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Related Party Transactions - Summary of Loan Transactions with Related Parties (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Related Party Transactions [Abstract]    
Total loans, beginning of period $ 8,118 $ 7,737
Advances 5,505 4,703
Curtailments (7,044) (4,322)
Total loans, end of period $ 6,579 $ 8,118