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Borrowings - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Debt Instrument [Line Items]    
Borrowings from the FHLB $ 45,000 $ 50,000
weighted average interest rate on FHLB advances 1.28%  
Minimum [Member]    
Debt Instrument [Line Items]    
Interest rates on FHLB advances 0.45%  
Federal home loan bank, long term borrowings maturity period 1 year  
Maximum [Member]    
Debt Instrument [Line Items]    
Interest rates on FHLB advances 1.49%