Home Equity Investments (HEI) - Schedule of Components of HEI Income, Net (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Schedule of Equity Method Investments [Line Items]
Total HEI (loss) income, net	$ 7,109	$ 10,166
Interest expense	322,202	244,152
Unsecuritized HEI
Schedule of Equity Method Investments [Line Items]
Total HEI (loss) income, net	5,109	7,136
Securitized HEI
Schedule of Equity Method Investments [Line Items]
Total HEI (loss) income, net	7,386	11,912
ABS Issued From HEI Securitization
Schedule of Equity Method Investments [Line Items]
Total HEI (loss) income, net	(2,207)	(3,769)
Interest expense	2,000	3,000
Net market valuation (losses) recorded on non-controlling interests in HEI securitizations
Schedule of Equity Method Investments [Line Items]
Total HEI (loss) income, net	(3,286)	(5,208)
Other
Schedule of Equity Method Investments [Line Items]
Total HEI (loss) income, net	$ 107	$ 95