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Mortgage Servicing Rights - Summary of Estimated Future Amortization Expense for Mortgage Servicing Rights (Detail)
$ in Thousands
Dec. 31, 2022
USD ($)
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]  
2023 $ 220
2024 201
2025 182
2026 163
2027 143
Thereafter 951
Total $ 1,860