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Borrowings and Subordinated Debentures - Additional Information (Detail) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Apr. 08, 2022
Jun. 30, 2023
Dec. 31, 2022
Debt Instrument [Line Items]      
Proceeds from unsecured lines of credit   $ 51,000  
Borrowings under line of credit   0 $ 0
Short-term FHLB advances   $ 74,899 20,938
FHLB, advance maturity term   1 month  
Subordinated Notes Sale - 2022 [Member]      
Debt Instrument [Line Items]      
Debt Instrument, principal amount $ 20,000    
Subordinated borrowing interest rate 4.50%    
Subordinated borrowing due date   Apr. 15, 2032  
Long-term debt, fixed interest percentage rate   4.50%  
Proceeds from contributed capital     $ 15,000
Subordinated borrowing interest rate basis   The Notes, which mature on April 15, 2032, bear interest at a fixed annual rate of 4.50% for the period up to but excluding April 15, 2027 (the “Fixed Interest Rate Period”). From April 15, 2027 until maturity or redemption (the “Floating Interest Rate Period”), the interest rate will adjust to a floating rate equal to a benchmark rate, which is expected to be the then-current three-month Secured Overnight Financing Rate (SOFR), plus 203 basis points. The Company will pay interest in arrears semi-annually during the Fixed Interest Rate Period and quarterly during the Floating Interest Rate Period.  
Subordinated Notes Sale - 2022 [Member] | Board of Directors [Member]      
Debt Instrument [Line Items]      
Debt Instrument, principal amount $ 7,000    
Subordinated Notes Sale - 2022 [Member] | Secured Overnight Financing Rate (SOFR) [Member]      
Debt Instrument [Line Items]      
Basis points spread   203.00%