v3.26.1
Servicing Activities - Rollforward of Mortgage Servicing Rights, at Fair Value (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Servicing Asset at Fair Value, Amount [Roll Forward]        
Balance at beginning of period $ 2,380,983 $ 2,959,773 $ 2,421,910 $ 2,994,271
Additions from purchases of mortgage servicing rights 1,717 91,356 2,648 92,849
Additions from sales of mortgage loans 863 408 1,532 638
Changes in fair value due to:        
Changes in valuation inputs or assumptions used in the valuation model 9,569 27,357 13,935 43,373
Other changes in fair value (56,808) (63,251) (105,183) (115,488)
Other changes 0 0 1,482 0
Balance at end of period $ 2,336,324 $ 3,015,643 $ 2,336,324 $ 3,015,643
Servicing asset, at fair value, other change in fair value, statement of income or comprehensive income extensible enumeration not disclosed flag Other changes in fair value (1) Other changes in fair value (1) Other changes in fair value (1) Other changes in fair value (1)