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Financial Instruments With Off-Balance Sheet Risk - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Financial Instruments With Off Balance Sheet Risk [Line Items]          
Amount of allowance for credit losses for off balance sheet instruments $ 2,057   $ 2,057   $ 1,857
(Credit to) Provision for credit losses 90 $ 126 355 $ 271  
Unfunded Loan Commitment [Member]          
Financial Instruments With Off Balance Sheet Risk [Line Items]          
(Credit to) Provision for credit losses 200 $ 120 200 $ 220  
Other Liabilities [Member]          
Financial Instruments With Off Balance Sheet Risk [Line Items]          
Amount of allowance for credit losses for off balance sheet instruments $ 2,057   $ 2,057   $ 1,857