XML 128 R114.htm IDEA: XBRL DOCUMENT
v3.24.0.1

SCHEDULE IV - LOANS AND OTHER LENDING INVESTMENTS (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 USD ($)
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Prior Liens | $ 1,672,775
Carrying value of loans | 12,615,006
Carrying Amount | 12,377,806
Amount of loans extended | 1,740,000
Federal income tax basis | $ 12,620,000
Threshold for reporting loans (as a percent) | 3.00%
Bridge Loans |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Carrying value of loans | $ 12,273,244
Carrying Amount | 12,052,895
Bridge Loans | Loans less than 3% |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Carrying value of loans | 12,273,244
Carrying Amount | 12,052,895
Mezzanine Loans | Loans less than 3% |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Prior Liens | 1,203,261
Carrying value of loans | 248,457
Carrying Amount | 238,441
Preferred Equity Investments | Loans less than 3% |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Prior Liens | 469,514
Carrying value of loans | 85,741
Carrying Amount | 78,930
Other Loans | Loans less than 3% |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Carrying value of loans | 7,564
Carrying Amount | 7,540
Multifamily | Bridge Loans | Loans less than 3% |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Carrying value of loans | 10,789,936
Carrying Amount | $ 10,665,252
Multifamily | Bridge Loans | Loans less than 3% | Minimum |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Fixed interest rate (as a percent) | 3.00%
Multifamily | Bridge Loans | Loans less than 3% | Minimum | Secured Overnight Financing Rate (SOFR) |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Base spread (as a percent) | 0.00%
Floor rate (as a percent) | 0.10%
Multifamily | Bridge Loans | Loans less than 3% | Maximum |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Fixed interest rate (as a percent) | 12.00%
Multifamily | Bridge Loans | Loans less than 3% | Maximum | Secured Overnight Financing Rate (SOFR) |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Base spread (as a percent) | 5.75%
Floor rate (as a percent) | 5.36%
Multifamily | Mezzanine Loans | Loans less than 3% |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Prior Liens | $ 1,203,261
Carrying value of loans | 232,104
Carrying Amount | $ 223,008
Multifamily | Mezzanine Loans | Loans less than 3% | Minimum |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Fixed interest rate (as a percent) | 3.50%
Multifamily | Mezzanine Loans | Loans less than 3% | Maximum |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Fixed interest rate (as a percent) | 14.00%
Multifamily | Preferred Equity Investments | Loans less than 3% |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Prior Liens | $ 439,722
Carrying value of loans | 75,941
Carrying Amount | $ 71,020
Multifamily | Preferred Equity Investments | Loans less than 3% | Minimum |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Fixed interest rate (as a percent) | 0.00%
Multifamily | Preferred Equity Investments | Loans less than 3% | Maximum |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Fixed interest rate (as a percent) | 16.00%
Single‑Family Rental | Bridge Loans | Loans less than 3% |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Carrying value of loans | $ 1,316,803
Carrying Amount | $ 1,301,522
Single‑Family Rental | Bridge Loans | Loans less than 3% | Minimum | Secured Overnight Financing Rate (SOFR) |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Base spread (as a percent) | 0.00%
Floor rate (as a percent) | 0.10%
Single‑Family Rental | Bridge Loans | Loans less than 3% | Maximum | Secured Overnight Financing Rate (SOFR) |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Base spread (as a percent) | 6.25%
Floor rate (as a percent) | 5.36%
Single‑Family Rental | Other Loans | Loans less than 3% |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Carrying value of loans | $ 7,564
Carrying Amount | $ 7,540
Single‑Family Rental | Other Loans | Loans less than 3% | Secured Overnight Financing Rate (SOFR) |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Floor rate (as a percent) | 0.25%
Single‑Family Rental | Other Loans | Loans less than 3% | Minimum | Secured Overnight Financing Rate (SOFR) |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Base spread (as a percent) | 3.98%
Single‑Family Rental | Other Loans | Loans less than 3% | Maximum | Secured Overnight Financing Rate (SOFR) |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Base spread (as a percent) | 4.90%
Land | Bridge Loans | Loans less than 3% |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Fixed interest rate (as a percent) | 0.00%
Carrying value of loans | $ 118,595
Carrying Amount | $ 40,726
Land | Bridge Loans | Loans less than 3% | Secured Overnight Financing Rate (SOFR) |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Base spread (as a percent) | 4.00%
Floor rate (as a percent) | 0.15%
Land | Mezzanine Loans | Loans less than 3% |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Fixed interest rate (as a percent) | 0.00%
Carrying value of loans | $ 9,333
Carrying Amount | $ 9,333
Land | Preferred Equity Investments | Loans less than 3% |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Fixed interest rate (as a percent) | 0.00%
Carrying value of loans | $ 8,100
Carrying Amount | 7,910
Office | Bridge Loans | Loans less than 3% |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Carrying value of loans | 35,410
Carrying Amount | $ 35,268
Office | Bridge Loans | Loans less than 3% | Secured Overnight Financing Rate (SOFR) |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Base spread (as a percent) | 3.50%
Retail | Bridge Loans | Loans less than 3% |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Carrying value of loans | $ 12,500
Carrying Amount | $ 10,127
Retail | Bridge Loans | Loans less than 3% | Minimum | Secured Overnight Financing Rate (SOFR) |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Base spread (as a percent) | 3.50%
Floor rate (as a percent) | 1.00%
Retail | Mezzanine Loans | Loans less than 3% |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Fixed interest rate (as a percent) | 12.00%
Prior Liens | $ 0
Carrying value of loans | 7,020
Carrying Amount | $ 6,100
Retail | Mezzanine Loans | Loans less than 3% | Secured Overnight Financing Rate (SOFR) |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Base spread (as a percent) | 3.50%
Floor rate (as a percent) | 1.00%
Commercial | Preferred Equity Investments | Loans less than 3% |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |
Fixed interest rate (as a percent) | 6.00%
Prior Liens | $ 29,792
Carrying value of loans | $ 1,700

X
- Definition The carrying value of loans derived after deducting unearned revenue and other holdbacks. + References No definition available. + Details
Name: | abr_LoanCarryingValue
Namespace Prefix: | abr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the minimum LIBOR rate on the loans receivable. + References No definition available. + Details
Name: | abr_LoansReceivableFloorRate
Namespace Prefix: | abr_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The threshold percentage for reporting loans in the schedule of mortgage loans on real estate. + References No definition available. + Details
Name: | abr_ThresholdPercentageForReportingLoans
Namespace Prefix: | abr_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of federal income tax basis of 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 29 -Footnote 8 -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 948 -SubTopic 310 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29(Footnote 8)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479851/948-310-S99-1 + Details
Name: | srt_MortgageLoansOnRealEstateFederalIncomeTaxBasis1
Namespace Prefix: | srt_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 29 -Paragraph Column B -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 948 -SubTopic 310 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29(Column B)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479851/948-310-S99-1 + Details
Name: | srt_MortgageLoansOnRealEstateInterestRate
Namespace Prefix: | srt_
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 -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 29 -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 948 -SubTopic 310 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479851/948-310-S99-1 + Details
Name: | srt_MortgageLoansOnRealEstateLineItems
Namespace Prefix: | srt_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of prior lien on real estate securing 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 29 -Paragraph Column E -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 948 -SubTopic 310 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29(Column E)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479851/948-310-S99-1 + Details
Name: | srt_MortgageLoansOnRealEstatePriorLiens1
Namespace Prefix: | srt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Percentage added to reference rate used to compute variable rate on loan receivable. + References No definition available. + Details
Name: | us-gaap_LoansReceivableBasisSpreadOnVariableRate
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 948 -SubTopic 310 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29(Column G)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479851/948-310-S99-1 + Details
Name: | us-gaap_MortgageLoansOnRealEstate
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of mortgage loan in 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, renewed or extended. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 948 -SubTopic 310 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29(Footnote 6)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479851/948-310-S99-1 + Details
Name: | us-gaap_MortgageLoansOnRealEstateRenewedAndExtendedAmount1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_BridgeLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionLoanCategoryAxis=abr_LoansLessThanThreePercentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=abr_MezzanineLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=abr_PreferredEquityInvestmentsInMortgageLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=abr_OtherLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=srt_MultifamilyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=abr_RealEstateSingleFamilyRentalMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_LandAndLandImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=srt_OfficeBuildingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=srt_RetailSiteMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=us-gaap_CommercialRealEstateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |