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Mortgage Servicing Rights - Additional Information (Details) - USD ($)
$ in Millions
9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Transfers and Servicing [Abstract]    
Unpaid principal balance of mortgage loans serviced for others, amount $ 826.6 $ 804.1
Fair value of servicing rights, weighted average discount rate 8.00% 8.00%
Fair value of servicing rights, weighted average constant prepayment rate 5.60% 5.10%