XML 99 R88.htm IDEA: XBRL DOCUMENT v3.20.2

Segment Information - Key Servicing Metrics (Details) - Agency Business - MSRs - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2020	Dec. 31, 2019
Segment Information
UPB of Servicing Portfolio	$ 21,581,932	$ 20,059,077
Wtd. Avg. Servicing Fee Rate (basis points)	0.441%	0.438%
Wtd. Avg. Life of Servicing Portfolio (in years)	9 years 1 month 6 days	8 years 9 months 18 days
Fannie Mae
Segment Information
UPB of Servicing Portfolio	$ 15,672,931	$ 14,832,844
Wtd. Avg. Servicing Fee Rate (basis points)	0.505%	0.493%
Wtd. Avg. Life of Servicing Portfolio (in years)	8 years 2 months 12 days	7 years 9 months 18 days
Freddie Mac
Segment Information
UPB of Servicing Portfolio	$ 4,560,382	$ 4,534,714
Wtd. Avg. Servicing Fee Rate (basis points)	0.295%	0.30%
Wtd. Avg. Life of Servicing Portfolio (in years)	10 years 7 months 6 days	10 years 7 months 6 days
Private Label
Segment Information
UPB of Servicing Portfolio	$ 727,132
Wtd. Avg. Servicing Fee Rate (basis points)	0.20%
Wtd. Avg. Life of Servicing Portfolio (in years)	9 years 6 months
FHA
Segment Information
UPB of Servicing Portfolio	$ 621,487	$ 691,519
Wtd. Avg. Servicing Fee Rate (basis points)	0.154%	0.154%
Wtd. Avg. Life of Servicing Portfolio (in years)	19 years 7 months 6 days	18 years 8 months 12 days

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:	num: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:	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_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_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: