Commercial Real Estate Loans - Schedule of Loans Held-for-Investment and Loans Held-for-Sale (Details) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2026 USD ($) loan	Dec. 31, 2025 USD ($) loan
Investment Holdings [Line Items]
Amortized Cost	$ 3,137,554	$ 5,347,756
Carrying Value	$ 2,950,118	$ 5,145,832
Loan Count (in loans) \| loan	37	53
Consolidated Entity, Excluding VIE
Investment Holdings [Line Items]
Amortized Cost	$ 3,137,554	$ 5,347,756
Carrying Value	2,950,118	5,145,832
Commercial real estate loans, held-for-investment, net
Investment Holdings [Line Items]
Outstanding Principal	3,151,502	5,361,863
Amortized Cost	$ 3,137,554	$ 5,347,756
Loan Count (in loans) \| loan	37	53
Commercial real estate loans, held-for-investment, net \| Consolidated Entity, Excluding VIE
Investment Holdings [Line Items]
Outstanding Principal	$ 3,151,502	$ 5,361,863
Amortized Cost	3,137,554	5,347,756
Carrying Value	$ 2,950,118	$ 5,145,832
Loan Count (in loans) \| loan	37	53
Floating Rate Loan %	97.60%	98.60%
Weighted average, coupon	6.70%	7.00%
Weighted average life (years)	2 years 4 months 24 days	1 year 9 months 18 days

Commercial Real Estate

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Mortgage Loans On Real Estate, Floating Rate, Percentage Of Loans

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Mortgage Loans On Real Estate, Weighted Average Life

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Amount of contractual principal due at origination of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

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Interest rate of mortgage loan within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

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Number of mortgage loans within investment in mortgage loan on real estate by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate.

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

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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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