Residential Investor Loans - Schedule of Activity of Securitized Residential Investor Loans Held-for-Investment (Details) - Total Residential Investor Loans - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Residential Investor Term, Securitized
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Net market valuation gains (losses) recorded	$ 14,122	$ 3,530	$ 14,053	$ 11,113
Fair value of loans transferred to HFI	0	0	0	0
Residential Investor Bridge, Securitized
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Net market valuation gains (losses) recorded	(4,591)	(4,870)	(8,285)	(1,180)
Fair value of loans transferred to HFI	$ 75,994	$ 89,202	$ 126,613	$ 187,933