Quarterly report pursuant to Section 13 or 15(d)

Off-Balance Sheet Commitments - Distribution of Total Loan Commitments (Detail)

v3.22.2.2
Off-Balance Sheet Commitments - Distribution of Total Loan Commitments (Detail) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Loss Contingencies [Line Items]    
Total commitments $ 829,462 $ 715,022
Unused Commitments to Extend Credit    
Loss Contingencies [Line Items]    
Total commitments 746,354 626,474
Standby letters of credit    
Loss Contingencies [Line Items]    
Total commitments 63,597 49,287
Commercial letters of credit    
Loss Contingencies [Line Items]    
Total commitments $ 19,511 $ 39,261