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Loans and Allowance for Credit Losses - Summary of Amortized Cost of Nonaccrual Loans with No Related Allowance (Detail) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Financing Receivable Nonaccrual Status [Line Items]    
Nonaccrual Loans $ 17,756 $ 13,212
Amortized Cost of Nonaccrual Loans with no related Allowance 17,756 13,212
Commercial and Industrial Portfolio [Member]    
Financing Receivable Nonaccrual Status [Line Items]    
Nonaccrual Loans 5,634 7,033
Amortized Cost of Nonaccrual Loans with no related Allowance 5,634 7,033
Commercial Real Estate Portfolio [Member]    
Financing Receivable Nonaccrual Status [Line Items]    
Nonaccrual Loans 5,831 737
Amortized Cost of Nonaccrual Loans with no related Allowance 5,831 737
Consumer Real Estate Portfolio [Member]    
Financing Receivable Nonaccrual Status [Line Items]    
Nonaccrual Loans 5,994 5,058
Amortized Cost of Nonaccrual Loans with no related Allowance 5,994 5,058
Consumer Portfolio [Member]    
Financing Receivable Nonaccrual Status [Line Items]    
Nonaccrual Loans 29 28
Amortized Cost of Nonaccrual Loans with no related Allowance 29 28
Credit Cards Portfolio [Member]    
Financing Receivable Nonaccrual Status [Line Items]    
Nonaccrual Loans 268 285
Amortized Cost of Nonaccrual Loans with no related Allowance $ 268 285
Leases and Other Portfolio [Member]    
Financing Receivable Nonaccrual Status [Line Items]    
Nonaccrual Loans   71
Amortized Cost of Nonaccrual Loans with no related Allowance   $ 71