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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	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Debt Instrument [Line Items]
Average outstanding unpaid principal balance	$ 4,829,808	$ 3,668,377
Effective interest rate	6.10%	5.78%
Securitized Debt
Debt Instrument [Line Items]
Interest expense - portfolio related	$ 220,788	$ 159,122

X

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