XML 69 R60.htm IDEA: XBRL DOCUMENT
v3.23.2

Debt Obligations - Credit and Repurchase Facilities (Details) - USD ($) $ in Thousands | 1 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Apr. 30, 2023 | Mar. 31, 2023 | Jun. 30, 2023 | Dec. 31, 2022
Debt Obligations |  |  |  |
Debt Carrying Value |  |  | $ 3,579,080 | $ 3,841,814
Collateral Carrying Value |  |  | $ 4,892,112 | 5,185,293
Wtd. Avg. Note Rate |  |  | 7.34% |
Outstanding principal balance repaid |  |  | $ 47,400 |
Repurchase facility - securities | B Piece bonds |  |  |  |
Debt Obligations |  |  |  |
Collateral Carrying Value |  |  |  | 33,100
Structured Business |  |  |  |
Debt Obligations |  |  |  |
Debt Carrying Value |  |  | 3,115,792 | 3,536,371
Collateral Carrying Value |  |  | $ 4,421,186 | 4,845,753
Wtd. Avg. Note Rate |  |  | 7.47% |
Unamortized Deferred Financing Fees |  |  | $ 8,900 | $ 13,300
Weighted average note rate including certain fees and costs, percentage |  |  | 7.88% | 6.95%
Leverage on loans and investment portfolio financed through credit and repurchase facilities, excluding securities repurchase facility and working capital facility |  |  | 70.00% | 73.00%
Structured Business | $2.5B joint repurchase facility |  |  |  |
Debt Obligations |  |  |  |
Maximum borrowing capacity |  |  | $ 2,500,000 |
Debt Carrying Value |  |  | 1,109,720 | $ 1,516,657
Collateral Carrying Value |  |  | $ 1,670,162 | 2,099,447
Wtd. Avg. Note Rate |  |  | 7.48% |
Structured Business | $1B repurchase facility |  |  |  |
Debt Obligations |  |  |  |
Maximum borrowing capacity |  |  | $ 1,000,000 |
Debt Carrying Value |  |  | 386,371 | 498,666
Collateral Carrying Value |  |  | $ 553,113 | 703,740
Wtd. Avg. Note Rate |  |  | 7.23% |
Structured Business | $500M repurchase facility |  |  |  |
Debt Obligations |  |  |  |
Maximum borrowing capacity |  |  | $ 500,000 |
Debt Carrying Value |  |  | 335,284 | 154,653
Collateral Carrying Value |  |  | $ 455,940 | 188,563
Wtd. Avg. Note Rate |  |  | 8.14% |
Expiration period after the lender provides written notice |  |  | 6 months |
Additional period to repurchase the underlying loans |  |  | 6 months |
Structured Business | $499M repurchase facility |  |  |  |
Debt Obligations |  |  |  |
Maximum borrowing capacity |  |  | $ 499,000 |
Debt Carrying Value |  |  | 329,850 | 351,056
Collateral Carrying Value |  |  | $ 472,487 | 504,506
Wtd. Avg. Note Rate |  |  | 7.57% |
Structured Business | $450M repurchase facility |  |  |  |
Debt Obligations |  |  |  |
Maximum borrowing capacity |  |  | $ 450,000 |
Debt Carrying Value |  |  | 325,057 | 344,237
Collateral Carrying Value |  |  | $ 450,526 | 450,736
Wtd. Avg. Note Rate |  |  | 7.28% |
Structured Business | $450M repurchase facility | SOFR |  |  |  |
Debt Obligations |  |  |  |
Variable rate, spread |  | 2.00% |  |
Structured Business | $450M repurchase facility |  |  |  |
Debt Obligations |  |  |  |
Maximum borrowing capacity |  |  | $ 450,000 |
Debt Carrying Value |  |  | 93,160 | 186,639
Collateral Carrying Value |  |  | $ 120,947 | 239,678
Wtd. Avg. Note Rate |  |  | 6.95% |
Structured Business | $400M credit facility |  |  |  |
Debt Obligations |  |  |  |
Maximum borrowing capacity |  |  | $ 400,000 |
Debt Carrying Value |  |  | 18,459 | 33,221
Collateral Carrying Value |  |  | $ 23,088 | 43,238
Wtd. Avg. Note Rate |  |  | 7.18% |
Structured Business | $225M credit facility |  |  |  |
Debt Obligations |  |  |  |
Maximum borrowing capacity |  |  | $ 225,000 |
Debt Carrying Value |  |  | 89,280 | 47,398
Collateral Carrying Value |  |  | $ 132,160 | 81,119
Wtd. Avg. Note Rate |  |  | 7.75% |
Structured Business | $200M repurchase facility |  |  |  |
Debt Obligations |  |  |  |
Maximum borrowing capacity |  |  | $ 200,000 |
Debt Carrying Value |  |  | 60,514 | 32,494
Collateral Carrying Value |  |  | $ 85,979 | 47,750
Wtd. Avg. Note Rate |  |  | 7.75% |
Structured Business | $200M repurchase facility |  |  |  |
Debt Obligations |  |  |  |
Maximum borrowing capacity |  |  | $ 200,000 |
Debt Carrying Value |  |  | 115,566 | 154,516
Collateral Carrying Value |  |  | $ 148,244 | 200,099
Wtd. Avg. Note Rate |  |  | 7.14% |
Structured Business | $172M loan specific credit facilities |  |  |  |
Debt Obligations |  |  |  |
Maximum borrowing capacity |  |  | $ 172,000 |
Debt Carrying Value |  |  | 171,326 | 156,107
Collateral Carrying Value |  |  | $ 247,164 | 225,805
Wtd. Avg. Note Rate |  |  | 7.26% |
Structured Business | $50M credit facility |  |  |  |
Debt Obligations |  |  |  |
Maximum borrowing capacity |  |  | $ 50,000 |
Debt Carrying Value |  |  | 29,200 | 29,194
Collateral Carrying Value |  |  | $ 36,500 | 36,500
Wtd. Avg. Note Rate |  |  | 7.29% |
Structured Business | $40M credit facility |  |  |  |
Debt Obligations |  |  |  |
Maximum borrowing capacity |  |  | $ 40,000 |
Debt Carrying Value |  |  | 0 | 0
Collateral Carrying Value |  |  | $ 0 | 0
Wtd. Avg. Note Rate |  |  | 0.00% |
Structured Business | $35M working capital facility |  |  |  |
Debt Obligations |  |  |  |
Maximum borrowing capacity |  |  | $ 35,000 |
Debt Carrying Value |  |  | 0 | 0
Collateral Carrying Value |  |  | $ 0 | 0
Wtd. Avg. Note Rate |  |  | 0.00% |
Structured Business | $25M credit facility |  |  |  |
Debt Obligations |  |  |  |
Maximum borrowing capacity |  |  | $ 25,000 |
Debt Carrying Value |  |  | 18,905 | 18,701
Collateral Carrying Value |  |  | $ 24,876 | 24,572
Wtd. Avg. Note Rate |  |  | 7.80% |
Total committed amount | $ 25,000 |  |  |
Structured Business | Repurchase facility - securities |  |  |  |
Debt Obligations |  |  |  |
Debt Carrying Value |  |  | $ 33,100 | 12,832
Collateral Carrying Value |  |  | $ 0 | 0
Wtd. Avg. Note Rate |  |  | 6.93% |
Agency Business |  |  |  |
Debt Obligations |  |  |  |
Debt Carrying Value |  |  | $ 463,288 | 305,443
Collateral Carrying Value |  |  | $ 470,926 | 339,540
Wtd. Avg. Note Rate |  |  | 6.47% |
Unamortized Deferred Financing Fees |  |  | $ 600 | 900
Agency Business | $500M repurchase facility |  |  |  |
Debt Obligations |  |  |  |
Maximum borrowing capacity |  |  | 500,000 |
Debt Carrying Value |  |  | 220,848 | 66,778
Collateral Carrying Value |  |  | $ 222,701 | 66,866
Wtd. Avg. Note Rate |  |  | 6.52% |
Agency Business | $200M repurchase facility |  |  |  |
Debt Obligations |  |  |  |
Maximum borrowing capacity |  |  | $ 200,000 |
Debt Carrying Value |  |  | 112,158 | 31,475
Collateral Carrying Value |  |  | $ 112,881 | 33,177
Wtd. Avg. Note Rate |  |  | 6.49% |
Total committed amount |  | $ 200,000 |  |
Agency Business | $200M repurchase facility | SOFR |  |  |  |
Debt Obligations |  |  |  |
Variable rate, spread |  | 1.40% |  |
Agency Business | $50M credit facility |  |  |  |
Debt Obligations |  |  |  |
Maximum borrowing capacity |  |  | $ 50,000 |
Debt Carrying Value |  |  | 8,161 | 14,664
Collateral Carrying Value |  |  | $ 8,163 | 14,671
Wtd. Avg. Note Rate |  |  | 6.44% |
Agency Business | $750M ASAP agreement |  |  |  |
Debt Obligations |  |  |  |
Maximum borrowing capacity |  |  | $ 750,000 |
Debt Carrying Value |  |  | 114,018 | 29,476
Collateral Carrying Value |  |  | $ 114,938 | 30,291
Wtd. Avg. Note Rate |  |  | 6.21% |
Agency Business | $500M joint repurchase facility |  |  |  |
Debt Obligations |  |  |  |
Maximum borrowing capacity |  |  | $ 500,000 |
Debt Carrying Value |  |  | 7,569 | 104,629
Collateral Carrying Value |  |  | $ 11,350 | 135,641
Wtd. Avg. Note Rate |  |  | 8.36% |
Agency Business | $150M credit facility |  |  |  |
Debt Obligations |  |  |  |
Maximum borrowing capacity |  |  | $ 150,000 |
Debt Carrying Value |  |  | 0 | 57,887
Collateral Carrying Value |  |  | $ 0 | 57,974
Wtd. Avg. Note Rate |  |  | 0.00% |
Agency Business | $1M repurchase facility |  |  |  |
Debt Obligations |  |  |  |
Maximum borrowing capacity |  |  | $ 1,000 |
Debt Carrying Value |  |  | 534 | 534
Collateral Carrying Value |  |  | $ 893 | $ 920
Wtd. Avg. Note Rate |  |  | 7.42% |

X
- Definition The balance represents the carrying value of loans and securities held as collateral. + References No definition available. + Details
Name: | abr_CollateralCarryingValue
Namespace Prefix: | abr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition 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. + References No definition available. + Details
Name: | abr_DebtWeightedAverageInterestRateIncludingFeesAndCosts
Namespace Prefix: | abr_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Leverage capital divided by average loan and investment assets as defined in the agreements. + References No definition available. + Details
Name: | abr_LeverageCapitalToLoanAndInvestmentPortfolio
Namespace Prefix: | abr_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The additional period to repurchase the underlying loans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | abr_LineOfCreditFacilityAdditionalPeriodToRepurchaseUnderlyingLoans
Namespace Prefix: | abr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents debt instrument total commitment amount, under the option of temporarily increasing the amount that could be borrowed. + References No definition available. + Details
Name: | abr_LineOfCreditFacilityIncreaseInTotalCommitmentAmount
Namespace Prefix: | abr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The cash outflow of amount used for repaying the outstanding principal amount of debt. + References No definition available. + Details
Name: | abr_RepaymentAmountOfOutstandingPrincipalAmountOfDebt
Namespace Prefix: | abr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition 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. + References No definition available. + Details
Name: | abr_SecuredDebtRepurchaseAgreementsAndWarehouseAgreementBorrowings
Namespace Prefix: | abr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482900/835-30-50-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(f)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-3 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 5: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69B Reference 6: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69C -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69C Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69E -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69E Reference 8: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69F -Publisher FASB -URI https://asc.fasb.org//1943274/2147481568/470-20-55-69F Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 11: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1B Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1D Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1D Reference 17: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1D Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1E -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1E Reference 19: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1E -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1E Reference 20: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1E -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1E Reference 21: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1F -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1F Reference 22: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1F -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1F Reference 23: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1F -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1F Reference 24: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1F -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1F Reference 25: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1I -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1I + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Weighted average interest rate of debt outstanding. + References No definition available. + Details
Name: | us-gaap_DebtWeightedAverageInterestRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482925/835-30-45-3 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481139/470-20-50-1D + Details
Name: | us-gaap_DeferredFinanceCostsNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityExpirationPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_DebtInstrumentAxis=abr_WarehouseRepurchaseFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancialInstrumentAxis=abr_BPieceBondsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=abr_StructuredTransactionBusinessSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=abr_JointRepurchaseFacility2.5BillionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=abr_JointRepurchaseFacility1.00BillionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=abr_WarehouseRepurchaseFacility500MillionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=abr_WarehouseRepurchaseFacility499MillionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=abr_WarehouseRepurchaseFacility450MillionWithExtendedMaturityOfMarch2026Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=abr_WarehouseRepurchaseFacility450MillionWithExtendedMaturityOfOctober2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=abr_CreditFacility400MillionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=abr_CreditFacility225millionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=abr_RepurchaseFacility200MillionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=abr_CreditFacility200millionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=abr_LoanSpecificCreditFacilities172MillionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=abr_CreditFacility50MillionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=abr_CreditFacility40MillionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=abr_WorkingCapitalFacility35MillionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=abr_CreditFacility25MillionOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=abr_AgencyBusinessSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=abr_AsapAgreement750MillionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=abr_JointRepurchaseFacility500MillionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=abr_CreditFacility150MillionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=abr_SingleFamilyRentalPropertiesRepurchaseFacility1.0MillionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |