v3.26.1
Fair Value Measurement - Summary of Reconciliation of Assets and Liabilities Measured at Fair Value Using Significant Unobservable Inputs (Level 3) on Recurring Basis (Detail) - Mortgage servicing rights - USD ($)
$ in Thousands
3 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance $ 6,530 $ 6,614
Transfers into (out of) Level 3 0 0
Change Included in Earnings (174) (52)
Issuances 146 201
Ending balance $ 6,502 $ 6,763