v3.26.1
Loan and Lease Receivables and Allowance for Credit Losses - Additional Information (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Mar. 31, 2026
Dec. 31, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Accounts Notes And Loans Receivable [Line Items]            
Total loans and leases $ 7,529,682   $ 7,496,598      
Loans held for sale pledged as security for borrowings 2,100,000   2,000,000      
Accrued interest on loans and leases 33,000   34,800      
Allowance for loan and lease losses 111,861 $ 108,879 108,834 $ 107,727 $ 100,420 $ 97,988
Term loans converted from revolving loans 29,700   43,300      
Acquired Impaired Loans            
Accounts Notes And Loans Receivable [Line Items]            
Allowance for loan and lease losses 2,500   3,000      
Acquired Non Impaired Loans [Member]            
Accounts Notes And Loans Receivable [Line Items]            
Allowance for loan and lease losses 2,500   3,600      
Installment and Other            
Accounts Notes And Loans Receivable [Line Items]            
Total loans and leases 9,729   17,727      
Overdraft deposits reclassified as loans 570   2,600      
Allowance for loan and lease losses 57 $ 109 92 $ 176 $ 20 $ 45
U.S. Government Guaranteed Loans            
Accounts Notes And Loans Receivable [Line Items]            
Total loans and leases 104,500   97,800      
Discount on the unguaranteed portion of government guaranteed loans $ 26,000   $ 25,600