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Securitized Debt at Amortized Cost and Securitized Debt at Fair Value - Summary of Effective Interest Rate of Securitized Debt at Amortized Cost and Securitized Debt at Fair Value (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Debt Instrument [Line Items]
Average outstanding unpaid principal balance	$ 6,003,318	$ 4,387,277
Effective interest rate	6.02%	6.07%
Securitized Debt
Debt Instrument [Line Items]
Interest expense - portfolio related	$ 90,304	$ 66,583

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