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Commercial Mortgage Loans, Subordinate Loans and Other Lending Assets, Net - Schedule of Overall Statistics for Loan Portfolio (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2025 USD ($) Loan	Dec. 31, 2024 USD ($) Loan
Accounts, Notes, Loans and Financing Receivable [Line Items]
Number of loans | Loan	48	45
Number of loans | Loan	49	46
Principal balance	$ 7,721,798	$ 7,134,992
Carrying value, net	7,728,286	7,145,356
Unfunded loan commitments	$ 989,243	$ 840,627
Weighted-average cash coupon	7.30%	7.50%
Weighted-average remaining fully-extended term	2 years 4 months 24 days	2 years 6 months
Weighted-average expected term	1 year 8 months 12 days	1 year 10 months 24 days
Principal Balance
Accounts, Notes, Loans and Financing Receivable [Line Items]
Principal balance	$ 8,138,734	$ 7,550,410

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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

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Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

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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
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

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