XML 63 R53.htm IDEA: XBRL DOCUMENT
v3.26.1

Loans and Investments - Schedule of Other Non-Accrued Loans (Details) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2026 USD ($) | Mar. 31, 2025 USD ($) loan | Dec. 31, 2025 loan | Dec. 31, 2024 loan
Financing Receivable, Nonaccrual [Roll Forward] |  |  |  |
Beginning balance | $ 48,311 | $ 167,428 |  |
Loans that progressed to greater than 60 days past due | (1,221) | (82,290) |  |
Loans modified or paid off | (47,090) | (38,490) |  |
Additional loans classified as non-accrual |  | 96,175 |  |
Ending balance | $ 0 | $ 142,823 |  |
Number of other nonaccrued loans | loan |  | 5 | 3 | 9

X
- Definition Financing Receivable, Nonaccrual, Increase In Additional Loans + References No definition available. + Details
Name: | abr_FinancingReceivableNonaccrualIncreaseInAdditionalLoans
Namespace Prefix: | abr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing Receivable, Nonaccrual, Loans Modified Or Paid Off During Period, Amount + References No definition available. + Details
Name: | abr_FinancingReceivableNonaccrualLoansModifiedOrPaidOffDuringPeriodAmount
Namespace Prefix: | abr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing Receivable, Nonaccrual, Loans Progressed To Greater Than Sixty Days Past Due During Period + References No definition available. + Details
Name: | abr_FinancingReceivableNonaccrualLoansProgressedToGreaterThanSixtyDaysPastDueDuringPeriod
Namespace Prefix: | abr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing Receivable, Nonaccrual, Number Of Loans + References No definition available. + Details
Name: | abr_FinancingReceivableNonaccrualNumberOfLoans
Namespace Prefix: | abr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Financing Receivable, Nonaccrual + References No definition available. + Details
Name: | abr_FinancingReceivableNonaccrualRollForward
Namespace Prefix: | abr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-7 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (3) -Publisher SEC Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (2) -Publisher SEC Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 16 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-16 + Details
Name: | us-gaap_FinancingReceivableRecordedInvestmentNonaccrualStatus
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant