XML 64 R52.htm IDEA: XBRL DOCUMENT
v3.21.2

Loans Held-for-Sale, Net (Details) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) loan | Jun. 30, 2020 USD ($) | Dec. 31, 2020 USD ($) loan
Loans Held-for-Sale, Net |  |  |  |  |
Loans held-for-sale | $ 448,940 |  | $ 448,940 |  | $ 968,595
Fair value of future MSR | 9,669 |  | 9,669 |  | 21,600
Unearned discount | (962) |  | (962) |  | (3,276)
Loans held-for-sale, net | 457,647 |  | 457,647 |  | $ 986,919
Gain on sale of loans held-for-sale, including fees | 40,900 | $ 26,400 | $ 69,800 | $ 40,700 |
Number of loans | loan |  |  | 405 |  | 328
Proceeds from Sale of Loans Held-for-sale, Excluding Acquisition | 1,480,000 | 1,990,000 | $ 3,320,000 | 2,950,000 |
Subordinate class of certificates retained | 171,001 | $ 63,600 | 171,001 | $ 63,600 | $ 140,124
Amortized cost of loans on nonaccrual status |  |  |  |  | 0
APL certificates |  |  |  |  |
Loans Held-for-Sale, Net |  |  |  |  |
Subordinate class of certificates retained | 101,868 |  | 101,868 |  | 63,627
APL certificates | Held-to-Maturity |  |  |  |  |
Loans Held-for-Sale, Net |  |  |  |  |
Subordinate class of certificates retained | 101,900 |  | 101,900 |  |
Greater than 90 Days Past Due |  |  |  |  |
Loans Held-for-Sale, Net |  |  |  |  |
Past Due | 0 |  | $ 0 |  |
US Government Sponsored-Enterprise Insured Loans [Member] |  |  |  |  |
Loans Held-for-Sale, Net |  |  |  |  |
Period of loans held for sale sold |  |  | 60 days |  |
Fannie Mae |  |  |  |  |
Loans Held-for-Sale, Net |  |  |  |  |
Loans held-for-sale, net | 220,944 |  | $ 220,944 |  | 679,342
Private Label |  |  |  |  |
Loans Held-for-Sale, Net |  |  |  |  |
Loans held-for-sale, net | 135,934 |  | $ 135,934 |  | 56,186
Period of loans held for sale sold |  |  | 180 days |  |
Proceeds from Sale of Loans Held-for-sale, Excluding Acquisition |  |  | $ 449,900 |  | 727,200
FHA |  |  |  |  |
Loans Held-for-Sale, Net |  |  |  |  |
Loans held-for-sale, net | 50,770 |  | 50,770 |  | 53,063
Freddie Mac |  |  |  |  |
Loans Held-for-Sale, Net |  |  |  |  |
Loans held-for-sale, net | 39,806 |  | 39,806 |  | $ 180,004
SFR - Fixed Rate |  |  |  |  |
Loans Held-for-Sale, Net |  |  |  |  |
Loans held-for-sale, net | 1,486 |  | 1,486 |  |
Gain on sale of loans held-for-sale, including fees |  |  | $ 2,800 |  |
Number of loans |  |  | 23 |  |
Proceeds from Sale of Loans Held-for-sale, Excluding Acquisition |  |  | $ 75,300 |  |
Subordinate class of certificates retained | $ 38,200 |  | $ 38,200 |  |

X
- Definition Amount of fair value of future mortgage servicing rights. + References No definition available. + Details
Name: | abr_FairValueOfFutureMortgageServicingRights
Namespace Prefix: | abr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of financing receivable past due. + References No definition available. + Details
Name: | abr_FinancingReceivableRecordedInvestmentsPastDue
Namespace Prefix: | abr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Reflects the net positive or negative amount derived from subtracting from net proceeds of sale the carrying amounts, net of allocated reserves, of notes receivable held-for-sale transferred to a third party in a transaction that qualifies for sales treatment. + References No definition available. + Details
Name: | abr_GainLossOnSaleOfLoansReceivableHeldForSale
Namespace Prefix: | abr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Face value of investments in debt securities classified as held-to-maturity. + References No definition available. + Details
Name: | abr_HeldToMaturitySecuritiesFaceValue
Namespace Prefix: | abr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of unearned discount of loan receivable held-for-sale. + References No definition available. + Details
Name: | abr_LoansReceivableHeldForSaleUnearnedDiscount
Namespace Prefix: | abr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum period from the origination date a loan receivables held-for-sale will be sold. + References No definition available. + Details
Name: | abr_PeriodOfLoansHeldForSaleSold
Namespace Prefix: | abr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition 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. + References No definition available. + Details
Name: | abr_ProceedsFromSaleOfLoansHeldForSaleExcludingAcquisition
Namespace Prefix: | abr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Number of mortgage loans 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 -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Footnote 3 -Subsection 29 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-29(Footnote 3)) -URI http://asc.fasb.org/extlink&oid=120402547&loc=d3e617274-123014 + Details
Name: | srt_MortgageLoansOnRealEstateNumberOfLoans
Namespace Prefix: | srt_
Data Type: | xbrli:integerItemType
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 No definition available. + Details
Name: | us-gaap_AccountsNotesAndLoansReceivableLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of financing receivable on nonaccrual status. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 7 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5111-111524 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 16 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919258-210447 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, before valuation allowance, of financing receivable classified as held-for-sale. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=120238483&loc=d3e48678-111004 + Details
Name: | us-gaap_LoansReceivableHeldForSaleAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, after valuation allowance, of financing receivable held for sale and not part of disposal group. Excludes loan covered under loss sharing agreement and loan classified as investment in debt security. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 948 -SubTopic 310 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=120238483&loc=d3e48678-111004 + Details
Name: | us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | us-gaap_InformationByCategoryOfDebtSecurityAxis=us-gaap_HeldtomaturitySecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FinancingReceivablesPeriodPastDueAxis=us-gaap_FinancingReceivablesEqualToGreaterThan90DaysPastDueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LineOfCreditFacilityAxis=us-gaap_UsGovernmentSponsoredEnterpriseInsuredLoansMember
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_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_FederalHomeLoanMortgageCorporationLoansMember
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: |