Residential Consumer Loans - Schedule of Activity of Residential Consumer Loans Held-for-Sale (Details) - Residential consumer loans - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
Principal balance of loans acquired	$ 14,616,596	$ 7,043,177
Principal balance of loans sold	3,958,825	1,650,357
Principal balance of deconsolidated securitized re-performing loans	1,439,178	0
Principal balance of loans transferred from HFS to HFI	$ 8,504,707	$ 5,208,677