XML 58 R52.htm IDEA: XBRL DOCUMENT v3.25.3

Commercial Mortgage Loans, Subordinate Loans and Other Lending Assets, Net - Schedule of Overall Statistics for Loan Portfolio (Details) $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2025 USD ($) Loan	Dec. 31, 2024 USD ($) Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of loans | Loan	54	45
Number of loans | Loan	54	46
Principal balance	$ 8,342,902	$ 7,134,992
Carrying value, net	8,303,645	7,145,356
Unfunded loan commitments	$ 1,034,562	$ 840,627
Weighted-average cash coupon	7.00%	7.50%
Weighted-average remaining fully-extended term	3 years	2 years 6 months
Weighted-average expected term	2 years 2 months 12 days	1 year 10 months 24 days
Principal Balance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal balance	$ 8,728,632	$ 7,550,410

X

- Definition

Loans And Leases Receivable Including Note Receivable held for sale Number Of Contracts.

+ References

No definition available.

+ Details

Name:	ari_LoansAndLeasesReceivableIncludingNoteReceivableHeldForSaleNumberOfContracts
Namespace Prefix:	ari_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Loans And Leases Receivable, Number Of Contracts

+ References

No definition available.

+ Details

Name:	ari_LoansAndLeasesReceivableNumberOfContracts
Namespace Prefix:	ari_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Loans And Leases, Receivable Weighted Average Expected Maturity

+ References

No definition available.

+ Details

Name:	ari_LoansAndLeasesReceivableWeightedAverageExpectedMaturity
Namespace Prefix:	ari_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Loans And Leases Receivable, Weighted Average Interest Rate

+ References

No definition available.

+ Details

Name:	ari_LoansAndLeasesReceivableWeightedAverageInterestRate
Namespace Prefix:	ari_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Loans and Leases Receivable, Weighted Average Remaining Term

+ References

No definition available.

+ Details

Name:	ari_LoansandLeasesReceivableWeightedAverageRemainingTerm
Namespace Prefix:	ari_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Mortgage Loans on Real Estate, Commercial and Consumer And Financing Receivable, Net

+ References

No definition available.

+ Details

Name:	ari_MortgageLoansOnRealEstateCommercialAndConsumerAndFinancingReceivableNet
Namespace Prefix:	ari_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Mortgage Loans on Real Estate, Commitment to Lend, Unfunded Amount

+ References

No definition available.

+ Details

Name:	ari_MortgageLoansonRealEstateCommitmenttoLendUnfundedAmount
Namespace Prefix:	ari_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

+ Details

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

X

- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of 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

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

+ Details

Name:	us-gaap_FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_RealEstateLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: