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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, 2024 USD ($) Loan | Dec. 31, 2023 USD ($) Loan
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Number of loans | Loan | 45 | 50
Principal balance | $ 7,864,803 | $ 8,384,575
Carrying value, net | 7,830,611 | 8,358,093
Unfunded loan commitments | $ 503,858 | $ 868,582
Weighted-average cash coupon | 8.10% | 8.30%
Weighted-average remaining fully-extended term | 2 years 6 months | 2 years 3 months 18 days
Weighted-average expected term | 1 year 9 months 18 days | 1 year 9 months 18 days
Principal Balance |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Principal balance | $ 8,243,398 | $ 8,610,110

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