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Loans - Additional Information (Detail) - USD ($)
$ in Thousands
Jun. 30, 2023
Mar. 31, 2023
Dec. 31, 2022
Jun. 30, 2022
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Residential mortgage loan     $ 659 $ 1,008
Loans $ 2,517,701   2,357,903  
Allowance for loan losses 24,910 $ 24,634 20,313  
HELOC [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Loans 253,444   242,360  
Commercial Real Estate [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Residential mortgage loan     14 $ 197
Loans 1,280,902   1,152,603  
Allowance for loan losses 16,681 $ 16,088 11,924  
Asset Pledged as Collateral without Right [Member] | HELOC [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Residential mortgage loan 11,000   10,400  
Asset Pledged as Collateral without Right [Member] | Commercial Real Estate [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Residential mortgage loan 165,200      
Asset Pledged as Collateral without Right [Member] | Residential Mortgage [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Residential mortgage loan $ 213,700   $ 222,500