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Borrowings - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Mar. 31, 2022
Line of Credit Facility [Line Items]      
Revolving line of credit, permitted $ 25,000,000    
Line of credit 0 $ 0 $ 0
Other borrowings $ 21,053,000    
Line of credit, maturity date Jun. 30, 2021    
Federal Home Loan Bank Borrowings [Member]      
Line of Credit Facility [Line Items]      
Line of credit $ 0