xlink:to="lab_abr_LexfordPortfolioMember" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_69f281eb-adc2-4636-94cf-2afe647f30ca_terseLabel_en-US" xlink:label="lab_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real Estate [Domain]</link:label>
    <link:label id="lab_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain_label_en-US" xlink:label="lab_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MortgageLoansOnRealEstateNamePropertyTypeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain" xlink:to="lab_srt_MortgageLoansOnRealEstateNamePropertyTypeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ShareRepurchaseProgramDomain_f6b9f4db-5f4d-44c8-9a65-d7c981456285_terseLabel_en-US" xlink:label="lab_srt_ShareRepurchaseProgramDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share Repurchase Program [Domain]</link:label>
    <link:label id="lab_srt_ShareRepurchaseProgramDomain_label_en-US" xlink:label="lab_srt_ShareRepurchaseProgramDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Repurchase Program [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ShareRepurchaseProgramDomain" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ShareRepurchaseProgramDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ShareRepurchaseProgramDomain" xlink:to="lab_srt_ShareRepurchaseProgramDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MortgageLoansOnRealEstatePercentage_2c6bae76-6536-4603-9915-1587c12d417c_terseLabel_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstatePercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percent of Total</link:label>
    <link:label id="lab_abr_MortgageLoansOnRealEstatePercentage_a69830ec-aab0-482c-b9b6-f686c0f64e43_verboseLabel_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstatePercentage" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Percentage of Portfolio</link:label>
    <link:label id="lab_abr_MortgageLoansOnRealEstatePercentage_label_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstatePercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Loans on Real Estate Percentage</link:label>
    <link:label id="lab_abr_MortgageLoansOnRealEstatePercentage_documentation_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstatePercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents a category of loans on real estate expressed as a percentage of total loans on real estate.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MortgageLoansOnRealEstatePercentage" xlink:href="abr-20240930.xsd#abr_MortgageLoansOnRealEstatePercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MortgageLoansOnRealEstatePercentage" xlink:to="lab_abr_MortgageLoansOnRealEstatePercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_fc0da348-71c4-46dd-9fc5-3ca2cd93f9a8_terseLabel_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies</link:label>
    <link:label id="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_label_en-US" xlink:label="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Commitments and Contingencies Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:to="lab_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MinimumLiquidAssetsRequiredToMeetOperationalLiquidityRequirements_62b642c6-d514-40b4-9dc1-30d1e07dd9ba_terseLabel_en-US" xlink:label="lab_abr_MinimumLiquidAssetsRequiredToMeetOperationalLiquidityRequirements" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Minimum liquid assets to be maintained to meet operational liquidity requirements</link:label>
    <link:label id="lab_abr_MinimumLiquidAssetsRequiredToMeetOperationalLiquidityRequirements_label_en-US" xlink:label="lab_abr_MinimumLiquidAssetsRequiredToMeetOperationalLiquidityRequirements" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Minimum Liquid Assets Required To Meet Operational Liquidity Requirements</link:label>
    <link:label id="lab_abr_MinimumLiquidAssetsRequiredToMeetOperationalLiquidityRequirements_documentation_en-US" xlink:label="lab_abr_MinimumLiquidAssetsRequiredToMeetOperationalLiquidityRequirements" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The minimum liquid assets required to be maintained by the entity to meet operational liquidity requirements as of the balance sheet date.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MinimumLiquidAssetsRequiredToMeetOperationalLiquidityRequirements" xlink:href="abr-20240930.xsd#abr_MinimumLiquidAssetsRequiredToMeetOperationalLiquidityRequirements"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MinimumLiquidAssetsRequiredToMeetOperationalLiquidityRequirements" xlink:to="lab_abr_MinimumLiquidAssetsRequiredToMeetOperationalLiquidityRequirements" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_DebtInstrumentMaturityDateLengthOfExtensionPeriod_927873ea-0b35-4e70-a96a-6ae135837290_terseLabel_en-US" xlink:label="lab_abr_DebtInstrumentMaturityDateLengthOfExtensionPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Length of extension option</link:label>
    <link:label id="lab_abr_DebtInstrumentMaturityDateLengthOfExtensionPeriod_label_en-US" xlink:label="lab_abr_DebtInstrumentMaturityDateLengthOfExtensionPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Maturity Date, Length of Extension Period</link:label>
    <link:label id="lab_abr_DebtInstrumentMaturityDateLengthOfExtensionPeriod_documentation_en-US" xlink:label="lab_abr_DebtInstrumentMaturityDateLengthOfExtensionPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instrument, Maturity Date, Length of Extension Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_DebtInstrumentMaturityDateLengthOfExtensionPeriod" xlink:href="abr-20240930.xsd#abr_DebtInstrumentMaturityDateLengthOfExtensionPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_DebtInstrumentMaturityDateLengthOfExtensionPeriod" xlink:to="lab_abr_DebtInstrumentMaturityDateLengthOfExtensionPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RelatedPartyTransactionReimbursementForFlightsCharteredByCompanyExecutives_a1e0068d-3971-4af2-bcb0-35270a34aa6c_terseLabel_en-US" xlink:label="lab_abr_RelatedPartyTransactionReimbursementForFlightsCharteredByCompanyExecutives" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reimbursement for flights chartered by the company's executives</link:label>
    <link:label id="lab_abr_RelatedPartyTransactionReimbursementForFlightsCharteredByCompanyExecutives_label_en-US" xlink:label="lab_abr_RelatedPartyTransactionReimbursementForFlightsCharteredByCompanyExecutives" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transaction, Reimbursement For Flights Chartered By Company Executives</link:label>
    <link:label id="lab_abr_RelatedPartyTransactionReimbursementForFlightsCharteredByCompanyExecutives_documentation_en-US" xlink:label="lab_abr_RelatedPartyTransactionReimbursementForFlightsCharteredByCompanyExecutives" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of reimbursements made to related party during the period for flights chartered by the company's executives.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RelatedPartyTransactionReimbursementForFlightsCharteredByCompanyExecutives" xlink:href="abr-20240930.xsd#abr_RelatedPartyTransactionReimbursementForFlightsCharteredByCompanyExecutives"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RelatedPartyTransactionReimbursementForFlightsCharteredByCompanyExecutives" xlink:to="lab_abr_RelatedPartyTransactionReimbursementForFlightsCharteredByCompanyExecutives" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_MeasureAxis_terseLabel_en-US" xlink:label="lab_ecd_MeasureAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Measure:</link:label>
    <link:label id="lab_ecd_MeasureAxis_label_en-US" xlink:label="lab_ecd_MeasureAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Measure [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_MeasureAxis" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_MeasureAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_MeasureAxis" xlink:to="lab_ecd_MeasureAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_b5943917-35b6-4fa8-affb-eb254e714afe_verboseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Stock-based compensation, net</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PreferredStockSharesAuthorized_aa2fd7f5-7ce5-4e2c-8600-1aa002d7c9cd_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred stock, shares authorized (in shares)</link:label>
    <link:label id="lab_us-gaap_PreferredStockSharesAuthorized_label_en-US" xlink:label="lab_us-gaap_PreferredStockSharesAuthorized" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Shares Authorized</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockSharesAuthorized" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockSharesAuthorized"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockSharesAuthorized" xlink:to="lab_us-gaap_PreferredStockSharesAuthorized" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableAllowanceForCreditLossWriteoffForeclosedProperty_be04a87c-b823-497f-9bdc-0a5061519a4b_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableAllowanceForCreditLossWriteoffForeclosedProperty" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Charge-offs, foreclosed property</link:label>
    <link:label id="lab_abr_FinancingReceivableAllowanceForCreditLossWriteoffForeclosedProperty_label_en-US" xlink:label="lab_abr_FinancingReceivableAllowanceForCreditLossWriteoffForeclosedProperty" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Allowance for Credit Loss, Writeoff, Foreclosed Property</link:label>
    <link:label id="lab_abr_FinancingReceivableAllowanceForCreditLossWriteoffForeclosedProperty_documentation_en-US" xlink:label="lab_abr_FinancingReceivableAllowanceForCreditLossWriteoffForeclosedProperty" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Allowance for Credit Loss, Writeoff, Foreclosed Property</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableAllowanceForCreditLossWriteoffForeclosedProperty" xlink:href="abr-20240930.xsd#abr_FinancingReceivableAllowanceForCreditLossWriteoffForeclosedProperty"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableAllowanceForCreditLossWriteoffForeclosedProperty" xlink:to="lab_abr_FinancingReceivableAllowanceForCreditLossWriteoffForeclosedProperty" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_1a506f40-1701-47a5-8951-f2f8a76817a9_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issuance - common stock (in shares)</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Shares, New Issues</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodSharesNewIssues"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:to="lab_us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MaturityDateOfMarch2024Member_4556e611-99b8-4087-8b01-016139ea5e4f_terseLabel_en-US" xlink:label="lab_abr_MaturityDateOfMarch2024Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity date of March 2024</link:label>
    <link:label id="lab_abr_MaturityDateOfMarch2024Member_label_en-US" xlink:label="lab_abr_MaturityDateOfMarch2024Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity date of March 2024</link:label>
    <link:label id="lab_abr_MaturityDateOfMarch2024Member_documentation_en-US" xlink:label="lab_abr_MaturityDateOfMarch2024Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents loans receivable with the maturity date as March 2024.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MaturityDateOfMarch2024Member" xlink:href="abr-20240930.xsd#abr_MaturityDateOfMarch2024Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MaturityDateOfMarch2024Member" xlink:to="lab_abr_MaturityDateOfMarch2024Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_UnsecuredDebt_6e31c4b5-0221-403a-a867-024b9e9ed724_terseLabel_en-US" xlink:label="lab_us-gaap_UnsecuredDebt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unsecured financing provided by an unsecured lender to certain parent entities of the property owners</link:label>
    <link:label id="lab_us-gaap_UnsecuredDebt_label_en-US" xlink:label="lab_us-gaap_UnsecuredDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Unsecured Debt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnsecuredDebt" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_UnsecuredDebt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_UnsecuredDebt" xlink:to="lab_us-gaap_UnsecuredDebt" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CreditDefaultSwapMember_51630833-de38-4324-9f7c-b908d3417bfc_terseLabel_en-US" xlink:label="lab_us-gaap_CreditDefaultSwapMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Credit Default Swap</link:label>
    <link:label id="lab_us-gaap_CreditDefaultSwapMember_label_en-US" xlink:label="lab_us-gaap_CreditDefaultSwapMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Default Swap [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditDefaultSwapMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CreditDefaultSwapMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CreditDefaultSwapMember" xlink:to="lab_us-gaap_CreditDefaultSwapMember" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityEmergingGrowthCompany_524d4a3c-fdc2-41ee-9066-601464f96764_terseLabel_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Emerging Growth Company</link:label>
    <link:label id="lab_dei_EntityEmergingGrowthCompany_label_en-US" xlink:label="lab_dei_EntityEmergingGrowthCompany" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Emerging Growth Company</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityEmergingGrowthCompany" xlink:to="lab_dei_EntityEmergingGrowthCompany" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_PercentageOfEquityParticipationInterest_28fef3c9-f5cf-4b28-bb4a-d9f33c9b10c0_terseLabel_en-US" xlink:label="lab_abr_PercentageOfEquityParticipationInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity participation interest (as a percentage)</link:label>
    <link:label id="lab_abr_PercentageOfEquityParticipationInterest_label_en-US" xlink:label="lab_abr_PercentageOfEquityParticipationInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of Equity Participation Interest</link:label>
    <link:label id="lab_abr_PercentageOfEquityParticipationInterest_documentation_en-US" xlink:label="lab_abr_PercentageOfEquityParticipationInterest" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of equity participation interest.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_PercentageOfEquityParticipationInterest" xlink:href="abr-20240930.xsd#abr_PercentageOfEquityParticipationInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_PercentageOfEquityParticipationInterest" xlink:to="lab_abr_PercentageOfEquityParticipationInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MaturityDateOfJanuary2024Member_2efab218-f45c-4283-b6bf-e204f27c0aca_terseLabel_en-US" xlink:label="lab_abr_MaturityDateOfJanuary2024Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity date of January 2024</link:label>
    <link:label id="lab_abr_MaturityDateOfJanuary2024Member_label_en-US" xlink:label="lab_abr_MaturityDateOfJanuary2024Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity date of January 2024</link:label>
    <link:label id="lab_abr_MaturityDateOfJanuary2024Member_documentation_en-US" xlink:label="lab_abr_MaturityDateOfJanuary2024Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents loans receivable with the maturity date of January, 2024 .</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MaturityDateOfJanuary2024Member" xlink:href="abr-20240930.xsd#abr_MaturityDateOfJanuary2024Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MaturityDateOfJanuary2024Member" xlink:to="lab_abr_MaturityDateOfJanuary2024Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_33e6d1a9-83cb-4443-bce1-12aeee6bb4cc_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2029</link:label>
    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive_label_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-Term Debt, Maturity, Year Five</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:to="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LetterOfCreditRequiredAmount_7563a2b9-384f-4426-b141-d77d1e8e11c6_terseLabel_en-US" xlink:label="lab_abr_LetterOfCreditRequiredAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Letter of credit required</link:label>
    <link:label id="lab_abr_LetterOfCreditRequiredAmount_label_en-US" xlink:label="lab_abr_LetterOfCreditRequiredAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letter of Credit Required Amount</link:label>
    <link:label id="lab_abr_LetterOfCreditRequiredAmount_documentation_en-US" xlink:label="lab_abr_LetterOfCreditRequiredAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of the letter of credit assigned to meet the restricted liquidity required.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LetterOfCreditRequiredAmount" xlink:href="abr-20240930.xsd#abr_LetterOfCreditRequiredAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LetterOfCreditRequiredAmount" xlink:to="lab_abr_LetterOfCreditRequiredAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_NonGaapMeasureDescriptionTextBlock_terseLabel_en-US" xlink:label="lab_ecd_NonGaapMeasureDescriptionTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Non-GAAP Measure Description</link:label>
    <link:label id="lab_ecd_NonGaapMeasureDescriptionTextBlock_label_en-US" xlink:label="lab_ecd_NonGaapMeasureDescriptionTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Non-GAAP Measure Description [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_NonGaapMeasureDescriptionTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_NonGaapMeasureDescriptionTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_NonGaapMeasureDescriptionTextBlock" xlink:to="lab_ecd_NonGaapMeasureDescriptionTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LossContingencyAccrualRecoveriesChargeOffsNet_e79ca855-b59c-4443-a9b5-c6a2b02deb42_verboseLabel_en-US" xlink:label="lab_abr_LossContingencyAccrualRecoveriesChargeOffsNet" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Recoveries (charge-offs), net</link:label>
    <link:label id="lab_abr_LossContingencyAccrualRecoveriesChargeOffsNet_label_en-US" xlink:label="lab_abr_LossContingencyAccrualRecoveriesChargeOffsNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Contingency Accrual, Recoveries (Charge-offs), Net</link:label>
    <link:label id="lab_abr_LossContingencyAccrualRecoveriesChargeOffsNet_documentation_en-US" xlink:label="lab_abr_LossContingencyAccrualRecoveriesChargeOffsNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of recoveries (charge-offs) when settle a loss under the DUS Loss sharing model, net of any previously advanced principal and interest payments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LossContingencyAccrualRecoveriesChargeOffsNet" xlink:href="abr-20240930.xsd#abr_LossContingencyAccrualRecoveriesChargeOffsNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LossContingencyAccrualRecoveriesChargeOffsNet" xlink:to="lab_abr_LossContingencyAccrualRecoveriesChargeOffsNet" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_AdditionalRestrictedLiquidityReserve_add0e77d-7695-42f3-adaf-827cd62c325f_terseLabel_en-US" xlink:label="lab_abr_AdditionalRestrictedLiquidityReserve" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reserve required to fund additional restricted liquidity over the next 48 months</link:label>
    <link:label id="lab_abr_AdditionalRestrictedLiquidityReserve_label_en-US" xlink:label="lab_abr_AdditionalRestrictedLiquidityReserve" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Restricted Liquidity Reserve</link:label>
    <link:label id="lab_abr_AdditionalRestrictedLiquidityReserve_documentation_en-US" xlink:label="lab_abr_AdditionalRestrictedLiquidityReserve" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The additional reserve required to fund the restricted liquidity requirement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_AdditionalRestrictedLiquidityReserve" xlink:href="abr-20240930.xsd#abr_AdditionalRestrictedLiquidityReserve"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_AdditionalRestrictedLiquidityReserve" xlink:to="lab_abr_AdditionalRestrictedLiquidityReserve" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MortgageNotePayableRealEstateOwnedPrincipalAmount_5ccd7d00-533c-47ed-99d5-e08971fa84b9_terseLabel_en-US" xlink:label="lab_abr_MortgageNotePayableRealEstateOwnedPrincipalAmount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage notes payable - real estate owned</link:label>
    <link:label id="lab_abr_MortgageNotePayableRealEstateOwnedPrincipalAmount_label_en-US" xlink:label="lab_abr_MortgageNotePayableRealEstateOwnedPrincipalAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Note Payable, Real Estate Owned, Principal Amount</link:label>
    <link:label id="lab_abr_MortgageNotePayableRealEstateOwnedPrincipalAmount_documentation_en-US" xlink:label="lab_abr_MortgageNotePayableRealEstateOwnedPrincipalAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Mortgage Note Payable, Real Estate Owned, Principal Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MortgageNotePayableRealEstateOwnedPrincipalAmount" xlink:href="abr-20240930.xsd#abr_MortgageNotePayableRealEstateOwnedPrincipalAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MortgageNotePayableRealEstateOwnedPrincipalAmount" xlink:to="lab_abr_MortgageNotePayableRealEstateOwnedPrincipalAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_OtherLiabilitiesConsolidatingFinancialInformation_06020a47-bf28-49f9-9279-e45dd3223b21_terseLabel_en-US" xlink:label="lab_abr_OtherLiabilitiesConsolidatingFinancialInformation" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other liabilities and due to related parties</link:label>
    <link:label id="lab_abr_OtherLiabilitiesConsolidatingFinancialInformation_label_en-US" xlink:label="lab_abr_OtherLiabilitiesConsolidatingFinancialInformation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Other Liabilities, Consolidating Financial Information</link:label>
    <link:label id="lab_abr_OtherLiabilitiesConsolidatingFinancialInformation_documentation_en-US" xlink:label="lab_abr_OtherLiabilitiesConsolidatingFinancialInformation" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of liabilities classified as other in the consolidating financial information. The amount in the consolidating financial information includes specific liability line items in the balance sheet to present a condensed financial information.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_OtherLiabilitiesConsolidatingFinancialInformation" xlink:href="abr-20240930.xsd#abr_OtherLiabilitiesConsolidatingFinancialInformation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_OtherLiabilitiesConsolidatingFinancialInformation" xlink:to="lab_abr_OtherLiabilitiesConsolidatingFinancialInformation" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableFixedInterestRate_caad9418-ca0e-4a01-85d7-d3a7f2d30f70_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableFixedInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing receivable, fixed interest rate</link:label>
    <link:label id="lab_abr_FinancingReceivableFixedInterestRate_label_en-US" xlink:label="lab_abr_FinancingReceivableFixedInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Fixed Interest Rate</link:label>
    <link:label id="lab_abr_FinancingReceivableFixedInterestRate_documentation_en-US" xlink:label="lab_abr_FinancingReceivableFixedInterestRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Fixed Interest Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableFixedInterestRate" xlink:href="abr-20240930.xsd#abr_FinancingReceivableFixedInterestRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableFixedInterestRate" xlink:to="lab_abr_FinancingReceivableFixedInterestRate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EquityComponentDomain_081d91db-5a9f-48cf-be36-528beca9b22f_terseLabel_en-US" xlink:label="lab_us-gaap_EquityComponentDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Component [Domain]</link:label>
    <link:label id="lab_us-gaap_EquityComponentDomain_label_en-US" xlink:label="lab_us-gaap_EquityComponentDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Component [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityComponentDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityComponentDomain" xlink:to="lab_us-gaap_EquityComponentDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_8adb53dd-288b-4420-9f18-01c394f4516a_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred stock, par value (in dollars per share)</link:label>
    <link:label id="lab_us-gaap_PreferredStockParOrStatedValuePerShare_label_en-US" xlink:label="lab_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Par or Stated Value Per Share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockParOrStatedValuePerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:to="lab_us-gaap_PreferredStockParOrStatedValuePerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_AdditionalRestrictedLiquidityReserveFundingPeriod_24402c6d-1a0b-45e6-8d68-450f8233c768_terseLabel_en-US" xlink:label="lab_abr_AdditionalRestrictedLiquidityReserveFundingPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Period of additional funding for collateral requirement</link:label>
    <link:label id="lab_abr_AdditionalRestrictedLiquidityReserveFundingPeriod_label_en-US" xlink:label="lab_abr_AdditionalRestrictedLiquidityReserveFundingPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional Restricted Liquidity Reserve, Funding Period</link:label>
    <link:label id="lab_abr_AdditionalRestrictedLiquidityReserveFundingPeriod_documentation_en-US" xlink:label="lab_abr_AdditionalRestrictedLiquidityReserveFundingPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Funding period for the additional reserve required to fund the restricted liquidity requirement.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_AdditionalRestrictedLiquidityReserveFundingPeriod" xlink:href="abr-20240930.xsd#abr_AdditionalRestrictedLiquidityReserveFundingPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_AdditionalRestrictedLiquidityReserveFundingPeriod" xlink:to="lab_abr_AdditionalRestrictedLiquidityReserveFundingPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_BridgeLoanMember_b24ff5b6-7982-4aa8-892f-ca4d47eeb688_terseLabel_en-US" xlink:label="lab_us-gaap_BridgeLoanMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bridge loans</link:label>
    <link:label id="lab_us-gaap_BridgeLoanMember_e578c327-8762-42d7-a18f-4b8fdf528f2f_verboseLabel_en-US" xlink:label="lab_us-gaap_BridgeLoanMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Bridge loan</link:label>
    <link:label id="lab_us-gaap_BridgeLoanMember_label_en-US" xlink:label="lab_us-gaap_BridgeLoanMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bridge Loan [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BridgeLoanMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BridgeLoanMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BridgeLoanMember" xlink:to="lab_us-gaap_BridgeLoanMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_a13fd98c-1e48-478b-a9c7-cf3b4ebbbae7_terseLabel_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation of cash, cash equivalents and restricted cash:</link:label>
    <link:label id="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract_label_en-US" xlink:label="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract" xlink:to="lab_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_AtMarketMember_126464dd-67ab-4927-9c38-10128b83fdc8_terseLabel_en-US" xlink:label="lab_abr_AtMarketMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">At-The-Market</link:label>
    <link:label id="lab_abr_AtMarketMember_label_en-US" xlink:label="lab_abr_AtMarketMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">At-The-Market [Member]</link:label>
    <link:label id="lab_abr_AtMarketMember_documentation_en-US" xlink:label="lab_abr_AtMarketMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">"At-The-Market" equity offering sales of stock under an agreement. Sales of the shares are made by means of ordinary brokers' transactions or otherwise at market prices prevailing at the time of sale, or at negotiated prices.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_AtMarketMember" xlink:href="abr-20240930.xsd#abr_AtMarketMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_AtMarketMember" xlink:to="lab_abr_AtMarketMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SpecialVotingPreferredStockMember_317551c0-bd26-479f-979e-58c69110e9aa_terseLabel_en-US" xlink:label="lab_abr_SpecialVotingPreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Special voting preferred shares</link:label>
    <link:label id="lab_abr_SpecialVotingPreferredStockMember_label_en-US" xlink:label="lab_abr_SpecialVotingPreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Special Voting Preferred Stock [Member]</link:label>
    <link:label id="lab_abr_SpecialVotingPreferredStockMember_documentation_en-US" xlink:label="lab_abr_SpecialVotingPreferredStockMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member represents information pertaining to the special voting preferred stock.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SpecialVotingPreferredStockMember" xlink:href="abr-20240930.xsd#abr_SpecialVotingPreferredStockMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SpecialVotingPreferredStockMember" xlink:to="lab_abr_SpecialVotingPreferredStockMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_d2f26b9d-a2d8-4a69-8af5-68d38d72e692_verboseLabel_en-US" xlink:label="lab_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Adjustments to reconcile net income to net cash provided by operating activities:</link:label>
    <link:label id="lab_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_label_en-US" xlink:label="lab_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:to="lab_us-gaap_AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_Additional402vDisclosureTextBlock_terseLabel_en-US" xlink:label="lab_ecd_Additional402vDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional 402(v) Disclosure</link:label>
    <link:label id="lab_ecd_Additional402vDisclosureTextBlock_label_en-US" xlink:label="lab_ecd_Additional402vDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Additional 402(v) Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_Additional402vDisclosureTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_Additional402vDisclosureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_Additional402vDisclosureTextBlock" xlink:to="lab_ecd_Additional402vDisclosureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest_d04a747d-cd6a-487f-9210-327755fa27c5_terseLabel_en-US" xlink:label="lab_us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">General partnership, ownership interest</link:label>
    <link:label id="lab_us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest_label_en-US" xlink:label="lab_us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest" xlink:to="lab_us-gaap_LimitedLiabilityCompanyLLCOrLimitedPartnershipLPManagingMemberOrGeneralPartnerOwnershipInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityShellCompany_e581712f-50c7-4838-9344-8b1f8a6c5f0a_terseLabel_en-US" xlink:label="lab_dei_EntityShellCompany" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Shell Company</link:label>
    <link:label id="lab_dei_EntityShellCompany_label_en-US" xlink:label="lab_dei_EntityShellCompany" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Shell Company</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityShellCompany"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityShellCompany" xlink:to="lab_dei_EntityShellCompany" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityIncorporationStateCountryCode_9cff0b12-2b57-492c-85fc-adf4e1c3d8b3_terseLabel_en-US" xlink:label="lab_dei_EntityIncorporationStateCountryCode" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Incorporation, State or Country Code</link:label>
    <link:label id="lab_dei_EntityIncorporationStateCountryCode_label_en-US" xlink:label="lab_dei_EntityIncorporationStateCountryCode" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Incorporation, State or Country Code</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityIncorporationStateCountryCode" xlink:to="lab_dei_EntityIncorporationStateCountryCode" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MaturesInApril2023Member_981dca44-a3a0-49e4-aa1a-9d383f53ccc3_terseLabel_en-US" xlink:label="lab_abr_MaturesInApril2023Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Matures in April 2023</link:label>
    <link:label id="lab_abr_MaturesInApril2023Member_label_en-US" xlink:label="lab_abr_MaturesInApril2023Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Matures in April 2023</link:label>
    <link:label id="lab_abr_MaturesInApril2023Member_documentation_en-US" xlink:label="lab_abr_MaturesInApril2023Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents loans receivable with the maturity date as April 2023.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MaturesInApril2023Member" xlink:href="abr-20240930.xsd#abr_MaturesInApril2023Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MaturesInApril2023Member" xlink:to="lab_abr_MaturesInApril2023Member" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RelatedPartyTransactionPercentageOfOwnership_5c41eb48-ef8c-42d1-9e22-9dc11e2e32f4_terseLabel_en-US" xlink:label="lab_abr_RelatedPartyTransactionPercentageOfOwnership" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate percentage of voting power held by related party</link:label>
    <link:label id="lab_abr_RelatedPartyTransactionPercentageOfOwnership_label_en-US" xlink:label="lab_abr_RelatedPartyTransactionPercentageOfOwnership" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Related Party Transaction, Percentage of Ownership</link:label>
    <link:label id="lab_abr_RelatedPartyTransactionPercentageOfOwnership_documentation_en-US" xlink:label="lab_abr_RelatedPartyTransactionPercentageOfOwnership" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the percentage of voting power held by a related party.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RelatedPartyTransactionPercentageOfOwnership" xlink:href="abr-20240930.xsd#abr_RelatedPartyTransactionPercentageOfOwnership"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RelatedPartyTransactionPercentageOfOwnership" xlink:to="lab_abr_RelatedPartyTransactionPercentageOfOwnership" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RealEstateOwnedWeightedAverageOccupancyRate_407bcc5b-abf0-416e-9c5d-e30c429272df_terseLabel_en-US" xlink:label="lab_abr_RealEstateOwnedWeightedAverageOccupancyRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average occupancy rate</link:label>
    <link:label id="lab_abr_RealEstateOwnedWeightedAverageOccupancyRate_label_en-US" xlink:label="lab_abr_RealEstateOwnedWeightedAverageOccupancyRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate, Owned, Weighted Average Occupancy Rate</link:label>
    <link:label id="lab_abr_RealEstateOwnedWeightedAverageOccupancyRate_documentation_en-US" xlink:label="lab_abr_RealEstateOwnedWeightedAverageOccupancyRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Real Estate, Owned, Weighted Average Occupancy Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RealEstateOwnedWeightedAverageOccupancyRate" xlink:href="abr-20240930.xsd#abr_RealEstateOwnedWeightedAverageOccupancyRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_RealEstateOwnedWeightedAverageOccupancyRate" xlink:to="lab_abr_RealEstateOwnedWeightedAverageOccupancyRate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InvestmentsInAndAdvancesToAffiliatesTextBlock_cf36cf45-4477-4fd2-8735-764b51949dcb_terseLabel_en-US" xlink:label="lab_us-gaap_InvestmentsInAndAdvancesToAffiliatesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of Equity Method Investments</link:label>
    <link:label id="lab_us-gaap_InvestmentsInAndAdvancesToAffiliatesTextBlock_label_en-US" xlink:label="lab_us-gaap_InvestmentsInAndAdvancesToAffiliatesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investments in and Advances to Affiliates [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InvestmentsInAndAdvancesToAffiliatesTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InvestmentsInAndAdvancesToAffiliatesTextBlock" xlink:to="lab_us-gaap_InvestmentsInAndAdvancesToAffiliatesTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StatementTable_e09d56d8-8373-445e-88fb-424857d38d63_terseLabel_en-US" xlink:label="lab_us-gaap_StatementTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement [Table]</link:label>
    <link:label id="lab_us-gaap_StatementTable_label_en-US" xlink:label="lab_us-gaap_StatementTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementTable" xlink:to="lab_us-gaap_StatementTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InterestExpenseDebt_2d40aca1-d907-4ec8-9cda-ffe88703bc33_terseLabel_en-US" xlink:label="lab_us-gaap_InterestExpenseDebt" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest expense</link:label>
    <link:label id="lab_us-gaap_InterestExpenseDebt_label_en-US" xlink:label="lab_us-gaap_InterestExpenseDebt" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Expense, Debt</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseDebt" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestExpenseDebt"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestExpenseDebt" xlink:to="lab_us-gaap_InterestExpenseDebt" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueMeasurementFrequencyDomain_8236d090-5f66-4cdd-b8f8-25203d92d1ee_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementFrequencyDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Measurement Frequency [Domain]</link:label>
    <link:label id="lab_us-gaap_FairValueMeasurementFrequencyDomain_label_en-US" xlink:label="lab_us-gaap_FairValueMeasurementFrequencyDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Measurement Frequency [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain" xlink:to="lab_us-gaap_FairValueMeasurementFrequencyDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_CounterpartyNameAxis_5e906eae-4b0b-4c8c-b63d-f01da25aaddd_terseLabel_en-US" xlink:label="lab_srt_CounterpartyNameAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Counterparty Name [Axis]</link:label>
    <link:label id="lab_srt_CounterpartyNameAxis_label_en-US" xlink:label="lab_srt_CounterpartyNameAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Counterparty Name [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_CounterpartyNameAxis" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_CounterpartyNameAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_CounterpartyNameAxis" xlink:to="lab_srt_CounterpartyNameAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_GainsLossesOnSalesOfOtherRealEstate_f18bc7e1-281f-42cd-8925-d4aed336e050_terseLabel_en-US" xlink:label="lab_us-gaap_GainsLossesOnSalesOfOtherRealEstate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Gain on sale of REO asset</link:label>
    <link:label id="lab_us-gaap_GainsLossesOnSalesOfOtherRealEstate_label_en-US" xlink:label="lab_us-gaap_GainsLossesOnSalesOfOtherRealEstate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Gains (Losses) on Sales of Other Real Estate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainsLossesOnSalesOfOtherRealEstate" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_GainsLossesOnSalesOfOtherRealEstate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_GainsLossesOnSalesOfOtherRealEstate" xlink:to="lab_us-gaap_GainsLossesOnSalesOfOtherRealEstate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RealEstateInvestmentsJointVentures_ead6d41d-1584-4a1e-a157-6dcbdcbfdac0_terseLabel_en-US" xlink:label="lab_us-gaap_RealEstateInvestmentsJointVentures" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real estate investments funded</link:label>
    <link:label id="lab_us-gaap_RealEstateInvestmentsJointVentures_label_en-US" xlink:label="lab_us-gaap_RealEstateInvestmentsJointVentures" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Investments, Joint Ventures</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateInvestmentsJointVentures" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RealEstateInvestmentsJointVentures"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateInvestmentsJointVentures" xlink:to="lab_us-gaap_RealEstateInvestmentsJointVentures" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock_cf807ffa-a047-45ad-9ba2-7c0f08032ed1_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Variable Interest Entities</link:label>
    <link:label id="lab_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Variable Interest Entities [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock" xlink:to="lab_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ConsolidationItemsDomain_c0e3b284-6f09-4490-b8be-cc78b2dfe51c_terseLabel_en-US" xlink:label="lab_srt_ConsolidationItemsDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consolidation Items [Domain]</link:label>
    <link:label id="lab_srt_ConsolidationItemsDomain_label_en-US" xlink:label="lab_srt_ConsolidationItemsDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidation Items [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ConsolidationItemsDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ConsolidationItemsDomain" xlink:to="lab_srt_ConsolidationItemsDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LoanSpecificCreditFacilities143MillionMember_a9c10d8e-9bc9-4d05-877c-85203084b8eb_terseLabel_en-US" xlink:label="lab_abr_LoanSpecificCreditFacilities143MillionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$143M loan specific credit facilities</link:label>
    <link:label id="lab_abr_LoanSpecificCreditFacilities143MillionMember_label_en-US" xlink:label="lab_abr_LoanSpecificCreditFacilities143MillionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loan Specific Credit Facilities 143 Million [Member]</link:label>
    <link:label id="lab_abr_LoanSpecificCreditFacilities143MillionMember_documentation_en-US" xlink:label="lab_abr_LoanSpecificCreditFacilities143MillionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Loan Specific Credit Facilities 143 Million</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LoanSpecificCreditFacilities143MillionMember" xlink:href="abr-20240930.xsd#abr_LoanSpecificCreditFacilities143MillionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LoanSpecificCreditFacilities143MillionMember" xlink:to="lab_abr_LoanSpecificCreditFacilities143MillionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff_cee58c1c-c1f4-469d-b84d-e940b82cf948_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Charge-offs, Year One</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Excluding Accrued Interest, Year One, Originated, Current Fiscal Year, Writeoff</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff" xlink:to="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_PercentageOfOwnershipOfRelatedPartyInOtherRelatedParty_6368f3d4-9cec-4a88-a768-f31c3b4d7b88_terseLabel_en-US" xlink:label="lab_abr_PercentageOfOwnershipOfRelatedPartyInOtherRelatedParty" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of our former manager's outstanding membership interest of related party in another related party</link:label>
    <link:label id="lab_abr_PercentageOfOwnershipOfRelatedPartyInOtherRelatedParty_label_en-US" xlink:label="lab_abr_PercentageOfOwnershipOfRelatedPartyInOtherRelatedParty" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of Ownership of Related Party in Other Related Party</link:label>
    <link:label id="lab_abr_PercentageOfOwnershipOfRelatedPartyInOtherRelatedParty_documentation_en-US" xlink:label="lab_abr_PercentageOfOwnershipOfRelatedPartyInOtherRelatedParty" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the percentage of outstanding membership interest of a related party in another related party.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_PercentageOfOwnershipOfRelatedPartyInOtherRelatedParty" xlink:href="abr-20240930.xsd#abr_PercentageOfOwnershipOfRelatedPartyInOtherRelatedParty"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_PercentageOfOwnershipOfRelatedPartyInOtherRelatedParty" xlink:to="lab_abr_PercentageOfOwnershipOfRelatedPartyInOtherRelatedParty" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_AllowanceForLossSharingObligations_e7f83227-fdf9-4558-af10-a7448beccfc1_terseLabel_en-US" xlink:label="lab_abr_AllowanceForLossSharingObligations" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Allowance for loss-sharing obligations</link:label>
    <link:label id="lab_abr_AllowanceForLossSharingObligations_label_en-US" xlink:label="lab_abr_AllowanceForLossSharingObligations" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Allowance for Loss Sharing Obligations</link:label>
    <link:label id="lab_abr_AllowanceForLossSharingObligations_documentation_en-US" xlink:label="lab_abr_AllowanceForLossSharingObligations" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Carrying amount of allowance for loss sharing obligations as at the balance sheet date.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_AllowanceForLossSharingObligations" xlink:href="abr-20240930.xsd#abr_AllowanceForLossSharingObligations"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_AllowanceForLossSharingObligations" xlink:to="lab_abr_AllowanceForLossSharingObligations" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements_5f50454a-c18c-4dcf-922c-c36b26bad911_negatedLabel_en-US" xlink:label="lab_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Settlements</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements"/>
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    <link:label id="lab_us-gaap_DerivativeAssetAfterOffsetSubjectToMasterNettingArrangement_aabff773-6cc2-454d-95e2-91dbfad0e304_terseLabel_en-US" xlink:label="lab_us-gaap_DerivativeAssetAfterOffsetSubjectToMasterNettingArrangement" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Derivative asset, treasury futures</link:label>
    <link:label id="lab_us-gaap_DerivativeAssetAfterOffsetSubjectToMasterNettingArrangement_label_en-US" xlink:label="lab_us-gaap_DerivativeAssetAfterOffsetSubjectToMasterNettingArrangement" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Derivative Asset, Subject to Master Netting Arrangement, after Offset</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssetAfterOffsetSubjectToMasterNettingArrangement" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DerivativeAssetAfterOffsetSubjectToMasterNettingArrangement"/>
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    <link:label id="lab_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_1b285314-6d2c-4332-ad5c-37d1e6240104_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and Investments</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Past Due [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems"/>
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    <link:label id="lab_us-gaap_InterestPaidNet_132426f3-ef4e-4a34-af83-7ce3c3b4721c_terseLabel_en-US" xlink:label="lab_us-gaap_InterestPaidNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash used to pay interest</link:label>
    <link:label id="lab_us-gaap_InterestPaidNet_label_en-US" xlink:label="lab_us-gaap_InterestPaidNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Paid, Excluding Capitalized Interest, Operating Activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestPaidNet" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestPaidNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestPaidNet" xlink:to="lab_us-gaap_InterestPaidNet" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_DebtInstrumentAmountDueAtMaturity_b82bd8f5-6031-46e7-bf3d-7e5cfa05728a_terseLabel_en-US" xlink:label="lab_abr_DebtInstrumentAmountDueAtMaturity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred amount due at maturity</link:label>
    <link:label id="lab_abr_DebtInstrumentAmountDueAtMaturity_label_en-US" xlink:label="lab_abr_DebtInstrumentAmountDueAtMaturity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Amount Due at Maturity</link:label>
    <link:label id="lab_abr_DebtInstrumentAmountDueAtMaturity_documentation_en-US" xlink:label="lab_abr_DebtInstrumentAmountDueAtMaturity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of the principal payments due at maturity, which is being amortized into expense over the life of the debt.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_DebtInstrumentAmountDueAtMaturity" xlink:href="abr-20240930.xsd#abr_DebtInstrumentAmountDueAtMaturity"/>
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    <link:label id="lab_abr_InvestmentWeightedAverageInterestRate_0f592815-4a8c-40bc-aa7e-3d6c1055dc36_terseLabel_en-US" xlink:label="lab_abr_InvestmentWeightedAverageInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Weighted average variable interest rate (as a percent)</link:label>
    <link:label id="lab_abr_InvestmentWeightedAverageInterestRate_label_en-US" xlink:label="lab_abr_InvestmentWeightedAverageInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment Weighted Average Interest Rate</link:label>
    <link:label id="lab_abr_InvestmentWeightedAverageInterestRate_documentation_en-US" xlink:label="lab_abr_InvestmentWeightedAverageInterestRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The weighted average interest rate for investments that have an interest rate.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_InvestmentWeightedAverageInterestRate" xlink:href="abr-20240930.xsd#abr_InvestmentWeightedAverageInterestRate"/>
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    <link:label id="lab_us-gaap_FairValueInputsLevel1Member_af8667c7-3c04-4de6-ad6e-e889a43a9009_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel1Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Level 1</link:label>
    <link:label id="lab_us-gaap_FairValueInputsLevel1Member_label_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel1Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 1 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueInputsLevel1Member" xlink:to="lab_us-gaap_FairValueInputsLevel1Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ConcentrationRiskByBenchmarkAxis_0ec64cfe-25de-4473-b29e-a67dc7ee88da_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Concentration Risk Benchmark [Axis]</link:label>
    <link:label id="lab_us-gaap_ConcentrationRiskByBenchmarkAxis_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk Benchmark [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:to="lab_us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear_cfbd669e-c904-4760-80c4-9ed8c5d624cd_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Origination Year Two</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Excluding Accrued Interest, Year Two, Originated, Fiscal Year before Current Fiscal Year</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear"/>
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    <link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_ef0a9466-378a-44bf-b599-33834934e5ab_terseLabel_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Statement of Cash Flows [Abstract]</link:label>
    <link:label id="lab_us-gaap_StatementOfCashFlowsAbstract_label_en-US" xlink:label="lab_us-gaap_StatementOfCashFlowsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Cash Flows [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StatementOfCashFlowsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract" xlink:to="lab_us-gaap_StatementOfCashFlowsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SeniorNotesMember_f43aa682-d765-44d6-9e62-f146f42a7755_terseLabel_en-US" xlink:label="lab_us-gaap_SeniorNotesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Senior unsecured notes</link:label>
    <link:label id="lab_us-gaap_SeniorNotesMember_label_en-US" xlink:label="lab_us-gaap_SeniorNotesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Senior Notes [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SeniorNotesMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SeniorNotesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SeniorNotesMember" xlink:to="lab_us-gaap_SeniorNotesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_RealEstateOwnedNet_2b774099-909b-43ff-9c50-6aa56b10c072_terseLabel_en-US" xlink:label="lab_abr_RealEstateOwnedNet" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real estate owned, net</link:label>
    <link:label id="lab_abr_RealEstateOwnedNet_f7db520c-0de3-465c-8cf1-55d607e811e0_totalLabel_en-US" xlink:label="lab_abr_RealEstateOwnedNet" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Real estate owned, net</link:label>
    <link:label id="lab_abr_RealEstateOwnedNet_label_en-US" xlink:label="lab_abr_RealEstateOwnedNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate Owned, Net</link:label>
    <link:label id="lab_abr_RealEstateOwnedNet_documentation_en-US" xlink:label="lab_abr_RealEstateOwnedNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Real Estate Owned, Net</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_RealEstateOwnedNet" xlink:href="abr-20240930.xsd#abr_RealEstateOwnedNet"/>
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    <link:label id="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree_0182064a-97b4-4ac4-b0a9-331b1f87db19_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2027</link:label>
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    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree"/>
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    <link:label id="lab_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_5c027c87-a0a9-4b6a-8445-af0dbf010244_terseLabel_en-US" xlink:label="lab_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial assets:</link:label>
    <link:label id="lab_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract_label_en-US" xlink:label="lab_us-gaap_FinancialInstrumentsFinancialAssetsBalanceSheetGroupingsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Instruments, Financial Assets, Balance Sheet Groupings [Abstract]</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentTable_9c56037b-eb12-4280-850b-2e925758e587_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Long-Term Debt Instruments [Table]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentTable_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Long-Term Debt Instruments [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentTable" xlink:to="lab_us-gaap_DebtInstrumentTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_64e66733-36fa-4bbd-9d6a-b1e93c27d385_verboseLabel_en-US" xlink:label="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Value of shares repurchased</link:label>
    <link:label id="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue_label_en-US" xlink:label="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Repurchased and Retired During Period, Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockRepurchasedAndRetiredDuringPeriodValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue" xlink:to="lab_us-gaap_StockRepurchasedAndRetiredDuringPeriodValue" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NumberOfLoansUnpaidPrincipalBalanceDomain_ee2dff10-0515-4a7c-843a-64e3a1840a27_terseLabel_en-US" xlink:label="lab_abr_NumberOfLoansUnpaidPrincipalBalanceDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of Loans, Unpaid Principal Balance [Domain]</link:label>
    <link:label id="lab_abr_NumberOfLoansUnpaidPrincipalBalanceDomain_label_en-US" xlink:label="lab_abr_NumberOfLoansUnpaidPrincipalBalanceDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Loans, Unpaid Principal Balance [Domain]</link:label>
    <link:label id="lab_abr_NumberOfLoansUnpaidPrincipalBalanceDomain_documentation_en-US" xlink:label="lab_abr_NumberOfLoansUnpaidPrincipalBalanceDomain" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to number of loans with an unpaid principal balance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NumberOfLoansUnpaidPrincipalBalanceDomain" xlink:href="abr-20240930.xsd#abr_NumberOfLoansUnpaidPrincipalBalanceDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NumberOfLoansUnpaidPrincipalBalanceDomain" xlink:to="lab_abr_NumberOfLoansUnpaidPrincipalBalanceDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_a7d5644c-497a-4b1b-b857-186ae7e0772c_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Taxes</link:label>
    <link:label id="lab_us-gaap_IncomeTaxDisclosureTextBlock_label_en-US" xlink:label="lab_us-gaap_IncomeTaxDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Income Tax Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeTaxDisclosureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeTaxDisclosureTextBlock" xlink:to="lab_us-gaap_IncomeTaxDisclosureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_f6eab86e-c586-40fe-a4d2-085f36fb64bd_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2028</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, to be Paid, Year Four</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearFour" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LienCategoryAxis_7a6473a8-e63f-4a25-87c7-27ea79062174_terseLabel_en-US" xlink:label="lab_us-gaap_LienCategoryAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Lien Category [Axis]</link:label>
    <link:label id="lab_us-gaap_LienCategoryAxis_label_en-US" xlink:label="lab_us-gaap_LienCategoryAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lien Category [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LienCategoryAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LienCategoryAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LienCategoryAxis" xlink:to="lab_us-gaap_LienCategoryAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CollateralizedLoanObligationsFourteenSixteenAndNineteenMember_2e94a448-cfd8-4343-babf-6c4458d8c252_terseLabel_en-US" xlink:label="lab_abr_CollateralizedLoanObligationsFourteenSixteenAndNineteenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CLO 14, 16 and 19</link:label>
    <link:label id="lab_abr_CollateralizedLoanObligationsFourteenSixteenAndNineteenMember_label_en-US" xlink:label="lab_abr_CollateralizedLoanObligationsFourteenSixteenAndNineteenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collateralized Loan Obligations Fourteen, Sixteen, And Nineteen [Member]</link:label>
    <link:label id="lab_abr_CollateralizedLoanObligationsFourteenSixteenAndNineteenMember_documentation_en-US" xlink:label="lab_abr_CollateralizedLoanObligationsFourteenSixteenAndNineteenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Collateralized Loan Obligations Fourteen, Sixteen, And Nineteen</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CollateralizedLoanObligationsFourteenSixteenAndNineteenMember" xlink:href="abr-20240930.xsd#abr_CollateralizedLoanObligationsFourteenSixteenAndNineteenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CollateralizedLoanObligationsFourteenSixteenAndNineteenMember" xlink:to="lab_abr_CollateralizedLoanObligationsFourteenSixteenAndNineteenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_806f2b14-8bc8-4fb6-8de0-2603b9edd5a8_terseLabel_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Organization, Consolidation and Presentation of Financial Statements [Abstract]</link:label>
    <link:label id="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_label_en-US" xlink:label="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Organization, Consolidation and Presentation of Financial Statements [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="lab_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare_00d0c0ac-4c34-431d-9ef5-24552151bc25_terseLabel_en-US" xlink:label="lab_us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Average cost per share (in dollars per share)</link:label>
    <link:label id="lab_us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare_label_en-US" xlink:label="lab_us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accelerated Share Repurchases, Final Price Paid Per Share</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare" xlink:to="lab_us-gaap_AcceleratedShareRepurchasesFinalPricePaidPerShare" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CurrentOvercollateralizationRatioCovenantCompliance_87b73c09-e503-4ece-8b0a-ca3b15d68723_terseLabel_en-US" xlink:label="lab_abr_CurrentOvercollateralizationRatioCovenantCompliance" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Current</link:label>
    <link:label id="lab_abr_CurrentOvercollateralizationRatioCovenantCompliance_label_en-US" xlink:label="lab_abr_CurrentOvercollateralizationRatioCovenantCompliance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Current Overcollateralization Ratio, Covenant Compliance</link:label>
    <link:label id="lab_abr_CurrentOvercollateralizationRatioCovenantCompliance_documentation_en-US" xlink:label="lab_abr_CurrentOvercollateralizationRatioCovenantCompliance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the overcollateralization ratio maintained during the period under covenant compliance. Overcollateralization ratio is calculated by dividing the total principal balance of all collateral in the CDO by the total principal balance of the bonds associated with the applicable ratio.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CurrentOvercollateralizationRatioCovenantCompliance" xlink:href="abr-20240930.xsd#abr_CurrentOvercollateralizationRatioCovenantCompliance"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CurrentOvercollateralizationRatioCovenantCompliance" xlink:to="lab_abr_CurrentOvercollateralizationRatioCovenantCompliance" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_1d55bd08-362c-41b6-bc9a-699862287e72_totalLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Net cash used in financing activities</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NumberOfMultifamilyPropertiesRenovated_6c9c212a-91fc-4d91-a8c2-bc3ed091e423_terseLabel_en-US" xlink:label="lab_abr_NumberOfMultifamilyPropertiesRenovated" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of multifamily properties renovated</link:label>
    <link:label id="lab_abr_NumberOfMultifamilyPropertiesRenovated_label_en-US" xlink:label="lab_abr_NumberOfMultifamilyPropertiesRenovated" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Multifamily Properties Renovated</link:label>
    <link:label id="lab_abr_NumberOfMultifamilyPropertiesRenovated_documentation_en-US" xlink:label="lab_abr_NumberOfMultifamilyPropertiesRenovated" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The number of multifamily properties renovated.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NumberOfMultifamilyPropertiesRenovated" xlink:href="abr-20240930.xsd#abr_NumberOfMultifamilyPropertiesRenovated"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NumberOfMultifamilyPropertiesRenovated" xlink:to="lab_abr_NumberOfMultifamilyPropertiesRenovated" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MaturityDateApril2030Member_51364d21-4da5-4596-a89b-4003525372a6_terseLabel_en-US" xlink:label="lab_abr_MaturityDateApril2030Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity Date April 2030</link:label>
    <link:label id="lab_abr_MaturityDateApril2030Member_label_en-US" xlink:label="lab_abr_MaturityDateApril2030Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity Date April 2030 [Member]</link:label>
    <link:label id="lab_abr_MaturityDateApril2030Member_documentation_en-US" xlink:label="lab_abr_MaturityDateApril2030Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maturity Date April 2030</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MaturityDateApril2030Member" xlink:href="abr-20240930.xsd#abr_MaturityDateApril2030Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MaturityDateApril2030Member" xlink:to="lab_abr_MaturityDateApril2030Member" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MortgageLoansOnRealEstateRemainingMaturityPeriod_e8c655da-febc-4acd-83f6-b7e2816db178_terseLabel_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstateRemainingMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Wtd. Avg. Remaining Months to Maturity</link:label>
    <link:label id="lab_abr_MortgageLoansOnRealEstateRemainingMaturityPeriod_label_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstateRemainingMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Loans on Real Estate Remaining Maturity Period</link:label>
    <link:label id="lab_abr_MortgageLoansOnRealEstateRemainingMaturityPeriod_documentation_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstateRemainingMaturityPeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the weighted average remaining maturity period of mortgage loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MortgageLoansOnRealEstateRemainingMaturityPeriod" xlink:href="abr-20240930.xsd#abr_MortgageLoansOnRealEstateRemainingMaturityPeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MortgageLoansOnRealEstateRemainingMaturityPeriod" xlink:to="lab_abr_MortgageLoansOnRealEstateRemainingMaturityPeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LossContingenciesByNatureOfContingencyAxis_1c40b3af-64e3-4e31-9923-4e77374fbf17_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss Contingency Nature [Axis]</link:label>
    <link:label id="lab_us-gaap_LossContingenciesByNatureOfContingencyAxis_label_en-US" xlink:label="lab_us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Contingency Nature [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingenciesByNatureOfContingencyAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:to="lab_us-gaap_LossContingenciesByNatureOfContingencyAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityRegistrantName_e52992de-e183-4c90-b381-ee2d131ec9f1_terseLabel_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:label id="lab_dei_EntityRegistrantName_label_en-US" xlink:label="lab_dei_EntityRegistrantName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Registrant Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityRegistrantName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityRegistrantName" xlink:to="lab_dei_EntityRegistrantName" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AdjToNonPeoNeoCompFnTextBlock_terseLabel_en-US" xlink:label="lab_ecd_AdjToNonPeoNeoCompFnTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Adjustment to Non-PEO NEO Compensation Footnote</link:label>
    <link:label id="lab_ecd_AdjToNonPeoNeoCompFnTextBlock_label_en-US" xlink:label="lab_ecd_AdjToNonPeoNeoCompFnTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Adjustment to Non-PEO NEO Compensation Footnote [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AdjToNonPeoNeoCompFnTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AdjToNonPeoNeoCompFnTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_AdjToNonPeoNeoCompFnTextBlock" xlink:to="lab_ecd_AdjToNonPeoNeoCompFnTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_AgencyBusinessCommitmentsLineItems_686388d7-2b26-41c6-b5bf-c58647196a49_terseLabel_en-US" xlink:label="lab_abr_AgencyBusinessCommitmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Agency Business Commitments</link:label>
    <link:label id="lab_abr_AgencyBusinessCommitmentsLineItems_label_en-US" xlink:label="lab_abr_AgencyBusinessCommitmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Agency Business Commitments [Line Items]</link:label>
    <link:label id="lab_abr_AgencyBusinessCommitmentsLineItems_documentation_en-US" xlink:label="lab_abr_AgencyBusinessCommitmentsLineItems" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">n/a</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_AgencyBusinessCommitmentsLineItems" xlink:href="abr-20240930.xsd#abr_AgencyBusinessCommitmentsLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_AgencyBusinessCommitmentsLineItems" xlink:to="lab_abr_AgencyBusinessCommitmentsLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AwardGrantDateFairValue_terseLabel_en-US" xlink:label="lab_ecd_AwardGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value as of Grant Date</link:label>
    <link:label id="lab_ecd_AwardGrantDateFairValue_label_en-US" xlink:label="lab_ecd_AwardGrantDateFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Award Grant Date Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AwardGrantDateFairValue" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AwardGrantDateFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_AwardGrantDateFairValue" xlink:to="lab_ecd_AwardGrantDateFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_InterestReserve_daa4e54a-469e-4c26-a384-fd82011392ce_terseLabel_en-US" xlink:label="lab_abr_InterestReserve" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest reserve</link:label>
    <link:label id="lab_abr_InterestReserve_label_en-US" xlink:label="lab_abr_InterestReserve" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Reserve</link:label>
    <link:label id="lab_abr_InterestReserve_documentation_en-US" xlink:label="lab_abr_InterestReserve" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Carrying amount as of the balance sheet date pertaining to interest reserve funded to cover debt service costs, based on contractual requirements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_InterestReserve" xlink:href="abr-20240930.xsd#abr_InterestReserve"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_InterestReserve" xlink:to="lab_abr_InterestReserve" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueInputsLevel2Member_1fe9a8ff-735c-4c9e-87ff-78e8f976c2d2_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel2Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Level 2</link:label>
    <link:label id="lab_us-gaap_FairValueInputsLevel2Member_label_en-US" xlink:label="lab_us-gaap_FairValueInputsLevel2Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Inputs, Level 2 [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueInputsLevel2Member" xlink:to="lab_us-gaap_FairValueInputsLevel2Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_8557b699-fb38-4377-830c-abcec719541a_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated life remaining</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Remaining Amortization Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_c37b67bd-6072-4a3f-965b-df3755bb55e3_terseLabel_en-US" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity:</link:label>
    <link:label id="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_label_en-US" xlink:label="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="lab_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_SegmentGeographicalDomain_c3320f83-87fe-461b-9a7c-ec9daa30632e_terseLabel_en-US" xlink:label="lab_srt_SegmentGeographicalDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Geographical [Domain]</link:label>
    <link:label id="lab_srt_SegmentGeographicalDomain_label_en-US" xlink:label="lab_srt_SegmentGeographicalDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_SegmentGeographicalDomain" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_SegmentGeographicalDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_SegmentGeographicalDomain" xlink:to="lab_srt_SegmentGeographicalDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_AgencyBusinessSegmentMember_c92f7600-0ae5-4188-890b-d28bc5c1f1c9_terseLabel_en-US" xlink:label="lab_abr_AgencyBusinessSegmentMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Agency Business</link:label>
    <link:label id="lab_abr_AgencyBusinessSegmentMember_4b5e7823-a3b9-4e23-8710-2dd0bb2e9600_verboseLabel_en-US" xlink:label="lab_abr_AgencyBusinessSegmentMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Agency Business</link:label>
    <link:label id="lab_abr_AgencyBusinessSegmentMember_label_en-US" xlink:label="lab_abr_AgencyBusinessSegmentMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Agency Business Segment [Member]</link:label>
    <link:label id="lab_abr_AgencyBusinessSegmentMember_documentation_en-US" xlink:label="lab_abr_AgencyBusinessSegmentMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member represents the information pertaining to agency business segment.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_AgencyBusinessSegmentMember" xlink:href="abr-20240930.xsd#abr_AgencyBusinessSegmentMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_AgencyBusinessSegmentMember" xlink:to="lab_abr_AgencyBusinessSegmentMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_acbefe41-be70-4ed4-8370-3e9aec14ca2e_terseLabel_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Issuance - common stock</link:label>
    <link:label id="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues_label_en-US" xlink:label="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Stock Issued During Period, Value, New Issues</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_StockIssuedDuringPeriodValueNewIssues"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:to="lab_us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NetIncomeLossAvailableToCommonStockholdersBasic1_7704460a-9924-4d4e-a628-d7cc09714374_terseLabel_en-US" xlink:label="lab_abr_NetIncomeLossAvailableToCommonStockholdersBasic1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Net income attributable to common stockholders and noncontrolling interest</link:label>
    <link:label id="lab_abr_NetIncomeLossAvailableToCommonStockholdersBasic1_label_en-US" xlink:label="lab_abr_NetIncomeLossAvailableToCommonStockholdersBasic1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Income Loss Available To Common Stockholders, Basic 1</link:label>
    <link:label id="lab_abr_NetIncomeLossAvailableToCommonStockholdersBasic1_documentation_en-US" xlink:label="lab_abr_NetIncomeLossAvailableToCommonStockholdersBasic1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NetIncomeLossAvailableToCommonStockholdersBasic1" xlink:href="abr-20240930.xsd#abr_NetIncomeLossAvailableToCommonStockholdersBasic1"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NetIncomeLossAvailableToCommonStockholdersBasic1" xlink:to="lab_abr_NetIncomeLossAvailableToCommonStockholdersBasic1" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SixLoansCollateralizedByLandDevelopmentProjectMember_e66f0133-792f-4bd0-b2b8-ffcc9adf37c3_terseLabel_en-US" xlink:label="lab_abr_SixLoansCollateralizedByLandDevelopmentProjectMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Six loans collateralized by a land development project</link:label>
    <link:label id="lab_abr_SixLoansCollateralizedByLandDevelopmentProjectMember_label_en-US" xlink:label="lab_abr_SixLoansCollateralizedByLandDevelopmentProjectMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Six loans collateralized by a land development project</link:label>
    <link:label id="lab_abr_SixLoansCollateralizedByLandDevelopmentProjectMember_documentation_en-US" xlink:label="lab_abr_SixLoansCollateralizedByLandDevelopmentProjectMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents six loans collateralized by a land development project with an unpaid principal balance.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SixLoansCollateralizedByLandDevelopmentProjectMember" xlink:href="abr-20240930.xsd#abr_SixLoansCollateralizedByLandDevelopmentProjectMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SixLoansCollateralizedByLandDevelopmentProjectMember" xlink:to="lab_abr_SixLoansCollateralizedByLandDevelopmentProjectMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ConsolidationPolicyTextBlock_29338d55-f570-4856-a4c5-f75a4b7e9ffd_terseLabel_en-US" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Principles of Consolidation</link:label>
    <link:label id="lab_us-gaap_ConsolidationPolicyTextBlock_label_en-US" xlink:label="lab_us-gaap_ConsolidationPolicyTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consolidation, Policy [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConsolidationPolicyTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConsolidationPolicyTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConsolidationPolicyTextBlock" xlink:to="lab_us-gaap_ConsolidationPolicyTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CreditFacility100MillionMember_ec16a35c-cf27-48a7-bf02-586e8b5bca4b_terseLabel_en-US" xlink:label="lab_abr_CreditFacility100MillionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$100M credit facility</link:label>
    <link:label id="lab_abr_CreditFacility100MillionMember_label_en-US" xlink:label="lab_abr_CreditFacility100MillionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility 100 Million [Member]</link:label>
    <link:label id="lab_abr_CreditFacility100MillionMember_documentation_en-US" xlink:label="lab_abr_CreditFacility100MillionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Credit Facility 100 Million</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CreditFacility100MillionMember" xlink:href="abr-20240930.xsd#abr_CreditFacility100MillionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CreditFacility100MillionMember" xlink:to="lab_abr_CreditFacility100MillionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_RestatementDateAxis_terseLabel_en-US" xlink:label="lab_ecd_RestatementDateAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restatement Determination Date:</link:label>
    <link:label id="lab_ecd_RestatementDateAxis_label_en-US" xlink:label="lab_ecd_RestatementDateAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restatement Determination Date [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_RestatementDateAxis" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_RestatementDateAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_RestatementDateAxis" xlink:to="lab_ecd_RestatementDateAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_Security12bTitle_de8ac5f5-e3c2-496e-a89b-6efb84f54051_terseLabel_en-US" xlink:label="lab_dei_Security12bTitle" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Title of 12(b) Security</link:label>
    <link:label id="lab_dei_Security12bTitle_label_en-US" xlink:label="lab_dei_Security12bTitle" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Title of 12(b) Security</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_Security12bTitle"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_Security12bTitle" xlink:to="lab_dei_Security12bTitle" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ConcentrationRiskByTypeAxis_f774f230-87e2-43ea-be28-ee55272fef0e_terseLabel_en-US" xlink:label="lab_us-gaap_ConcentrationRiskByTypeAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Concentration Risk Type [Axis]</link:label>
    <link:label id="lab_us-gaap_ConcentrationRiskByTypeAxis_label_en-US" xlink:label="lab_us-gaap_ConcentrationRiskByTypeAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Concentration Risk Type [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConcentrationRiskByTypeAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ConcentrationRiskByTypeAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ConcentrationRiskByTypeAxis" xlink:to="lab_us-gaap_ConcentrationRiskByTypeAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_CommonStockValue_876019c0-89fa-4d5d-ab4f-e834e1fefb24_terseLabel_en-US" xlink:label="lab_us-gaap_CommonStockValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Common stock, $0.01 par value: 500,000,000 shares authorized - 188,608,777 and 188,505,264 shares issued and outstanding</link:label>
    <link:label id="lab_us-gaap_CommonStockValue_label_en-US" xlink:label="lab_us-gaap_CommonStockValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Common Stock, Value, Issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockValue" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_CommonStockValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_CommonStockValue" xlink:to="lab_us-gaap_CommonStockValue" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CreditFacility200millionMember_70e79c16-f1eb-4e0d-8e41-ce986f1da015_terseLabel_en-US" xlink:label="lab_abr_CreditFacility200millionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$200M credit facility</link:label>
    <link:label id="lab_abr_CreditFacility200millionMember_label_en-US" xlink:label="lab_abr_CreditFacility200millionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Credit Facility 200 Million [Member]</link:label>
    <link:label id="lab_abr_CreditFacility200millionMember_documentation_en-US" xlink:label="lab_abr_CreditFacility200millionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to the $200 million credit facility.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CreditFacility200millionMember" xlink:href="abr-20240930.xsd#abr_CreditFacility200millionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CreditFacility200millionMember" xlink:to="lab_abr_CreditFacility200millionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableNonaccrualLoansModifiedOrPaidOffDuringPeriodAmount_773309b6-5d98-415e-9bec-b40c41a4dece_negatedTerseLabel_en-US" xlink:label="lab_abr_FinancingReceivableNonaccrualLoansModifiedOrPaidOffDuringPeriodAmount" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Loans modified or paid off</link:label>
    <link:label id="lab_abr_FinancingReceivableNonaccrualLoansModifiedOrPaidOffDuringPeriodAmount_label_en-US" xlink:label="lab_abr_FinancingReceivableNonaccrualLoansModifiedOrPaidOffDuringPeriodAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Nonaccrual, Loans Modified Or Paid Off During Period, Amount</link:label>
    <link:label id="lab_abr_FinancingReceivableNonaccrualLoansModifiedOrPaidOffDuringPeriodAmount_documentation_en-US" xlink:label="lab_abr_FinancingReceivableNonaccrualLoansModifiedOrPaidOffDuringPeriodAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Nonaccrual, Loans Modified Or Paid Off During Period, Amount</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableNonaccrualLoansModifiedOrPaidOffDuringPeriodAmount" xlink:href="abr-20240930.xsd#abr_FinancingReceivableNonaccrualLoansModifiedOrPaidOffDuringPeriodAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableNonaccrualLoansModifiedOrPaidOffDuringPeriodAmount" xlink:to="lab_abr_FinancingReceivableNonaccrualLoansModifiedOrPaidOffDuringPeriodAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MaturityDateJune2027Member_5d680897-d318-4fd3-b7bf-b845d593f078_terseLabel_en-US" xlink:label="lab_abr_MaturityDateJune2027Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity Date June 2027</link:label>
    <link:label id="lab_abr_MaturityDateJune2027Member_label_en-US" xlink:label="lab_abr_MaturityDateJune2027Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity Date June 2027 [Member]</link:label>
    <link:label id="lab_abr_MaturityDateJune2027Member_documentation_en-US" xlink:label="lab_abr_MaturityDateJune2027Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maturity Date June 2027</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MaturityDateJune2027Member" xlink:href="abr-20240930.xsd#abr_MaturityDateJune2027Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MaturityDateJune2027Member" xlink:to="lab_abr_MaturityDateJune2027Member" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LoansPayoffsAndPaydowns_024f037f-3bf2-4707-b73c-e26c1f63da0d_verboseLabel_en-US" xlink:label="lab_abr_LoansPayoffsAndPaydowns" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Loan Runoff</link:label>
    <link:label id="lab_abr_LoansPayoffsAndPaydowns_label_en-US" xlink:label="lab_abr_LoansPayoffsAndPaydowns" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans, Payoffs And Paydowns</link:label>
    <link:label id="lab_abr_LoansPayoffsAndPaydowns_documentation_en-US" xlink:label="lab_abr_LoansPayoffsAndPaydowns" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of loans originated through loan payoffs and paydowns.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LoansPayoffsAndPaydowns" xlink:href="abr-20240930.xsd#abr_LoansPayoffsAndPaydowns"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LoansPayoffsAndPaydowns" xlink:to="lab_abr_LoansPayoffsAndPaydowns" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LandAndLandImprovementsMember_413f4937-2563-40f2-9080-abbf522ffcf1_terseLabel_en-US" xlink:label="lab_us-gaap_LandAndLandImprovementsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Land</link:label>
    <link:label id="lab_us-gaap_LandAndLandImprovementsMember_label_en-US" xlink:label="lab_us-gaap_LandAndLandImprovementsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Land and Land Improvements [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LandAndLandImprovementsMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LandAndLandImprovementsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LandAndLandImprovementsMember" xlink:to="lab_us-gaap_LandAndLandImprovementsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ImpairedFinancingReceivableUnpaidPrincipalBalances_5b76b1c8-b418-4ca6-a424-7e5349c524b9_terseLabel_en-US" xlink:label="lab_abr_ImpairedFinancingReceivableUnpaidPrincipalBalances" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unpaid principal balance on loans</link:label>
    <link:label id="lab_abr_ImpairedFinancingReceivableUnpaidPrincipalBalances_label_en-US" xlink:label="lab_abr_ImpairedFinancingReceivableUnpaidPrincipalBalances" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impaired Financing Receivable Unpaid Principal Balances</link:label>
    <link:label id="lab_abr_ImpairedFinancingReceivableUnpaidPrincipalBalances_documentation_en-US" xlink:label="lab_abr_ImpairedFinancingReceivableUnpaidPrincipalBalances" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ImpairedFinancingReceivableUnpaidPrincipalBalances" xlink:href="abr-20240930.xsd#abr_ImpairedFinancingReceivableUnpaidPrincipalBalances"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ImpairedFinancingReceivableUnpaidPrincipalBalances" xlink:to="lab_abr_ImpairedFinancingReceivableUnpaidPrincipalBalances" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_7df3cddf-bf27-4725-b4de-10db5998b2a0_terseLabel_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing activities:</link:label>
    <link:label id="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_label_en-US" xlink:label="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Net Cash Provided by (Used in) Financing Activities [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="lab_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PreferredStockValue_651f6ede-d899-433c-a7c7-f90497ddf719_terseLabel_en-US" xlink:label="lab_us-gaap_PreferredStockValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred stock, cumulative, redeemable, $0.01 par value: 100,000,000 shares authorized, shares issued and outstanding by period: Special voting preferred shares - 16,293,589 shares, 6.375% Series D - 9,200,000 shares, 6.25% Series E - 5,750,000 shares, 6.25% Series F - 11,342,000 shares</link:label>
    <link:label id="lab_us-gaap_PreferredStockValue_label_en-US" xlink:label="lab_us-gaap_PreferredStockValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Stock, Value, Issued</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PreferredStockValue" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PreferredStockValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PreferredStockValue" xlink:to="lab_us-gaap_PreferredStockValue" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableModifiedPayRateOfInterest_eb244e11-5c86-453d-95c4-606b194496b1_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableModifiedPayRateOfInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing receivable modified, pay rate of interest</link:label>
    <link:label id="lab_abr_FinancingReceivableModifiedPayRateOfInterest_label_en-US" xlink:label="lab_abr_FinancingReceivableModifiedPayRateOfInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Modified, Pay Rate of Interest</link:label>
    <link:label id="lab_abr_FinancingReceivableModifiedPayRateOfInterest_documentation_en-US" xlink:label="lab_abr_FinancingReceivableModifiedPayRateOfInterest" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Modified, Pay Rate of Interest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableModifiedPayRateOfInterest" xlink:href="abr-20240930.xsd#abr_FinancingReceivableModifiedPayRateOfInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableModifiedPayRateOfInterest" xlink:to="lab_abr_FinancingReceivableModifiedPayRateOfInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LongTermDebtByMaturityAbstract_e2607698-1a6f-461e-ba29-398666c6ece1_terseLabel_en-US" xlink:label="lab_us-gaap_LongTermDebtByMaturityAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Obligations</link:label>
    <link:label id="lab_us-gaap_LongTermDebtByMaturityAbstract_label_en-US" xlink:label="lab_us-gaap_LongTermDebtByMaturityAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Long-Term Debt, Fiscal Year Maturity [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtByMaturityAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LongTermDebtByMaturityAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LongTermDebtByMaturityAbstract" xlink:to="lab_us-gaap_LongTermDebtByMaturityAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ForwardContractsMember_a276be72-fab9-4580-b3ab-a42d84d21e35_terseLabel_en-US" xlink:label="lab_us-gaap_ForwardContractsMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Forward Contracts</link:label>
    <link:label id="lab_us-gaap_ForwardContractsMember_label_en-US" xlink:label="lab_us-gaap_ForwardContractsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Forward Contracts [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForwardContractsMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ForwardContractsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ForwardContractsMember" xlink:to="lab_us-gaap_ForwardContractsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EarningsPerShareBasic_2c6680f1-f422-4add-a04a-d54d2c497e23_terseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Basic earnings per common share (in dollars per share)</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareBasic_8be031af-9d3c-43df-8e60-a7486cfc6b0b_verboseLabel_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Net income per common share (in dollars per share)</link:label>
    <link:label id="lab_us-gaap_EarningsPerShareBasic_label_en-US" xlink:label="lab_us-gaap_EarningsPerShareBasic" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Earnings Per Share, Basic</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EarningsPerShareBasic" xlink:to="lab_us-gaap_EarningsPerShareBasic" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfCommonStock_e8a3d570-3714-4ae0-8ee1-a9d2f1ed734c_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from issuance of common stock</link:label>
    <link:label id="lab_us-gaap_ProceedsFromIssuanceOfCommonStock_label_en-US" xlink:label="lab_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Issuance of Common Stock</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromIssuanceOfCommonStock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:to="lab_us-gaap_ProceedsFromIssuanceOfCommonStock" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AwardTmgMnpiDiscTextBlock_terseLabel_en-US" xlink:label="lab_ecd_AwardTmgMnpiDiscTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Award Timing MNPI Disclosure</link:label>
    <link:label id="lab_ecd_AwardTmgMnpiDiscTextBlock_label_en-US" xlink:label="lab_ecd_AwardTmgMnpiDiscTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Award Timing MNPI Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AwardTmgMnpiDiscTextBlock" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AwardTmgMnpiDiscTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_AwardTmgMnpiDiscTextBlock" xlink:to="lab_ecd_AwardTmgMnpiDiscTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ContractualObligation_36858cb6-256a-47ec-a6f3-39f5fbae7794_totalLabel_en-US" xlink:label="lab_us-gaap_ContractualObligation" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_us-gaap_ContractualObligation_label_en-US" xlink:label="lab_us-gaap_ContractualObligation" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contractual Obligation</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractualObligation" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ContractualObligation"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractualObligation" xlink:to="lab_us-gaap_ContractualObligation" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ImpairedFinancingReceivableLastDollarLtvRatio_0c6ed9ec-300e-4353-a0a3-dd4527bb8d92_terseLabel_en-US" xlink:label="lab_abr_ImpairedFinancingReceivableLastDollarLtvRatio" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Wtd. Avg. Last Dollar LTV Ratio</link:label>
    <link:label id="lab_abr_ImpairedFinancingReceivableLastDollarLtvRatio_label_en-US" xlink:label="lab_abr_ImpairedFinancingReceivableLastDollarLtvRatio" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impaired Financing Receivable Last Dollar LTV Ratio</link:label>
    <link:label id="lab_abr_ImpairedFinancingReceivableLastDollarLtvRatio_documentation_en-US" xlink:label="lab_abr_ImpairedFinancingReceivableLastDollarLtvRatio" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">For an impaired loan, the weighted average loan to value ratio that is calculated by comparing the total of the carrying value of the company's loan and all senior lien positions within the capital stack to the fair value of the underlying collateral to determine the point at which the company will initially absorb a loss.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ImpairedFinancingReceivableLastDollarLtvRatio" xlink:href="abr-20240930.xsd#abr_ImpairedFinancingReceivableLastDollarLtvRatio"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ImpairedFinancingReceivableLastDollarLtvRatio" xlink:to="lab_abr_ImpairedFinancingReceivableLastDollarLtvRatio" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_OwnershipDomain_6378cd59-5f01-4322-b728-a887c42b862e_terseLabel_en-US" xlink:label="lab_srt_OwnershipDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Ownership [Domain]</link:label>
    <link:label id="lab_srt_OwnershipDomain_label_en-US" xlink:label="lab_srt_OwnershipDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Ownership [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_OwnershipDomain" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_OwnershipDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_OwnershipDomain" xlink:to="lab_srt_OwnershipDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_AggtPnsnAdjsSvcCstMember_terseLabel_en-US" xlink:label="lab_ecd_AggtPnsnAdjsSvcCstMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Aggregate Pension Adjustments Service Cost</link:label>
    <link:label id="lab_ecd_AggtPnsnAdjsSvcCstMember_label_en-US" xlink:label="lab_ecd_AggtPnsnAdjsSvcCstMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Aggregate Pension Adjustments Service Cost [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_AggtPnsnAdjsSvcCstMember" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_AggtPnsnAdjsSvcCstMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_AggtPnsnAdjsSvcCstMember" xlink:to="lab_ecd_AggtPnsnAdjsSvcCstMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_DebtInstrumentMaturityExtensionsExercised_9a37d37e-c405-4eb6-86cf-680af0d82f7f_terseLabel_en-US" xlink:label="lab_abr_DebtInstrumentMaturityExtensionsExercised" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity extensions exercised</link:label>
    <link:label id="lab_abr_DebtInstrumentMaturityExtensionsExercised_label_en-US" xlink:label="lab_abr_DebtInstrumentMaturityExtensionsExercised" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Maturity Extensions Exercised</link:label>
    <link:label id="lab_abr_DebtInstrumentMaturityExtensionsExercised_documentation_en-US" xlink:label="lab_abr_DebtInstrumentMaturityExtensionsExercised" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instrument, Maturity Extensions Exercised</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_DebtInstrumentMaturityExtensionsExercised" xlink:href="abr-20240930.xsd#abr_DebtInstrumentMaturityExtensionsExercised"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_DebtInstrumentMaturityExtensionsExercised" xlink:to="lab_abr_DebtInstrumentMaturityExtensionsExercised" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfLoansHeldForSale_cb2f16c0-c921-4e5b-947b-95160638d227_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfLoansHeldForSale" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sales of loans held-for-sale, net of gain on sale</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfLoansHeldForSale_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfLoansHeldForSale" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale, Loan, Held-for-Sale</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfLoansHeldForSale" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromSaleOfLoansHeldForSale"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfLoansHeldForSale" xlink:to="lab_us-gaap_ProceedsFromSaleOfLoansHeldForSale" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowingsPrincipalAmount_a734c501-4800-449e-be11-828f88e416bf_verboseLabel_en-US" xlink:label="lab_abr_SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowingsPrincipalAmount" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Credit and repurchase facilities, Principal/Notional Amount</link:label>
    <link:label id="lab_abr_SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowingsPrincipalAmount_label_en-US" xlink:label="lab_abr_SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowingsPrincipalAmount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Secured Debt, Repurchase Agreements And Warehouse Agreement Borrowings, Principal Amount</link:label>
    <link:label id="lab_abr_SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowingsPrincipalAmount_documentation_en-US" xlink:label="lab_abr_SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowingsPrincipalAmount" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The principal balance of the securities sold under agreements to repurchase and borrowings under warehouse and revolving lines of credit.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowingsPrincipalAmount" xlink:href="abr-20240930.xsd#abr_SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowingsPrincipalAmount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowingsPrincipalAmount" xlink:to="lab_abr_SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowingsPrincipalAmount" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LoansHeldForSaleReceivableGrossCommercialRealEstate_7a7274c4-9b22-4aca-afb9-c1222a53511d_terseLabel_en-US" xlink:label="lab_abr_LoansHeldForSaleReceivableGrossCommercialRealEstate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans held-for-sale, net, Principal/Notional Amount</link:label>
    <link:label id="lab_abr_LoansHeldForSaleReceivableGrossCommercialRealEstate_label_en-US" xlink:label="lab_abr_LoansHeldForSaleReceivableGrossCommercialRealEstate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Held For Sale Receivable Gross Commercial Real Estate</link:label>
    <link:label id="lab_abr_LoansHeldForSaleReceivableGrossCommercialRealEstate_documentation_en-US" xlink:label="lab_abr_LoansHeldForSaleReceivableGrossCommercialRealEstate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount before allowance of commercial loans classified as held-for-sale which are issued to businesses to acquire, develop, construct, improve, or refinance land or building. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans covered under loss sharing agreements.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LoansHeldForSaleReceivableGrossCommercialRealEstate" xlink:href="abr-20240930.xsd#abr_LoansHeldForSaleReceivableGrossCommercialRealEstate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LoansHeldForSaleReceivableGrossCommercialRealEstate" xlink:to="lab_abr_LoansHeldForSaleReceivableGrossCommercialRealEstate" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_HeldToMaturitySecuritiesSoldPercentage_a7850940-6100-421f-ac9a-7d860226920b_terseLabel_en-US" xlink:label="lab_abr_HeldToMaturitySecuritiesSoldPercentage" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Held-to-maturity securities sold, percentage</link:label>
    <link:label id="lab_abr_HeldToMaturitySecuritiesSoldPercentage_label_en-US" xlink:label="lab_abr_HeldToMaturitySecuritiesSoldPercentage" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Held-to-maturity Securities, Sold, Percentage</link:label>
    <link:label id="lab_abr_HeldToMaturitySecuritiesSoldPercentage_documentation_en-US" xlink:label="lab_abr_HeldToMaturitySecuritiesSoldPercentage" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The percentage of sale of held-to-maturity securities.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_HeldToMaturitySecuritiesSoldPercentage" xlink:href="abr-20240930.xsd#abr_HeldToMaturitySecuritiesSoldPercentage"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_HeldToMaturitySecuritiesSoldPercentage" xlink:to="lab_abr_HeldToMaturitySecuritiesSoldPercentage" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_ShareRepurchaseProgramAxis_5d46d570-7ed8-42f0-9d62-e0e581148c0c_terseLabel_en-US" xlink:label="lab_srt_ShareRepurchaseProgramAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Share Repurchase Program [Axis]</link:label>
    <link:label id="lab_srt_ShareRepurchaseProgramAxis_label_en-US" xlink:label="lab_srt_ShareRepurchaseProgramAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share Repurchase Program [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ShareRepurchaseProgramAxis" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_ShareRepurchaseProgramAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ShareRepurchaseProgramAxis" xlink:to="lab_srt_ShareRepurchaseProgramAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EquityMethodInvestmentDividendsOrDistributions_bba79c97-70ba-438f-aa3a-cfbd939618de_verboseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentDividendsOrDistributions" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Distribution received</link:label>
    <link:label id="lab_us-gaap_EquityMethodInvestmentDividendsOrDistributions_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentDividendsOrDistributions" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Equity Method Investment, Distribution</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentDividendsOrDistributions" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityMethodInvestmentDividendsOrDistributions"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentDividendsOrDistributions" xlink:to="lab_us-gaap_EquityMethodInvestmentDividendsOrDistributions" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_f352d934-23a6-4bf8-a85e-ef9803504789_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2025</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Asset, Expected Amortization, Year One</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
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    <link:label id="lab_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeDomain_ee2c09f9-8854-43f5-9b62-c1e26602514a_terseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Nonconsolidated Investee [Domain]</link:label>
    <link:label id="lab_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeDomain_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investment, Nonconsolidated Investee [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeDomain" xlink:to="lab_us-gaap_EquityMethodInvestmentNonconsolidatedInvesteeDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MortgageLoansOnRealEstateFaceAmountOfMortgages_6706e2f5-e40b-425b-8ee8-c2a600b77bb4_terseLabel_en-US" xlink:label="lab_srt_MortgageLoansOnRealEstateFaceAmountOfMortgages" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Principal amount</link:label>
    <link:label id="lab_srt_MortgageLoansOnRealEstateFaceAmountOfMortgages_label_en-US" xlink:label="lab_srt_MortgageLoansOnRealEstateFaceAmountOfMortgages" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateFaceAmountOfMortgages" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MortgageLoansOnRealEstateFaceAmountOfMortgages"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MortgageLoansOnRealEstateFaceAmountOfMortgages" xlink:to="lab_srt_MortgageLoansOnRealEstateFaceAmountOfMortgages" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_f1715a49-7f5f-4c82-9404-d9443f88db6b_terseLabel_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Grants during the period (in shares)</link:label>
    <link:label id="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod_label_en-US" xlink:label="lab_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod"/>
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    <link:label id="lab_abr_PaymentForLoansAndInvestmentsFundedOriginatedAndPurchased_e95b27df-da31-4cb0-922f-7054f34d239b_negatedLabel_en-US" xlink:label="lab_abr_PaymentForLoansAndInvestmentsFundedOriginatedAndPurchased" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Loans and investments funded, originated and purchased, net</link:label>
    <link:label id="lab_abr_PaymentForLoansAndInvestmentsFundedOriginatedAndPurchased_aed091a1-8707-424e-8000-7d45c0942563_terseLabel_en-US" xlink:label="lab_abr_PaymentForLoansAndInvestmentsFundedOriginatedAndPurchased" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and investments funded, originated and purchased</link:label>
    <link:label id="lab_abr_PaymentForLoansAndInvestmentsFundedOriginatedAndPurchased_label_en-US" xlink:label="lab_abr_PaymentForLoansAndInvestmentsFundedOriginatedAndPurchased" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Payment for Loans and Investments Funded Originated and Purchased</link:label>
    <link:label id="lab_abr_PaymentForLoansAndInvestmentsFundedOriginatedAndPurchased_documentation_en-US" xlink:label="lab_abr_PaymentForLoansAndInvestmentsFundedOriginatedAndPurchased" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the cash outflow during the reporting period in respect of payments for loans and investments funded and purchased by the reporting entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_PaymentForLoansAndInvestmentsFundedOriginatedAndPurchased" xlink:href="abr-20240930.xsd#abr_PaymentForLoansAndInvestmentsFundedOriginatedAndPurchased"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_PaymentForLoansAndInvestmentsFundedOriginatedAndPurchased" xlink:to="lab_abr_PaymentForLoansAndInvestmentsFundedOriginatedAndPurchased" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MaturityDateJuly2027Member_3d000913-138f-46e4-b48a-f6ee07f1b7d6_terseLabel_en-US" xlink:label="lab_abr_MaturityDateJuly2027Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity Date July 2027</link:label>
    <link:label id="lab_abr_MaturityDateJuly2027Member_label_en-US" xlink:label="lab_abr_MaturityDateJuly2027Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity Date July 2027 [Member]</link:label>
    <link:label id="lab_abr_MaturityDateJuly2027Member_documentation_en-US" xlink:label="lab_abr_MaturityDateJuly2027Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Maturity Date July 2027</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MaturityDateJuly2027Member" xlink:href="abr-20240930.xsd#abr_MaturityDateJuly2027Member"/>
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    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesFairValue_866040d5-3daa-4188-a8a4-a1eb04ff2204_terseLabel_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesFairValue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Estimated Fair Value</link:label>
    <link:label id="lab_us-gaap_HeldToMaturitySecuritiesFairValue_label_en-US" xlink:label="lab_us-gaap_HeldToMaturitySecuritiesFairValue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Securities, Held-to-Maturity, Fair Value</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_HeldToMaturitySecuritiesFairValue" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_HeldToMaturitySecuritiesFairValue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_HeldToMaturitySecuritiesFairValue" xlink:to="lab_us-gaap_HeldToMaturitySecuritiesFairValue" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_NumberOfRealEstateProperties_5887045f-b1fa-4175-8804-8fc7bb4ead8a_terseLabel_en-US" xlink:label="lab_us-gaap_NumberOfRealEstateProperties" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of real estate properties</link:label>
    <link:label id="lab_us-gaap_NumberOfRealEstateProperties_label_en-US" xlink:label="lab_us-gaap_NumberOfRealEstateProperties" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Real Estate Properties</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NumberOfRealEstateProperties" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_NumberOfRealEstateProperties"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_NumberOfRealEstateProperties" xlink:to="lab_us-gaap_NumberOfRealEstateProperties" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MortgageLoansOnRealEstateLineItems_6d23c7bf-6056-407e-bf52-d06379548eb7_verboseLabel_en-US" xlink:label="lab_srt_MortgageLoansOnRealEstateLineItems" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Loans and Investments</link:label>
    <link:label id="lab_srt_MortgageLoansOnRealEstateLineItems_e41ccf53-07bf-442f-9e2d-0767a3f71bb9_terseLabel_en-US" xlink:label="lab_srt_MortgageLoansOnRealEstateLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]</link:label>
    <link:label id="lab_srt_MortgageLoansOnRealEstateLineItems_label_en-US" xlink:label="lab_srt_MortgageLoansOnRealEstateLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateLineItems" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MortgageLoansOnRealEstateLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MortgageLoansOnRealEstateLineItems" xlink:to="lab_srt_MortgageLoansOnRealEstateLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_EquityMethodInvestmentsDisclosureTextBlock_b42d6a76-ff96-4580-90b4-b3888f1b89c2_terseLabel_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentsDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investments in Equity Affiliates</link:label>
    <link:label id="lab_us-gaap_EquityMethodInvestmentsDisclosureTextBlock_label_en-US" xlink:label="lab_us-gaap_EquityMethodInvestmentsDisclosureTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Equity Method Investments and Joint Ventures Disclosure [Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentsDisclosureTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_EquityMethodInvestmentsDisclosureTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_EquityMethodInvestmentsDisclosureTextBlock" xlink:to="lab_us-gaap_EquityMethodInvestmentsDisclosureTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_6130df67-6a42-42fc-85a2-d72c0e68b778_verboseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Loans and Investments</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_c7e25fc6-5324-432d-ab1e-10c49e673675_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing Receivable, Allowance for Credit Loss [Line Items]</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Allowance for Credit Loss [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:to="lab_us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_InterestReserveUnpaidPrincipalBalance_e5102fed-c2a6-4fbc-9f00-a167f46fe46f_verboseLabel_en-US" xlink:label="lab_abr_InterestReserveUnpaidPrincipalBalance" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Aggregate UPB covered under interest reserve</link:label>
    <link:label id="lab_abr_InterestReserveUnpaidPrincipalBalance_label_en-US" xlink:label="lab_abr_InterestReserveUnpaidPrincipalBalance" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Reserve, Unpaid Principal Balance</link:label>
    <link:label id="lab_abr_InterestReserveUnpaidPrincipalBalance_documentation_en-US" xlink:label="lab_abr_InterestReserveUnpaidPrincipalBalance" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of aggregate unpaid principal balance covered under the interest reserve fund.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_InterestReserveUnpaidPrincipalBalance" xlink:href="abr-20240930.xsd#abr_InterestReserveUnpaidPrincipalBalance"/>
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    <link:label id="lab_us-gaap_ScheduleOfDividendsPayableTextBlock_2621599b-0ac2-4597-9d47-f2729b92d42d_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfDividendsPayableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Dividends Payable</link:label>
    <link:label id="lab_us-gaap_ScheduleOfDividendsPayableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfDividendsPayableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Dividends Payable [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDividendsPayableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfDividendsPayableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfDividendsPayableTextBlock" xlink:to="lab_us-gaap_ScheduleOfDividendsPayableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RevenueRightsGrantedMember_0828752c-273c-4026-82be-d7140ffb5975_terseLabel_en-US" xlink:label="lab_us-gaap_RevenueRightsGrantedMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fee-based servicing portfolio</link:label>
    <link:label id="lab_us-gaap_RevenueRightsGrantedMember_label_en-US" xlink:label="lab_us-gaap_RevenueRightsGrantedMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Revenue, Rights Granted [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRightsGrantedMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RevenueRightsGrantedMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RevenueRightsGrantedMember" xlink:to="lab_us-gaap_RevenueRightsGrantedMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AssetsTotalMember_cf29fdf0-b046-46a9-ac06-26b340810a50_terseLabel_en-US" xlink:label="lab_us-gaap_AssetsTotalMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Total Assets</link:label>
    <link:label id="lab_us-gaap_AssetsTotalMember_label_en-US" xlink:label="lab_us-gaap_AssetsTotalMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Assets, Total [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsTotalMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AssetsTotalMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AssetsTotalMember" xlink:to="lab_us-gaap_AssetsTotalMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount_23b23246-7ec8-4e60-b698-74afdb930b4f_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unearned revenue</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount" xlink:to="lab_us-gaap_FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_InterestEarnedOnEscrows_0ca26d00-50cb-430a-bbfa-436ec874b544_terseLabel_en-US" xlink:label="lab_abr_InterestEarnedOnEscrows" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest earned on escrows</link:label>
    <link:label id="lab_abr_InterestEarnedOnEscrows_label_en-US" xlink:label="lab_abr_InterestEarnedOnEscrows" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Earned on Escrows</link:label>
    <link:label id="lab_abr_InterestEarnedOnEscrows_documentation_en-US" xlink:label="lab_abr_InterestEarnedOnEscrows" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">The amount of interest earned on escrows.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_InterestEarnedOnEscrows" xlink:href="abr-20240930.xsd#abr_InterestEarnedOnEscrows"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_InterestEarnedOnEscrows" xlink:to="lab_abr_InterestEarnedOnEscrows" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LoansAndInvestmentsAbstract_6ec97c62-7d5e-45b0-ad04-ec8a46152790_terseLabel_en-US" xlink:label="lab_abr_LoansAndInvestmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and Investments</link:label>
    <link:label id="lab_abr_LoansAndInvestmentsAbstract_label_en-US" xlink:label="lab_abr_LoansAndInvestmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans and Investments [Abstract]</link:label>
    <link:label id="lab_abr_LoansAndInvestmentsAbstract_documentation_en-US" xlink:label="lab_abr_LoansAndInvestmentsAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">No definition available.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LoansAndInvestmentsAbstract" xlink:href="abr-20240930.xsd#abr_LoansAndInvestmentsAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LoansAndInvestmentsAbstract" xlink:to="lab_abr_LoansAndInvestmentsAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtSecuritiesHeldtomaturityAllowanceForCreditLossLineItems_b351c770-8622-4234-be90-b314dd3bce05_verboseLabel_en-US" xlink:label="lab_us-gaap_DebtSecuritiesHeldtomaturityAllowanceForCreditLossLineItems" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Securities held-to-maturity</link:label>
    <link:label id="lab_us-gaap_DebtSecuritiesHeldtomaturityAllowanceForCreditLossLineItems_label_en-US" xlink:label="lab_us-gaap_DebtSecuritiesHeldtomaturityAllowanceForCreditLossLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtSecuritiesHeldtomaturityAllowanceForCreditLossLineItems" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtSecuritiesHeldtomaturityAllowanceForCreditLossLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtSecuritiesHeldtomaturityAllowanceForCreditLossLineItems" xlink:to="lab_us-gaap_DebtSecuritiesHeldtomaturityAllowanceForCreditLossLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableFixedInterestRateFirstTwentyFourMonths_ffe2cde4-3d0e-4be0-88a1-eccba84a8a1f_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableFixedInterestRateFirstTwentyFourMonths" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fixed interest rate, first twenty four months</link:label>
    <link:label id="lab_abr_FinancingReceivableFixedInterestRateFirstTwentyFourMonths_label_en-US" xlink:label="lab_abr_FinancingReceivableFixedInterestRateFirstTwentyFourMonths" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Fixed Interest Rate, First Twenty Four Months</link:label>
    <link:label id="lab_abr_FinancingReceivableFixedInterestRateFirstTwentyFourMonths_documentation_en-US" xlink:label="lab_abr_FinancingReceivableFixedInterestRateFirstTwentyFourMonths" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Fixed Interest Rate, First Twenty Four Months</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableFixedInterestRateFirstTwentyFourMonths" xlink:href="abr-20240930.xsd#abr_FinancingReceivableFixedInterestRateFirstTwentyFourMonths"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableFixedInterestRateFirstTwentyFourMonths" xlink:to="lab_abr_FinancingReceivableFixedInterestRateFirstTwentyFourMonths" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityAddressCityOrTown_3620bd5a-d234-4260-8fb1-a8913af3ed3b_terseLabel_en-US" xlink:label="lab_dei_EntityAddressCityOrTown" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Address, City or Town</link:label>
    <link:label id="lab_dei_EntityAddressCityOrTown_label_en-US" xlink:label="lab_dei_EntityAddressCityOrTown" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Address, City or Town</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityAddressCityOrTown"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityAddressCityOrTown" xlink:to="lab_dei_EntityAddressCityOrTown" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock_613e0a66-2d31-4353-ab87-aa54a30ff275_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Summary of UPB and Net Carrying Value of Convertible Notes</link:label>
    <link:label id="lab_us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock_label_en-US" xlink:label="lab_us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock" xlink:to="lab_us-gaap_ScheduleOfCarryingValuesAndEstimatedFairValuesOfDebtInstrumentsTableTextBlock" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_0658cf86-f9c1-4ee1-995a-7a42028e409d_verboseLabel_en-US" xlink:label="lab_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Gain (loss) from changes in the fair value of derivatives</link:label>
    <link:label id="lab_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss_label_en-US" xlink:label="lab_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Net Derivative Asset (Liability), Recurring Basis, Still Held, Unrealized Gain (Loss)</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss" xlink:to="lab_us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisChangeInUnrealizedGainLoss" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LossContingencyAccrualChargeOffsNet_7f9538b3-ab59-47ac-8fdd-481199d5ec92_negatedLabel_en-US" xlink:label="lab_abr_LossContingencyAccrualChargeOffsNet" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Net (charge-offs) and recoveries for loss sharing obligations</link:label>
    <link:label id="lab_abr_LossContingencyAccrualChargeOffsNet_label_en-US" xlink:label="lab_abr_LossContingencyAccrualChargeOffsNet" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Contingency Accrual, Charge Offs, Net</link:label>
    <link:label id="lab_abr_LossContingencyAccrualChargeOffsNet_documentation_en-US" xlink:label="lab_abr_LossContingencyAccrualChargeOffsNet" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of recoveries (charge-offs) when settle a loss under the DUS Loss sharing model, net of any previously advanced principal and interest payments.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LossContingencyAccrualChargeOffsNet" xlink:href="abr-20240930.xsd#abr_LossContingencyAccrualChargeOffsNet"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LossContingencyAccrualChargeOffsNet" xlink:to="lab_abr_LossContingencyAccrualChargeOffsNet" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest_41e9298a-27dd-47f4-abde-db1a71121b2f_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loans and investments, allowance for credit losses</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest_98ac4a75-d3db-4307-b31b-45bc6446fab0_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Allowance for credit losses</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest_7cfb73a6-5c2c-41e9-ac63-73aa76897947_periodStartLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Allowance for credit losses, beginning balance</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest_da7a0ad8-fe45-4815-936a-e67dc85cd1a1_periodEndLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:type="resource" xml:lang="en-US">Allowance for credit losses, ending balance</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest" xlink:to="lab_us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_OriginatedMortgageServicingRightsRevenue_e2391534-41d3-4cd9-8c53-a41beb983255_terseLabel_en-US" xlink:label="lab_abr_OriginatedMortgageServicingRightsRevenue" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Mortgage servicing rights</link:label>
    <link:label id="lab_abr_OriginatedMortgageServicingRightsRevenue_581bb01e-e271-4d33-9e53-d7e85d2b4946_negatedLabel_en-US" xlink:label="lab_abr_OriginatedMortgageServicingRightsRevenue" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Mortgage servicing rights</link:label>
    <link:label id="lab_abr_OriginatedMortgageServicingRightsRevenue_label_en-US" xlink:label="lab_abr_OriginatedMortgageServicingRightsRevenue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Originated Mortgage Servicing Rights Revenue</link:label>
    <link:label id="lab_abr_OriginatedMortgageServicingRightsRevenue_documentation_en-US" xlink:label="lab_abr_OriginatedMortgageServicingRightsRevenue" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Amount of revenue recorded for the mortgage servicing rights obtained from sold loans.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_OriginatedMortgageServicingRightsRevenue" xlink:href="abr-20240930.xsd#abr_OriginatedMortgageServicingRightsRevenue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_OriginatedMortgageServicingRightsRevenue" xlink:to="lab_abr_OriginatedMortgageServicingRightsRevenue" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_BridgeLoanSeveralMultifamilyPropertiesMember_d7397f1e-e461-4866-9827-e36b0a4615fb_terseLabel_en-US" xlink:label="lab_abr_BridgeLoanSeveralMultifamilyPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Bridge loan, several multifamily properties</link:label>
    <link:label id="lab_abr_BridgeLoanSeveralMultifamilyPropertiesMember_label_en-US" xlink:label="lab_abr_BridgeLoanSeveralMultifamilyPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Bridge loan, several multifamily properties</link:label>
    <link:label id="lab_abr_BridgeLoanSeveralMultifamilyPropertiesMember_documentation_en-US" xlink:label="lab_abr_BridgeLoanSeveralMultifamilyPropertiesMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Information pertaining to bridge loan used to purchase several multifamily properties.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_BridgeLoanSeveralMultifamilyPropertiesMember" xlink:href="abr-20240930.xsd#abr_BridgeLoanSeveralMultifamilyPropertiesMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_BridgeLoanSeveralMultifamilyPropertiesMember" xlink:to="lab_abr_BridgeLoanSeveralMultifamilyPropertiesMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MaturityDateOf2019Member_90c99788-3fab-4348-9ccb-ad4ee602e1c0_terseLabel_en-US" xlink:label="lab_abr_MaturityDateOf2019Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity date of 2019</link:label>
    <link:label id="lab_abr_MaturityDateOf2019Member_label_en-US" xlink:label="lab_abr_MaturityDateOf2019Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity date of 2019</link:label>
    <link:label id="lab_abr_MaturityDateOf2019Member_documentation_en-US" xlink:label="lab_abr_MaturityDateOf2019Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents loans receivable with the maturity date of 2019.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MaturityDateOf2019Member" xlink:href="abr-20240930.xsd#abr_MaturityDateOf2019Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MaturityDateOf2019Member" xlink:to="lab_abr_MaturityDateOf2019Member" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LossContingenciesTable_466ebe82-ecde-496f-833e-4e6af3349aa6_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingenciesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Loss Contingencies [Table]</link:label>
    <link:label id="lab_us-gaap_LossContingenciesTable_label_en-US" xlink:label="lab_us-gaap_LossContingenciesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Contingencies [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesTable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingenciesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingenciesTable" xlink:to="lab_us-gaap_LossContingenciesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_BusinessAcquisitionAxis_1d3ded6e-6791-41e6-ba47-7fe56acbc98d_terseLabel_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Business Acquisition [Axis]</link:label>
    <link:label id="lab_us-gaap_BusinessAcquisitionAxis_label_en-US" xlink:label="lab_us-gaap_BusinessAcquisitionAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Business Acquisition [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_BusinessAcquisitionAxis" xlink:to="lab_us-gaap_BusinessAcquisitionAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MortgageLoansOnRealEstateWeightedAverageInterestRate_ca8ec1bb-ca56-400d-b848-32dda4fba1b5_terseLabel_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstateWeightedAverageInterestRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Wtd. Avg. Pay Rate (as a percent)</link:label>
    <link:label id="lab_abr_MortgageLoansOnRealEstateWeightedAverageInterestRate_label_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstateWeightedAverageInterestRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Mortgage Loans on Real Estate, Weighted Average Interest Rate</link:label>
    <link:label id="lab_abr_MortgageLoansOnRealEstateWeightedAverageInterestRate_documentation_en-US" xlink:label="lab_abr_MortgageLoansOnRealEstateWeightedAverageInterestRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Weighted average interest rate of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MortgageLoansOnRealEstateWeightedAverageInterestRate" xlink:href="abr-20240930.xsd#abr_MortgageLoansOnRealEstateWeightedAverageInterestRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MortgageLoansOnRealEstateWeightedAverageInterestRate" xlink:to="lab_abr_MortgageLoansOnRealEstateWeightedAverageInterestRate" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_DvddsOrOthrErngsPdOnEqtyAwrdsNtOthrwsRflctdInTtlCompForCvrdYrMember_terseLabel_en-US" xlink:label="lab_ecd_DvddsOrOthrErngsPdOnEqtyAwrdsNtOthrwsRflctdInTtlCompForCvrdYrMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year</link:label>
    <link:label id="lab_ecd_DvddsOrOthrErngsPdOnEqtyAwrdsNtOthrwsRflctdInTtlCompForCvrdYrMember_label_en-US" xlink:label="lab_ecd_DvddsOrOthrErngsPdOnEqtyAwrdsNtOthrwsRflctdInTtlCompForCvrdYrMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_DvddsOrOthrErngsPdOnEqtyAwrdsNtOthrwsRflctdInTtlCompForCvrdYrMember" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_DvddsOrOthrErngsPdOnEqtyAwrdsNtOthrwsRflctdInTtlCompForCvrdYrMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_DvddsOrOthrErngsPdOnEqtyAwrdsNtOthrwsRflctdInTtlCompForCvrdYrMember" xlink:to="lab_ecd_DvddsOrOthrErngsPdOnEqtyAwrdsNtOthrwsRflctdInTtlCompForCvrdYrMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ConsolidatedClosAndDebtFundMember_978ffab2-3df0-4d01-a11a-f6e0afb5e226_terseLabel_en-US" xlink:label="lab_abr_ConsolidatedClosAndDebtFundMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CLOs and Debt Fund</link:label>
    <link:label id="lab_abr_ConsolidatedClosAndDebtFundMember_label_en-US" xlink:label="lab_abr_ConsolidatedClosAndDebtFundMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">CLOs and Debt Fund</link:label>
    <link:label id="lab_abr_ConsolidatedClosAndDebtFundMember_documentation_en-US" xlink:label="lab_abr_ConsolidatedClosAndDebtFundMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to consolidated CLOs and Debt Fund.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ConsolidatedClosAndDebtFundMember" xlink:href="abr-20240930.xsd#abr_ConsolidatedClosAndDebtFundMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ConsolidatedClosAndDebtFundMember" xlink:to="lab_abr_ConsolidatedClosAndDebtFundMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_3f2eb0ec-c288-4a60-a934-84c2ffecdf1c_terseLabel_en-US" xlink:label="lab_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing Receivable, Allowance for Credit Loss [Table]</link:label>
    <link:label id="lab_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_label_en-US" xlink:label="lab_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Allowance for Credit Loss [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:to="lab_us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_ProceedsFromPayoffsAndPaydownsOfSecuritiesHeldToMaturity_4c1d8a4f-07af-44b3-9523-6e77d213487b_terseLabel_en-US" xlink:label="lab_abr_ProceedsFromPayoffsAndPaydownsOfSecuritiesHeldToMaturity" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Payoffs and paydowns of securities held-to-maturity</link:label>
    <link:label id="lab_abr_ProceedsFromPayoffsAndPaydownsOfSecuritiesHeldToMaturity_label_en-US" xlink:label="lab_abr_ProceedsFromPayoffsAndPaydownsOfSecuritiesHeldToMaturity" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds From Payoffs And Paydowns of Securities Held-To-Maturity</link:label>
    <link:label id="lab_abr_ProceedsFromPayoffsAndPaydownsOfSecuritiesHeldToMaturity_documentation_en-US" xlink:label="lab_abr_ProceedsFromPayoffsAndPaydownsOfSecuritiesHeldToMaturity" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the cash inflow during the reporting period in respect of payoffs and paydowns of securities held to maturity by the reporting entity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_ProceedsFromPayoffsAndPaydownsOfSecuritiesHeldToMaturity" xlink:href="abr-20240930.xsd#abr_ProceedsFromPayoffsAndPaydownsOfSecuritiesHeldToMaturity"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_ProceedsFromPayoffsAndPaydownsOfSecuritiesHeldToMaturity" xlink:to="lab_abr_ProceedsFromPayoffsAndPaydownsOfSecuritiesHeldToMaturity" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentFiscalYearFocus_32264f9b-188b-41a0-8bda-96b87d60985e_terseLabel_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:label id="lab_dei_DocumentFiscalYearFocus_label_en-US" xlink:label="lab_dei_DocumentFiscalYearFocus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Fiscal Year Focus</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentFiscalYearFocus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentFiscalYearFocus" xlink:to="lab_dei_DocumentFiscalYearFocus" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_DebtInstrumentNameDomain_2098d597-2196-4b27-ada0-e0807db467a4_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentNameDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument, Name [Domain]</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentNameDomain_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentNameDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Name [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DebtInstrumentNameDomain" xlink:to="lab_us-gaap_DebtInstrumentNameDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentPeriodEndDate_f08f90c2-00d7-41e3-bbde-16884572bfe9_terseLabel_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Period End Date</link:label>
    <link:label id="lab_dei_DocumentPeriodEndDate_label_en-US" xlink:label="lab_dei_DocumentPeriodEndDate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Period End Date</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentPeriodEndDate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentPeriodEndDate" xlink:to="lab_dei_DocumentPeriodEndDate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SubsidiarySaleOfStockAxis_1bd8a900-746f-41ab-b868-62858478b182_terseLabel_en-US" xlink:label="lab_us-gaap_SubsidiarySaleOfStockAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sale of Stock [Axis]</link:label>
    <link:label id="lab_us-gaap_SubsidiarySaleOfStockAxis_label_en-US" xlink:label="lab_us-gaap_SubsidiarySaleOfStockAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sale of Stock [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SubsidiarySaleOfStockAxis" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SubsidiarySaleOfStockAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SubsidiarySaleOfStockAxis" xlink:to="lab_us-gaap_SubsidiarySaleOfStockAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LossContingencyAccrualProvision_22dceff5-f834-4dba-94f3-ac39a715edef_verboseLabel_en-US" xlink:label="lab_us-gaap_LossContingencyAccrualProvision" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Provision for loss sharing (net of recoveries)</link:label>
    <link:label id="lab_us-gaap_LossContingencyAccrualProvision_682e3b57-d02f-43f6-b8fa-c00da60ff932_terseLabel_en-US" xlink:label="lab_us-gaap_LossContingencyAccrualProvision" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Provisions for loss sharing</link:label>
    <link:label id="lab_us-gaap_LossContingencyAccrualProvision_label_en-US" xlink:label="lab_us-gaap_LossContingencyAccrualProvision" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loss Contingency Accrual, Provision</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyAccrualProvision" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LossContingencyAccrualProvision"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LossContingencyAccrualProvision" xlink:to="lab_us-gaap_LossContingencyAccrualProvision" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_5a80f02b-13f5-4462-8ec6-97d3b121af5f_totalLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:type="resource" xml:lang="en-US">Total</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, to be Paid</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_NumberOfOfficers_9bfd95f8-5396-42ef-a0a0-1183b989cda2_terseLabel_en-US" xlink:label="lab_abr_NumberOfOfficers" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of officers making minority equity investments</link:label>
    <link:label id="lab_abr_NumberOfOfficers_label_en-US" xlink:label="lab_abr_NumberOfOfficers" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Number of Officers</link:label>
    <link:label id="lab_abr_NumberOfOfficers_documentation_en-US" xlink:label="lab_abr_NumberOfOfficers" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Number of Officers</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_NumberOfOfficers" xlink:href="abr-20240930.xsd#abr_NumberOfOfficers"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_NumberOfOfficers" xlink:to="lab_abr_NumberOfOfficers" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LineOfCreditFacilityLenderDomain_641199d8-cd08-4a66-9d93-07ada968e679_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLenderDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Lender [Domain]</link:label>
    <link:label id="lab_us-gaap_LineOfCreditFacilityLenderDomain_label_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityLenderDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Line of Credit Facility, Lender [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLenderDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LineOfCreditFacilityLenderDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LineOfCreditFacilityLenderDomain" xlink:to="lab_us-gaap_LineOfCreditFacilityLenderDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_InsiderTradingArrLineItems_label_en-US" xlink:label="lab_ecd_InsiderTradingArrLineItems" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Insider Trading Arrangements [Line Items]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_InsiderTradingArrLineItems" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_InsiderTradingArrLineItems"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_InsiderTradingArrLineItems" xlink:to="lab_ecd_InsiderTradingArrLineItems" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_SpecialMentionMember_3977348a-ba3d-40b6-a435-5046445462e1_terseLabel_en-US" xlink:label="lab_us-gaap_SpecialMentionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Special Mention</link:label>
    <link:label id="lab_us-gaap_SpecialMentionMember_label_en-US" xlink:label="lab_us-gaap_SpecialMentionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Special Mention [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SpecialMentionMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_SpecialMentionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_SpecialMentionMember" xlink:to="lab_us-gaap_SpecialMentionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RealEstateAbstract_label_en-US" xlink:label="lab_us-gaap_RealEstateAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate [Abstract]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RealEstateAbstract" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RealEstateAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RealEstateAbstract" xlink:to="lab_us-gaap_RealEstateAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_72f40088-b51a-4960-8b13-7a848eed8bb3_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2027</link:label>
    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree_label_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Lessee, Operating Lease, Liability, to be Paid, Year Three</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearThree" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_InterestIncomeOperating_4d8ef7cd-66a6-4965-8bfa-824675f25336_terseLabel_en-US" xlink:label="lab_us-gaap_InterestIncomeOperating" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest income</link:label>
    <link:label id="lab_us-gaap_InterestIncomeOperating_label_en-US" xlink:label="lab_us-gaap_InterestIncomeOperating" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Income, Operating</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestIncomeOperating" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_InterestIncomeOperating"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_InterestIncomeOperating" xlink:to="lab_us-gaap_InterestIncomeOperating" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_LoansHeldToMaturityFairValueDisclosure_62cf3541-f3eb-43a9-bc49-0792a83b7012_terseLabel_en-US" xlink:label="lab_abr_LoansHeldToMaturityFairValueDisclosure" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Impaired loans, fair value</link:label>
    <link:label id="lab_abr_LoansHeldToMaturityFairValueDisclosure_label_en-US" xlink:label="lab_abr_LoansHeldToMaturityFairValueDisclosure" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Loans Held-to-maturity, Fair Value Disclosure</link:label>
    <link:label id="lab_abr_LoansHeldToMaturityFairValueDisclosure_documentation_en-US" xlink:label="lab_abr_LoansHeldToMaturityFairValueDisclosure" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Fair value portion of loans held-to-maturity.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_LoansHeldToMaturityFairValueDisclosure" xlink:href="abr-20240930.xsd#abr_LoansHeldToMaturityFairValueDisclosure"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_LoansHeldToMaturityFairValueDisclosure" xlink:to="lab_abr_LoansHeldToMaturityFairValueDisclosure" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableModifiedInPeriodWeightedAverageAccrualRate_453ea29a-b89a-4b4d-a98b-8397bbb9885b_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableModifiedInPeriodWeightedAverageAccrualRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing receivable, accrual rate</link:label>
    <link:label id="lab_abr_FinancingReceivableModifiedInPeriodWeightedAverageAccrualRate_label_en-US" xlink:label="lab_abr_FinancingReceivableModifiedInPeriodWeightedAverageAccrualRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Modified In Period, Weighted Average Accrual Rate</link:label>
    <link:label id="lab_abr_FinancingReceivableModifiedInPeriodWeightedAverageAccrualRate_documentation_en-US" xlink:label="lab_abr_FinancingReceivableModifiedInPeriodWeightedAverageAccrualRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Modified In Period, Weighted Average Accrual Rate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableModifiedInPeriodWeightedAverageAccrualRate" xlink:href="abr-20240930.xsd#abr_FinancingReceivableModifiedInPeriodWeightedAverageAccrualRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableModifiedInPeriodWeightedAverageAccrualRate" xlink:to="lab_abr_FinancingReceivableModifiedInPeriodWeightedAverageAccrualRate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription_f060efad-5a0f-4ec7-b589-6daf2a2b6740_terseLabel_en-US" xlink:label="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reclassification</link:label>
    <link:label id="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription_label_en-US" xlink:label="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Reclassification, Comparability Adjustment [Policy Text Block]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_PriorPeriodReclassificationAdjustmentDescription"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:to="lab_us-gaap_PriorPeriodReclassificationAdjustmentDescription" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_DocumentTransitionReport_8e13b165-de0a-40c7-a241-fcaacc9d93df_terseLabel_en-US" xlink:label="lab_dei_DocumentTransitionReport" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Document Transition Report</link:label>
    <link:label id="lab_dei_DocumentTransitionReport_label_en-US" xlink:label="lab_dei_DocumentTransitionReport" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Document Transition Report</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_DocumentTransitionReport"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_DocumentTransitionReport" xlink:to="lab_dei_DocumentTransitionReport" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_JointRepurchaseFacility1.00BillionMember_9f793919-1c4e-4fb3-b8ec-c53940b756b8_terseLabel_en-US" xlink:label="lab_abr_JointRepurchaseFacility1.00BillionMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">$1B repurchase facility</link:label>
    <link:label id="lab_abr_JointRepurchaseFacility1.00BillionMember_label_en-US" xlink:label="lab_abr_JointRepurchaseFacility1.00BillionMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Joint Repurchase Facility 1.00 Billion [Member]</link:label>
    <link:label id="lab_abr_JointRepurchaseFacility1.00BillionMember_documentation_en-US" xlink:label="lab_abr_JointRepurchaseFacility1.00BillionMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to $1.00 billion joint repurchase facility.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_JointRepurchaseFacility1.00BillionMember" xlink:href="abr-20240930.xsd#abr_JointRepurchaseFacility1.00BillionMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_JointRepurchaseFacility1.00BillionMember" xlink:to="lab_abr_JointRepurchaseFacility1.00BillionMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FederalHousingAdministrationLoansMember_4b17f1db-f39d-4cdb-81af-db934c784e24_terseLabel_en-US" xlink:label="lab_abr_FederalHousingAdministrationLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">FHA</link:label>
    <link:label id="lab_abr_FederalHousingAdministrationLoansMember_label_en-US" xlink:label="lab_abr_FederalHousingAdministrationLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Federal Housing Administration Loans [Member]</link:label>
    <link:label id="lab_abr_FederalHousingAdministrationLoansMember_documentation_en-US" xlink:label="lab_abr_FederalHousingAdministrationLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">This member represents the information pertaining to loans under Federal Housing Administration (FHA).</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FederalHousingAdministrationLoansMember" xlink:href="abr-20240930.xsd#abr_FederalHousingAdministrationLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FederalHousingAdministrationLoansMember" xlink:to="lab_abr_FederalHousingAdministrationLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_PreferredEquityInvestmentsInMortgageLoansMember_69f1deae-0519-4397-ae63-6b35461641f4_terseLabel_en-US" xlink:label="lab_abr_PreferredEquityInvestmentsInMortgageLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Preferred equity investments</link:label>
    <link:label id="lab_abr_PreferredEquityInvestmentsInMortgageLoansMember_label_en-US" xlink:label="lab_abr_PreferredEquityInvestmentsInMortgageLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Preferred Equity Investments In Mortgage Loans [Member]</link:label>
    <link:label id="lab_abr_PreferredEquityInvestmentsInMortgageLoansMember_documentation_en-US" xlink:label="lab_abr_PreferredEquityInvestmentsInMortgageLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents the entity's preferred equity investments in mortgage loans on real estate.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_PreferredEquityInvestmentsInMortgageLoansMember" xlink:href="abr-20240930.xsd#abr_PreferredEquityInvestmentsInMortgageLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_PreferredEquityInvestmentsInMortgageLoansMember" xlink:to="lab_abr_PreferredEquityInvestmentsInMortgageLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FederalNationalMortgageAssociationFnmaInsuredLoansMember_0eec5e14-58fc-42c9-b695-7f7ae23aca18_terseLabel_en-US" xlink:label="lab_us-gaap_FederalNationalMortgageAssociationFnmaInsuredLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Federal National Mortgage Association (FNMA)</link:label>
    <link:label id="lab_us-gaap_FederalNationalMortgageAssociationFnmaInsuredLoansMember_label_en-US" xlink:label="lab_us-gaap_FederalNationalMortgageAssociationFnmaInsuredLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Federal National Mortgage Association (FNMA) [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FederalNationalMortgageAssociationFnmaInsuredLoansMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FederalNationalMortgageAssociationFnmaInsuredLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FederalNationalMortgageAssociationFnmaInsuredLoansMember" xlink:to="lab_us-gaap_FederalNationalMortgageAssociationFnmaInsuredLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_PercentageOfInterestRealEstateGeneralPartnershipInterest_6efddfd4-ea68-4aff-b7d5-ad01042862a7_terseLabel_en-US" xlink:label="lab_abr_PercentageOfInterestRealEstateGeneralPartnershipInterest" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">General partnership interest</link:label>
    <link:label id="lab_abr_PercentageOfInterestRealEstateGeneralPartnershipInterest_label_en-US" xlink:label="lab_abr_PercentageOfInterestRealEstateGeneralPartnershipInterest" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage Of Interest, Real Estate, General Partnership Interest</link:label>
    <link:label id="lab_abr_PercentageOfInterestRealEstateGeneralPartnershipInterest_documentation_en-US" xlink:label="lab_abr_PercentageOfInterestRealEstateGeneralPartnershipInterest" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage Of Interest, Real Estate, General Partnership Interest</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_PercentageOfInterestRealEstateGeneralPartnershipInterest" xlink:href="abr-20240930.xsd#abr_PercentageOfInterestRealEstateGeneralPartnershipInterest"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_PercentageOfInterestRealEstateGeneralPartnershipInterest" xlink:to="lab_abr_PercentageOfInterestRealEstateGeneralPartnershipInterest" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_eb4ead52-6555-4383-b1ba-807431d0cb5f_terseLabel_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Fair Value, Recurring and Nonrecurring [Table]</link:label>
    <link:label id="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_label_en-US" xlink:label="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Fair Value, Recurring and Nonrecurring [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:to="lab_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_NameOfMajorCustomerDomain_8f59074d-fa63-4fc2-a854-a8c1ef4e1323_terseLabel_en-US" xlink:label="lab_srt_NameOfMajorCustomerDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Customer [Domain]</link:label>
    <link:label id="lab_srt_NameOfMajorCustomerDomain_label_en-US" xlink:label="lab_srt_NameOfMajorCustomerDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Customer [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_NameOfMajorCustomerDomain" xlink:to="lab_srt_NameOfMajorCustomerDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_dei_EntityCurrentReportingStatus_4d621dfb-4a23-4fee-9f1b-3657de7cd465_terseLabel_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Entity Current Reporting Status</link:label>
    <link:label id="lab_dei_EntityCurrentReportingStatus_label_en-US" xlink:label="lab_dei_EntityCurrentReportingStatus" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity Current Reporting Status</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus" xlink:href="https://xbrl.sec.gov/dei/2024/dei-2024.xsd#dei_EntityCurrentReportingStatus"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_dei_EntityCurrentReportingStatus" xlink:to="lab_dei_EntityCurrentReportingStatus" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RetainedEarningsMember_ab0c33b1-95a5-42e7-9235-4d6e9393012b_verboseLabel_en-US" xlink:label="lab_us-gaap_RetainedEarningsMember" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Retained Earnings</link:label>
    <link:label id="lab_us-gaap_RetainedEarningsMember_label_en-US" xlink:label="lab_us-gaap_RetainedEarningsMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Retained Earnings [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RetainedEarningsMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RetainedEarningsMember" xlink:to="lab_us-gaap_RetainedEarningsMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_AmortizationOfFinancingCosts_1e43ac1d-d10d-4a74-a593-e58932103db4_terseLabel_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCosts" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred fees expensed as interest expense</link:label>
    <link:label id="lab_us-gaap_AmortizationOfFinancingCosts_label_en-US" xlink:label="lab_us-gaap_AmortizationOfFinancingCosts" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Amortization of Debt Issuance Costs</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfFinancingCosts" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_AmortizationOfFinancingCosts"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_AmortizationOfFinancingCosts" xlink:to="lab_us-gaap_AmortizationOfFinancingCosts" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfOtherRealEstate_b54f5b7c-ebb1-4f82-9073-0ee156cdbed4_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfOtherRealEstate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sale of REO asset</link:label>
    <link:label id="lab_us-gaap_ProceedsFromSaleOfOtherRealEstate_label_en-US" xlink:label="lab_us-gaap_ProceedsFromSaleOfOtherRealEstate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Sale of Other Real Estate</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromSaleOfOtherRealEstate" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ProceedsFromSaleOfOtherRealEstate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ProceedsFromSaleOfOtherRealEstate" xlink:to="lab_us-gaap_ProceedsFromSaleOfOtherRealEstate" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_ServicingAssetsAtAmortizedValueTable_fd84a8c0-1b04-4359-b731-433fa7485719_terseLabel_en-US" xlink:label="lab_us-gaap_ServicingAssetsAtAmortizedValueTable" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Servicing Asset at Amortized Cost [Table]</link:label>
    <link:label id="lab_us-gaap_ServicingAssetsAtAmortizedValueTable_label_en-US" xlink:label="lab_us-gaap_ServicingAssetsAtAmortizedValueTable" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Servicing Asset at Amortized Cost [Table]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ServicingAssetsAtAmortizedValueTable" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_ServicingAssetsAtAmortizedValueTable"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ServicingAssetsAtAmortizedValueTable" xlink:to="lab_us-gaap_ServicingAssetsAtAmortizedValueTable" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_InterestCoverageAbstract_9887b1e9-3757-43a0-a272-790af5fb65c1_terseLabel_en-US" xlink:label="lab_abr_InterestCoverageAbstract" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Interest Coverage [Abstract]</link:label>
    <link:label id="lab_abr_InterestCoverageAbstract_label_en-US" xlink:label="lab_abr_InterestCoverageAbstract" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Interest Coverage [Abstract]</link:label>
    <link:label id="lab_abr_InterestCoverageAbstract_documentation_en-US" xlink:label="lab_abr_InterestCoverageAbstract" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Interest Coverage</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_InterestCoverageAbstract" xlink:href="abr-20240930.xsd#abr_InterestCoverageAbstract"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_InterestCoverageAbstract" xlink:to="lab_abr_InterestCoverageAbstract" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember_97c0af9e-9f3c-4bb6-a7da-7822fb8446ad_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financial Asset, Equal to or Greater than 90 Days Past Due [Member]</link:label>
    <link:label id="lab_us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember_label_en-US" xlink:label="lab_us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financial Asset, Equal to or Greater than 90 Days Past Due [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember" xlink:to="lab_us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_WeightedAverageServicingFeeRate_28f6e1ac-7df7-4a31-bb30-bada980b5f9b_verboseLabel_en-US" xlink:label="lab_abr_WeightedAverageServicingFeeRate" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">Weighted average servicing fee rate (basis points)</link:label>
    <link:label id="lab_abr_WeightedAverageServicingFeeRate_942eadd0-bda8-427f-a6b2-436226621e33_terseLabel_en-US" xlink:label="lab_abr_WeightedAverageServicingFeeRate" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Wtd. Avg. Servicing Fee Rate (basis points)</link:label>
    <link:label id="lab_abr_WeightedAverageServicingFeeRate_label_en-US" xlink:label="lab_abr_WeightedAverageServicingFeeRate" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Weighted Average Servicing Fee Rate</link:label>
    <link:label id="lab_abr_WeightedAverageServicingFeeRate_documentation_en-US" xlink:label="lab_abr_WeightedAverageServicingFeeRate" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents weighted average servicing fee rate.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_WeightedAverageServicingFeeRate" xlink:href="abr-20240930.xsd#abr_WeightedAverageServicingFeeRate"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_WeightedAverageServicingFeeRate" xlink:to="lab_abr_WeightedAverageServicingFeeRate" xlink:type="arc" order="1"/>
    <link:label id="lab_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_0cb11ab4-e7bb-42b1-a8b7-86d8823add08_terseLabel_en-US" xlink:label="lab_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Real Estate, Type of Property [Axis]</link:label>
    <link:label id="lab_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis_label_en-US" xlink:label="lab_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Real Estate, Type of Property [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis" xlink:href="https://xbrl.fasb.org/srt/2024/elts/srt-2024.xsd#srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis" xlink:to="lab_srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_PercentageOfVotingPower_c2e29fc9-8fda-456b-911b-949dbbb4f06e_terseLabel_en-US" xlink:label="lab_abr_PercentageOfVotingPower" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Voting power of outstanding stock, percentage</link:label>
    <link:label id="lab_abr_PercentageOfVotingPower_label_en-US" xlink:label="lab_abr_PercentageOfVotingPower" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Percentage of Voting Power</link:label>
    <link:label id="lab_abr_PercentageOfVotingPower_documentation_en-US" xlink:label="lab_abr_PercentageOfVotingPower" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents percentage of voting power of outstanding stock.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_PercentageOfVotingPower" xlink:href="abr-20240930.xsd#abr_PercentageOfVotingPower"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_PercentageOfVotingPower" xlink:to="lab_abr_PercentageOfVotingPower" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_AmacHoldingsIiiLlcMember_3794758c-5172-4ed0-b849-1f6511c4b407_terseLabel_en-US" xlink:label="lab_abr_AmacHoldingsIiiLlcMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">AMAC Holdings III LLC</link:label>
    <link:label id="lab_abr_AmacHoldingsIiiLlcMember_label_en-US" xlink:label="lab_abr_AmacHoldingsIiiLlcMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">AMAC Holdings III LLC [Member]</link:label>
    <link:label id="lab_abr_AmacHoldingsIiiLlcMember_documentation_en-US" xlink:label="lab_abr_AmacHoldingsIiiLlcMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to AMAC Holdings III LLC.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_AmacHoldingsIiiLlcMember" xlink:href="abr-20240930.xsd#abr_AmacHoldingsIiiLlcMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_AmacHoldingsIiiLlcMember" xlink:to="lab_abr_AmacHoldingsIiiLlcMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_FinancingReceivableModifiedWeightedAverageTermIncreaseFromModification_dd661521-59aa-455b-8edd-7131625c4117_terseLabel_en-US" xlink:label="lab_us-gaap_FinancingReceivableModifiedWeightedAverageTermIncreaseFromModification" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Financing receivable modified, weighted average term increase from modification</link:label>
    <link:label id="lab_us-gaap_FinancingReceivableModifiedWeightedAverageTermIncreaseFromModification_label_en-US" xlink:label="lab_us-gaap_FinancingReceivableModifiedWeightedAverageTermIncreaseFromModification" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Modified, Weighted Average Term Increase from Modification</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinancingReceivableModifiedWeightedAverageTermIncreaseFromModification" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_FinancingReceivableModifiedWeightedAverageTermIncreaseFromModification"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FinancingReceivableModifiedWeightedAverageTermIncreaseFromModification" xlink:to="lab_us-gaap_FinancingReceivableModifiedWeightedAverageTermIncreaseFromModification" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_RestrictedStockUnitsRSUMember_b1fc0a94-ec8a-42e8-993d-f5e7eb93ca51_terseLabel_en-US" xlink:label="lab_us-gaap_RestrictedStockUnitsRSUMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">RSUs</link:label>
    <link:label id="lab_us-gaap_RestrictedStockUnitsRSUMember_label_en-US" xlink:label="lab_us-gaap_RestrictedStockUnitsRSUMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Restricted Stock Units (RSUs) [Member]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedStockUnitsRSUMember" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_RestrictedStockUnitsRSUMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_RestrictedStockUnitsRSUMember" xlink:to="lab_us-gaap_RestrictedStockUnitsRSUMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_TemporaryInterestRateReliefThreeLoansMember_fbb7223f-7a09-4f62-bf25-a0924a50da4f_terseLabel_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefThreeLoansMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief, Three Loans</link:label>
    <link:label id="lab_abr_TemporaryInterestRateReliefThreeLoansMember_label_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefThreeLoansMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief, Three Loans [Member]</link:label>
    <link:label id="lab_abr_TemporaryInterestRateReliefThreeLoansMember_documentation_en-US" xlink:label="lab_abr_TemporaryInterestRateReliefThreeLoansMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Temporary Interest Rate Relief, Three Loans</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_TemporaryInterestRateReliefThreeLoansMember" xlink:href="abr-20240930.xsd#abr_TemporaryInterestRateReliefThreeLoansMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_TemporaryInterestRateReliefThreeLoansMember" xlink:to="lab_abr_TemporaryInterestRateReliefThreeLoansMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_cd56ae0b-28c9-43bf-925a-47ba00f38190_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Stockholders' Equity</link:label>
    <link:label id="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward_label_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Increase (Decrease) in Stockholders' Equity [Roll Forward]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:to="lab_us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_ExecutiveCategoryAxis_terseLabel_en-US" xlink:label="lab_ecd_ExecutiveCategoryAxis" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Executive Category:</link:label>
    <link:label id="lab_ecd_ExecutiveCategoryAxis_label_en-US" xlink:label="lab_ecd_ExecutiveCategoryAxis" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Executive Category [Axis]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_ExecutiveCategoryAxis" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_ExecutiveCategoryAxis"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_ExecutiveCategoryAxis" xlink:to="lab_ecd_ExecutiveCategoryAxis" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_CollateralizedLoanObligationsSixteenMember_5c429424-0988-420c-9e2d-9164f8cecc88_terseLabel_en-US" xlink:label="lab_abr_CollateralizedLoanObligationsSixteenMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">CLO 16</link:label>
    <link:label id="lab_abr_CollateralizedLoanObligationsSixteenMember_label_en-US" xlink:label="lab_abr_CollateralizedLoanObligationsSixteenMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Collateralized Loan Obligations Sixteen [Member]</link:label>
    <link:label id="lab_abr_CollateralizedLoanObligationsSixteenMember_documentation_en-US" xlink:label="lab_abr_CollateralizedLoanObligationsSixteenMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents information pertaining to a collateralized securitization vehicles ("CLO XVI").</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_CollateralizedLoanObligationsSixteenMember" xlink:href="abr-20240930.xsd#abr_CollateralizedLoanObligationsSixteenMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_CollateralizedLoanObligationsSixteenMember" xlink:to="lab_abr_CollateralizedLoanObligationsSixteenMember" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_SettlementOfMortgageLoan_6420d1b0-ad20-4f2a-8a86-4c95f9e418b9_terseLabel_en-US" xlink:label="lab_abr_SettlementOfMortgageLoan" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Settlement of loans and investments, net of real estate</link:label>
    <link:label id="lab_abr_SettlementOfMortgageLoan_label_en-US" xlink:label="lab_abr_SettlementOfMortgageLoan" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Settlement Of Mortgage Loan</link:label>
    <link:label id="lab_abr_SettlementOfMortgageLoan_documentation_en-US" xlink:label="lab_abr_SettlementOfMortgageLoan" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Settlement Of Mortgage Loan</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_SettlementOfMortgageLoan" xlink:href="abr-20240930.xsd#abr_SettlementOfMortgageLoan"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_SettlementOfMortgageLoan" xlink:to="lab_abr_SettlementOfMortgageLoan" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_FinancingReceivableNonaccrualIncreaseInLoansExperiencingLateAndPartialPaymentsDuringThePeriod_682e8e0f-1ea4-4e23-856b-ec1589e4edac_terseLabel_en-US" xlink:label="lab_abr_FinancingReceivableNonaccrualIncreaseInLoansExperiencingLateAndPartialPaymentsDuringThePeriod" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Additional loans that are now less than 60 days past due experiencing late and partial payments</link:label>
    <link:label id="lab_abr_FinancingReceivableNonaccrualIncreaseInLoansExperiencingLateAndPartialPaymentsDuringThePeriod_label_en-US" xlink:label="lab_abr_FinancingReceivableNonaccrualIncreaseInLoansExperiencingLateAndPartialPaymentsDuringThePeriod" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Financing Receivable, Nonaccrual, Increase In Loans Experiencing Late And Partial Payments During The Period</link:label>
    <link:label id="lab_abr_FinancingReceivableNonaccrualIncreaseInLoansExperiencingLateAndPartialPaymentsDuringThePeriod_documentation_en-US" xlink:label="lab_abr_FinancingReceivableNonaccrualIncreaseInLoansExperiencingLateAndPartialPaymentsDuringThePeriod" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Financing Receivable, Nonaccrual, Increase In Loans Experiencing Late And Partial Payments During The Period</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_FinancingReceivableNonaccrualIncreaseInLoansExperiencingLateAndPartialPaymentsDuringThePeriod" xlink:href="abr-20240930.xsd#abr_FinancingReceivableNonaccrualIncreaseInLoansExperiencingLateAndPartialPaymentsDuringThePeriod"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_FinancingReceivableNonaccrualIncreaseInLoansExperiencingLateAndPartialPaymentsDuringThePeriod" xlink:to="lab_abr_FinancingReceivableNonaccrualIncreaseInLoansExperiencingLateAndPartialPaymentsDuringThePeriod" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_OneMultifamilyPropertyMember_d2a5a370-86e1-4513-97eb-47848fe9d3eb_terseLabel_en-US" xlink:label="lab_abr_OneMultifamilyPropertyMember" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">One multifamily property</link:label>
    <link:label id="lab_abr_OneMultifamilyPropertyMember_label_en-US" xlink:label="lab_abr_OneMultifamilyPropertyMember" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">One multifamily property</link:label>
    <link:label id="lab_abr_OneMultifamilyPropertyMember_documentation_en-US" xlink:label="lab_abr_OneMultifamilyPropertyMember" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Information pertaining to a single multifamily property.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_OneMultifamilyPropertyMember" xlink:href="abr-20240930.xsd#abr_OneMultifamilyPropertyMember"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_OneMultifamilyPropertyMember" xlink:to="lab_abr_OneMultifamilyPropertyMember" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities_628346e7-21ea-415e-a5bc-62025006b7c5_terseLabel_en-US" xlink:label="lab_us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Dilutive effect of convertible notes (in shares)</link:label>
    <link:label id="lab_us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities_label_en-US" xlink:label="lab_us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities" xlink:to="lab_us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities" xlink:type="arc" order="1"/>
    <link:label id="lab_us-gaap_IncomeStatementLocationDomain_2aa09bb7-9b3a-4201-a404-ac8aa892a1f3_terseLabel_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationDomain" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Income Statement Location [Domain]</link:label>
    <link:label id="lab_us-gaap_IncomeStatementLocationDomain_label_en-US" xlink:label="lab_us-gaap_IncomeStatementLocationDomain" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Statement of Income Location, Balance [Domain]</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain" xlink:href="https://xbrl.fasb.org/us-gaap/2024/elts/us-gaap-2024.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_IncomeStatementLocationDomain" xlink:to="lab_us-gaap_IncomeStatementLocationDomain" xlink:type="arc" order="1"/>
    <link:label id="lab_abr_MaturityDateOfSeptember2019Member_9317e95f-b018-4215-b002-2f50ec84eb25_terseLabel_en-US" xlink:label="lab_abr_MaturityDateOfSeptember2019Member" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maturity date of September 2019</link:label>
    <link:label id="lab_abr_MaturityDateOfSeptember2019Member_label_en-US" xlink:label="lab_abr_MaturityDateOfSeptember2019Member" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Maturity date of September 2019 [Member]</link:label>
    <link:label id="lab_abr_MaturityDateOfSeptember2019Member_documentation_en-US" xlink:label="lab_abr_MaturityDateOfSeptember2019Member" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Represents loans receivable with the maturity date of September, 2019.</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_abr_MaturityDateOfSeptember2019Member" xlink:href="abr-20240930.xsd#abr_MaturityDateOfSeptember2019Member"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_abr_MaturityDateOfSeptember2019Member" xlink:to="lab_abr_MaturityDateOfSeptember2019Member" xlink:type="arc" order="1"/>
    <link:label id="lab_ecd_CoSelectedMeasureName_terseLabel_en-US" xlink:label="lab_ecd_CoSelectedMeasureName" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Company Selected Measure Name</link:label>
    <link:label id="lab_ecd_CoSelectedMeasureName_label_en-US" xlink:label="lab_ecd_CoSelectedMeasureName" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Company Selected Measure Name</link:label>
    <link:loc xlink:type="locator" xlink:label="loc_ecd_CoSelectedMeasureName" xlink:href="https://xbrl.sec.gov/ecd/2024/ecd-2024.xsd#ecd_CoSelectedMeasureName"/>
    <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_ecd_CoSelectedMeasureName" xlink:to="lab_ecd_CoSelectedMeasureName" xlink:type="arc" order="1"/>
  </link:labelLink>
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