XML 118 R108.htm IDEA: XBRL DOCUMENT v3.25.2

Segment Information - Key Servicing Metrics (Details) - Agency Business - MSRs - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2025	Dec. 31, 2024
Segment Information
Servicing Portfolio UPB	$ 33,762,566	$ 33,470,357
Wtd. Avg. Servicing Fee Rate (basis points)	0.374%	0.378%
Wtd. Avg. Life of Portfolio (years)	6 years 6 months	6 years 10 months 24 days
SFR - Fixed Rate
Segment Information
Servicing Portfolio UPB	$ 287,065	$ 271,859
Wtd. Avg. Servicing Fee Rate (basis points)	0.20%	0.201%
Wtd. Avg. Life of Portfolio (years)	4 years 2 months 12 days	4 years 4 months 24 days
Fannie Mae
Segment Information
Servicing Portfolio UPB	$ 22,999,772	$ 22,730,056
Wtd. Avg. Servicing Fee Rate (basis points)	0.458%	0.464%
Wtd. Avg. Life of Portfolio (years)	5 years 10 months 24 days	6 years 4 months 24 days
Freddie Mac
Segment Information
Servicing Portfolio UPB	$ 6,100,091	$ 6,077,020
Wtd. Avg. Servicing Fee Rate (basis points)	0.213%	0.215%
Wtd. Avg. Life of Portfolio (years)	6 years 6 months	6 years 9 months 18 days
Private Label
Segment Information
Servicing Portfolio UPB	$ 2,599,971	$ 2,605,980
Wtd. Avg. Servicing Fee Rate (basis points)	0.187%	0.187%
Wtd. Avg. Life of Portfolio (years)	5 years	5 years 6 months
FHA
Segment Information
Servicing Portfolio UPB	$ 1,497,551	$ 1,506,948
Wtd. Avg. Servicing Fee Rate (basis points)	0.14%	0.141%
Wtd. Avg. Life of Portfolio (years)	19 years 10 months 24 days	19 years 2 months 12 days
Bridge loan
Segment Information
Servicing Portfolio UPB	$ 278,116	$ 278,494
Wtd. Avg. Servicing Fee Rate (basis points)	0.104%	0.104%
Wtd. Avg. Life of Portfolio (years)	2 years 7 months 6 days	3 years

X

- Definition

Amount of unpaid principal balance of servicing portfolio.

+ References

No definition available.

+ Details

Name:	abr_UnpaidPrincipalBalanceServicingPortfolio
Namespace Prefix:	abr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Represents weighted average servicing fee rate.

+ References

No definition available.

+ Details

Name:	abr_WeightedAverageServicingFeeRate
Namespace Prefix:	abr_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Useful life of finite-lived intangible assets, 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_FiniteLivedIntangibleAssetUsefulLife
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

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_SegmentReportingInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_StatementBusinessSegmentsAxis=abr_AgencyBusinessSegmentMember
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:	us-gaap_FinancialInstrumentAxis=abr_SingleFamilyRentalBondsMember
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=us-gaap_BridgeLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: