v3.26.3
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 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Balance at beginning of period $ 7,716,012 $ 7,577,178 $ 7,665,986 $ 7,459,137
Purchases and originations 646,850 601,317 1,894,612 1,748,138
Draws 88,174 77,373 243,394 282,224
Changes in fair value recorded in Net gain/(loss) on residential whole loans measured at fair value through earnings (182,112) 51,301 (230,165) 145,804
Repayments and other changes in principal balance (468,553) (556,736) (1,532,332) (1,696,053)
Loan sales and repurchases (92,679) (92,543) (279,209) (231,392)
Transfer to REO (26,164) (24,962) (80,758) (74,930)
Balance at end of period $ 7,681,528 $ 7,632,928 $ 7,681,528 $ 7,632,928