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
	Mar. 31, 2026	Mar. 31, 2025
Securitized Term
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Net market valuation (losses) gains recorded	$ (14,540)	$ (69)
Fair value of loans transferred to HFI	0	0
Securitized Bridge
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Net market valuation (losses) gains recorded	5,183	(3,694)
Fair value of loans transferred to HFI	$ 74,747	$ 50,619