XML 73 R64.htm IDEA: XBRL DOCUMENT
v3.23.1

Allowance for Loss - Sharing Obligations (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 | Mar. 31, 2022 | Dec. 31, 2022
Roll forward of loss contingency accrual |  |  |
Provisions for loss sharing | $ 3,177 | $ (662) |
Guarantee obligations | 34,500 | 34,400 |
Allowance for loss sharing obligations | $ 25,300 |  | $ 22,700
Loss-sharing obligations (as a percent) | 0.13% |  | 0.12%
Impact of adopting CECL | $ 2,600 |  |
Loss-Sharing Obligation |  |  |
Roll forward of loss contingency accrual |  |  |
Outstanding advances under the Fannie Mae DUS program | 400 |  | $ 800
Loss-Sharing Obligation | Fannie Mae Mortgage |  |  |
Roll forward of loss contingency accrual |  |  |
Beginning balance | 57,168 | 56,064 | 56,064
Provisions for loss sharing | 4,567 | 133 |
Provisions reversal for loan repayments | (1,390) | (795) |
Recoveries (charge-offs), net | (588) | (230) |
Ending balance | 59,757 | $ 55,172 | 57,168
Maximum quantifiable liability | $ 3,580,000 |  | $ 3,490,000

X
- Definition Carrying amount of outstanding advanced principal and interest payments. + References No definition available. + Details
Name: | abr_AdvancesOnPrincipalAndInterestPayments
Namespace Prefix: | abr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of guarantee obligations included in allowance for loss-sharing obligations. + References No definition available. + Details
Name: | abr_GuaranteeObligationsIncludedInAllowanceForLossSharingObligations
Namespace Prefix: | abr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of impact of adopting current expected credit losses + References No definition available. + Details
Name: | abr_ImpactOfAdoptingCurrentExpectedCreditLosses
Namespace Prefix: | abr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of provision reversal for loan repayments. + References No definition available. + Details
Name: | abr_LossContingencyAccrualProvisionReversalForLoanRepayments
Namespace Prefix: | abr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of recoveries (charge-offs) when settle a loss under the DUS Loss sharing model, net of any previously advanced principal and interest payments. + References No definition available. + Details
Name: | abr_LossContingencyAccrualRecoveriesChargeOffsNet
Namespace Prefix: | abr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of allowance for loss sharing obligations. + References No definition available. + Details
Name: | abr_LossSharingObligationsAllowance
Namespace Prefix: | abr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Loss-sharing obligations, as percentage of the servicing portfolio. + References No definition available. + Details
Name: | abr_LossSharingObligationsPercent
Namespace Prefix: | abr_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of loss contingency liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14615-108349 + Details
Name: | us-gaap_LossContingencyAccrualAtCarryingValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount charged against operating income increasing loss contingency liability, after adjustments to reduce previously estimated charges. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14326-108349 + Details
Name: | us-gaap_LossContingencyAccrualProvision
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_LossContingencyAccrualRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Reflects the estimated amount of loss from the specified contingency as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14435-108349 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=121557415&loc=d3e14557-108349 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124440162&loc=d3e12021-110248 + Details
Name: | us-gaap_LossContingencyEstimateOfPossibleLoss
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_LossContingenciesByNatureOfContingencyAxis=us-gaap_PerformanceGuaranteeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_InvestmentTypeAxis=us-gaap_FederalNationalMortgageAssociationCertificatesAndObligationsFNMAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |