v3.26.1
Mortgage Servicing Rights - Summary of Mortgage Servicing Rights Activity (Details) - MSR - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Servicing Asset at Fair Value, Amount [Roll Forward]    
Fair value, beginning of period $ 4,073,781 $ 3,969,881
Capitalization of MSRs 1,101,017 735,571
MSR and excess servicing sales (604,323) (1,010,124)
Due to changes in valuation inputs and assumptions 247,897 (250,821)
Due to collection/realization of cash flows and other (226,517) (123,050)
Fair value, end of period 4,591,855 3,321,457
Changes in fair value:    
Due to changes in valuation inputs and assumptions, net 247,897 (250,821)
Due to collection/realization of cash flows and other (226,517) (123,050)
Net reserves and transaction costs on sales of servicing rights (31,715) (14,714)
Changes in fair value of mortgage servicing rights $ (10,335) $ (388,585)