v3.26.1
Fair Value of Financial Instruments - Level 3 Assets (Details) - Recurring basis - Level 3 - Residential whole loans, at fair value - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance at beginning of period $ 7,665,985 $ 7,459,137
Purchases and originations 600,772 505,691
Draws 70,362 101,170
Changes in fair value recorded in Net gain/(loss) on residential whole loans measured at fair value through earnings (34,483) 52,900
Repayments (506,305) (549,218)
Loan sales and repurchases (83,188) (70,352)
Transfer to REO (23,712) (20,398)
Balance at end of period $ 7,689,431 $ 7,478,930