XML 64 R58.htm IDEA: XBRL DOCUMENT
v3.25.2

Commercial Mortgage Loans, Subordinate Loans and Other Lending Assets, Net - CECL Allowance as Percentage of Amortized Cost and Total Commitment (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2025 | Mar. 31, 2025 | Jun. 30, 2024 | Mar. 31, 2024 | Jun. 30, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Allowance and Provision for Loan Credit Loss [Abstract] |  |  |  |  |  |  |
Beginning balance, Specific CECL Allowance |  | $ 30,836 |  |  | $ 30,836 |  |
Write-offs, specific CECL allowance, funded |  |  |  |  | 0 | $ (127,512) |
Ending balance, Specific CECL Allowance | $ 38,848 |  |  |  | 38,848 | 30,836 |
Financing Receivable, Funded, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Beginning balance, General CECL Allowance, Funded | 34,712 | 30,836 | $ 32,558 | $ 26,482 | 30,836 | 26,482 |
Allowances (Reversals), net | 4,136 | 3,876 | 2,761 | 6,076 |  |  |
Ending balance, General CECL Allowance, Funded | 38,848 | 34,712 | 35,319 | 32,558 | 38,848 | 30,836 |
Financing Receivable, Unfunded, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Beginning balance, General CECL Allowance, Unfunded | 6,080 | 5,948 | 3,625 | 4,017 | 5,948 | 4,017 |
Allowances (Reversals), net | (1,023) | 132 | (3) | (392) |  |  |
Ending balance, General CECL Allowance, Unfunded | 5,057 | 6,080 | 3,622 | 3,625 | 5,057 | 5,948 |
Financing Receivable, General Allowance, Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Beginning balance, General CECL Allowance | 40,792 | 36,784 | 36,183 | 30,499 | 36,784 | 30,499 |
Allowances (Reversals), net | 3,113 | 4,008 | 2,758 | 5,684 |  |  |
Ending balance,General CECL Allowance | 43,905 | 40,792 | 38,941 | 36,183 | 43,905 | 36,784 |
Financing Receivable, Total Allowance for Credit Loss [Roll Forward] |  |  |  |  |  |  |
Beginning balance, Total CECL Allowance | 383,292 | 379,284 | 371,183 | 223,499 | 379,284 | 223,499 |
Allowances (Reversals), net | 3,113 | 4,008 | 10,258 | 147,684 |  |  |
Ending balance, Total CECL Allowance | $ 386,405 | $ 383,292 | $ 381,441 | $ 371,183 | $ 386,405 | $ 379,284 |
General CECL allowance, % of amortized cost | 0.51% | 0.54% | 0.47% | 0.44% | 0.51% | 0.52% | 0.38%
Total CECL allowance, % of amortized cost | 4.29% | 4.75% | 4.40% | 4.29% | 4.29% | 5.07% | 2.61%
Commercial Mortgage and Subordinated Portfolio Segment |  |  |  |  |  |  |
Allowance and Provision for Loan Credit Loss [Abstract] |  |  |  |  |  |  |
Beginning balance, Specific CECL Allowance | $ 342,500 | $ 342,500 | $ 335,000 | $ 193,000 | $ 342,500 | $ 193,000 |
Allowances (Reversals), net | 0 | 0 | 7,500 | 142,000 |  |  |
Ending balance, Specific CECL Allowance | $ 342,500 | $ 342,500 | $ 342,500 | $ 335,000 | $ 342,500 | $ 342,500 |

X
- Definition Allowance for credit loss as percent of amortized cost. + References No definition available. + Details
Name: | ari_AllowanceForCreditLossAsPercentOfAmortizedCost
Namespace Prefix: | ari_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Financing receivable allowance for credit loss expense reversal. + References No definition available. + Details
Name: | ari_FinancingReceivableAllowanceForCreditLossExpenseReversal
Namespace Prefix: | ari_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing receivable allowance for credit loss funded and unfunded. + References No definition available. + Details
Name: | ari_FinancingReceivableAllowanceForCreditLossFundedAndUnfunded
Namespace Prefix: | ari_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Financing receivable current expected credit loss allowance. + References No definition available. + Details
Name: | ari_FinancingReceivableCurrentExpectedCreditLossAllowance
Namespace Prefix: | ari_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Financing Receivable, Funded, Allowance for Credit Loss + References No definition available. + Details
Name: | ari_FinancingReceivableFundedAllowanceforCreditLoss
Namespace Prefix: | ari_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Financing Receivable, Funded, Allowance for Credit Loss [Roll Forward] + References No definition available. + Details
Name: | ari_FinancingReceivableFundedAllowanceforCreditLossRollForward
Namespace Prefix: | ari_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing receivable funded and unfunded credit loss expense reversal. + References No definition available. + Details
Name: | ari_FinancingReceivableFundedAndUnfundedCreditLossExpenseReversal
Namespace Prefix: | ari_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing Receivable, Funded, Credit Loss, Expense (Reversal) + References No definition available. + Details
Name: | ari_FinancingReceivableFundedCreditLossExpenseReversal
Namespace Prefix: | ari_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Financing Receivable, General Allowance, Allowance for Credit Loss [Roll Forward] + References No definition available. + Details
Name: | ari_FinancingReceivableGeneralAllowanceAllowanceforCreditLossRollForward
Namespace Prefix: | ari_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing Receivable, Total Allowance for Credit Loss [Roll Forward] + References No definition available. + Details
Name: | ari_FinancingReceivableTotalAllowanceforCreditLossRollForward
Namespace Prefix: | ari_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing receivable unfunded allowance for credit loss. + References No definition available. + Details
Name: | ari_FinancingReceivableUnfundedAllowanceForCreditLoss
Namespace Prefix: | ari_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Financing Receivable, Unfunded, Allowance for Credit Loss [Roll Forward] + References No definition available. + Details
Name: | ari_FinancingReceivableUnfundedAllowanceforCreditLossRollForward
Namespace Prefix: | ari_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Financing receivable unfunded credit loss expense reversal. + References No definition available. + Details
Name: | ari_FinancingReceivableUnfundedCreditLossExpenseReversal
Namespace Prefix: | ari_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition General allowance for credit loss as percent of amortized cost. + References No definition available. + Details
Name: | ari_GeneralAllowanceForCreditLossAsPercentOfAmortizedCost
Namespace Prefix: | ari_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
Name: | us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 + Details
Name: | us-gaap_FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_FinancingReceivablePortfolioSegmentAxis=ari_CommercialMortgageandSubordinatedPortfolioSegmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |