Home Equity Investments (HEI) - Schedule of Activity of Home Equity Investments (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Fair value of HEI purchased and originated | Unsecuritized HEI
Schedule of Equity Method Investments [Line Items]
Net market valuation (losses) gains recorded	$ 4,226	$ 299	$ 6,060	$ 606
Fair value of HEI purchased and originated | Securitized HEI
Schedule of Equity Method Investments [Line Items]
Net market valuation (losses) gains recorded	0	0	0	0
Net market valuation (losses) gains recorded | Unsecuritized HEI
Schedule of Equity Method Investments [Line Items]
Net market valuation (losses) gains recorded	(14,306)	11,663	(7,170)	17,806
Net market valuation (losses) gains recorded | Securitized HEI
Schedule of Equity Method Investments [Line Items]
Net market valuation (losses) gains recorded	$ 8,621	$ 17,029	$ 20,533	$ 32,453