v3.26.1
Mortgage Servicing Rights - Schedule of Data and Key Economic Assumptions Related to Mortgage Servicing Rights (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Transfers and Servicing of Financial Assets [Abstract]    
Unpaid principal balance of mortgage loans sold and serviced for others $ 9,286,531 $ 9,588,948
Weighted-average prepayment speed (CPR) 6.29% 6.38%
Estimated impact on fair value of a 10% increase $ (3,799) $ (4,026)
Estimated impact on fair value of a 20% increase $ (7,373) $ (7,812)
Discount rate 10.40% 9.68%
Estimated impact on fair value of a 100 bp increase $ (6,676) $ (6,986)
Estimated impact on fair value of a 200 bp increase $ (12,797) $ (13,390)
Weighted-average coupon interest rate 3.70% 3.67%
Weighted-average servicing fee (basis points) 0.27% 0.27%
Weighted-average remaining maturity (in months) 339 months 338 months