Quarterly report [Sections 13 or 15(d)]

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

v3.26.3
Off-Balance Sheet Commitments - Distribution of Total Loan Commitments (Detail) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Loss Contingencies [Line Items]    
Total commitments $ 1,234,279 $ 1,098,954
Unused Commitments to Extend Credit    
Loss Contingencies [Line Items]    
Total commitments 990,715 930,122
Standby letters of credit    
Loss Contingencies [Line Items]    
Total commitments 219,154 163,071
Commercial letters of credit    
Loss Contingencies [Line Items]    
Total commitments $ 24,410 $ 5,761