XML 73 R57.htm IDEA: XBRL DOCUMENT
v3.22.4

Mortgage Servicing (Details) | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) state | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($)
Mortgage Servicing |  |  |
Interest earned on total escrows | $ 24,400,000 | $ 4,200,000 | $ 7,100,000
Fee-based servicing portfolio |  |  |
Mortgage Servicing |  |  |
Escrow Deposit | 1,250,000,000 | 1,400,000,000 |
MSRs |  |  |
Mortgage Servicing |  |  |
Unpaid principal balance of loans serviced | $ 27,998,029,000 | $ 26,959,389,000 |
Weighted average servicing fee (as a percent) | 41.10% | 44.90% |
MSRs | Fee-based servicing portfolio |  |  |
Mortgage Servicing |  |  |
UPB Percentage of Total | 100.00% | 100.00% |
Escrow Deposit | $ 677,400,000 | $ 682,500,000 |
Texas | MSRs | Fee-based servicing portfolio |  |  |
Mortgage Servicing |  |  |
UPB Percentage of Total | 11.00% | 12.00% |
New York | MSRs | Fee-based servicing portfolio |  |  |
Mortgage Servicing |  |  |
UPB Percentage of Total | 11.00% | 11.00% |
California | MSRs | Fee-based servicing portfolio |  |  |
Mortgage Servicing |  |  |
UPB Percentage of Total | 8.00% | 8.00% |
North Carolina | MSRs | Fee-based servicing portfolio |  |  |
Mortgage Servicing |  |  |
UPB Percentage of Total | 8.00% | 9.00% |
Georgia | MSRs | Fee-based servicing portfolio |  |  |
Mortgage Servicing |  |  |
UPB Percentage of Total | 6.00% | 6.00% |
Florida | MSRs | Fee-based servicing portfolio |  |  |
Mortgage Servicing |  |  |
UPB Percentage of Total | 5.00% | 6.00% |
New Jersey | MSRs | Fee-based servicing portfolio |  |  |
Mortgage Servicing |  |  |
UPB Percentage of Total | 5.00% | 6.00% |
Illinois | MSRs | Fee-based servicing portfolio |  |  |
Mortgage Servicing |  |  |
UPB Percentage of Total | 4.00% |  |
Other States | MSRs | Fee-based servicing portfolio |  |  |
Mortgage Servicing |  |  |
UPB Percentage of Total | 42.00% | 42.00% |
Number of states accounted for more than 4% of UPB and related servicing revenues | state | 0 |  |
Fannie Mae | MSRs |  |  |
Mortgage Servicing |  |  |
Unpaid principal balance of loans serviced | $ 19,038,124,000 | $ 19,127,397,000 |
Fannie Mae | MSRs | Fee-based servicing portfolio |  |  |
Mortgage Servicing |  |  |
UPB Percentage of Total | 68.00% | 71.00% |
Federal Home Loan Mortgage Corporation Loans | MSRs |  |  |
Mortgage Servicing |  |  |
Unpaid principal balance of loans serviced | $ 5,153,207,000 | $ 4,943,905,000 |
Federal Home Loan Mortgage Corporation Loans | MSRs | Fee-based servicing portfolio |  |  |
Mortgage Servicing |  |  |
UPB Percentage of Total | 18.00% | 18.00% |
Private Label | MSRs |  |  |
Mortgage Servicing |  |  |
Unpaid principal balance of loans serviced | $ 2,074,859,000 | $ 1,711,326,000 |
Private Label | MSRs | Fee-based servicing portfolio |  |  |
Mortgage Servicing |  |  |
UPB Percentage of Total | 8.00% | 6.00% |
FHA | MSRs |  |  |
Mortgage Servicing |  |  |
Unpaid principal balance of loans serviced | $ 1,155,893,000 | $ 985,063,000 |
FHA | MSRs | Fee-based servicing portfolio |  |  |
Mortgage Servicing |  |  |
UPB Percentage of Total | 4.00% | 4.00% |
Bridge | MSRs |  |  |
Mortgage Servicing |  |  |
Unpaid principal balance of loans serviced | $ 301,182,000 |  |
Bridge | MSRs | Fee-based servicing portfolio |  |  |
Mortgage Servicing |  |  |
UPB Percentage of Total | 1.00% |  |
SFR - Fixed Rate | MSRs |  |  |
Mortgage Servicing |  |  |
Unpaid principal balance of loans serviced | $ 274,764,000 | $ 191,698,000 |
SFR - Fixed Rate | MSRs | Fee-based servicing portfolio |  |  |
Mortgage Servicing |  |  |
UPB Percentage of Total | 1.00% | 1.00% |

X
- Definition Number of states accounted for more than 4% of unpaid principal balance and related servicing revenues. + References No definition available. + Details
Name: | abr_ConcentrationRiskNumberOfStatesOver4PercentRevenues
Namespace Prefix: | abr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of servicing fee on loans. + References No definition available. + Details
Name: | abr_ContractuallySpecifiedServicingFeesPercentage
Namespace Prefix: | abr_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of interest income earned, net of interest paid to the borrower. + References No definition available. + Details
Name: | abr_InterestIncomeNet
Namespace Prefix: | abr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The percentage of unpaid principal balance to total unpaid principal balance as of the balance sheet date. + References No definition available. + Details
Name: | abr_PercentageOfUnpaidPrincipalBalance
Namespace Prefix: | abr_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DisclosuresPertainingToServicingAssetsAndServicingLiabilitiesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10) -URI https://asc.fasb.org/extlink&oid=126897435&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 954 -SubTopic 440 -Section 50 -Paragraph 1 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=6491277&loc=d3e6429-115629 + Details
Name: | us-gaap_EscrowDeposit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This is the result of the principal amount outstanding of total loans managed or securitized less securitized loans and loans that are in the process of being securitized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=121570589&loc=d3e107314-111719 + Details
Name: | us-gaap_PrincipalAmountOutstandingOfLoansHeldInPortfolio
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_RevenueRightsGrantedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_ServicingContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_TX
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_NY
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_NC
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_GA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_FL
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_NJ
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=stpr_IL
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=abr_OtherStatesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=abr_FederalNationalMortgageAssociationLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=abr_FederalHomeLoanMortgageCorporationLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=abr_PrivateLabelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=abr_FederalHousingAdministrationLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=abr_BridgeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=abr_SingleFamilyResidentialMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |