v3.25.2
Mortgage Servicing Rights - Data and Key Economic Assumptions Related to the Company's MRSs (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Data and key economic assumptions related to mortgage servicing rights    
Unpaid principal balance $ 5,529,115 $ 5,874,481
Weighted-average prepayment speed (CPR) 9.84% 8.87%
Estimated impact of a 10% increase $ (2,816) $ (3,066)
Estimated impact of a 20% increase $ (5,437) $ (5,941)
Discount rate 10.49% 11.09%
Estimated impact of a 10% increase $ (3,193) $ (3,924)
Estimated impact of a 20% increase $ (6,151) $ (7,557)
Weighted-average coupon interest rate 4.45% 4.13%
Weighted-average servicing fee (basis points) 34.11% 36.06%
Weighted-average remaining maturity (in years) 7 years 1 month 6 days 7 years 6 months