v3.26.1
Loan and Lease Receivables and Allowance for Credit Losses - Additional Information 1 (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Risk ratings for loans     $ 1,000,000    
Assessment of modified loans $ 500,000   500,000    
Allowance for credit losses period increase decrease 3,000,000 $ 7,300,000 3,000,000 $ 9,700,000  
Weighted average principal forgiveness 100,000   $ 100,000    
Reduction in the contractual rate     1.00%    
Interest income on non-accrual loans and leases 127,524,000 128,199,000 $ 253,474,000 249,429,000  
Commitments outstanding on modified loans 3,900,000   3,900,000   $ 2,000,000
Adjustment for acquired PCD loans   3,206,000   3,206,000  
First Security Bancorp, Inc.          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Adjustment for acquired PCD loans   3,200,000      
Commercial Real Estate          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Non-accrual loans without allowance 2,800,000   2,800,000   2,700,000
Adjustment for acquired PCD loans   1,503,000   1,503,000  
Commercial and Industrial          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Non-accrual loans without allowance 1,900,000   1,900,000   5,600,000
Adjustment for acquired PCD loans   407,000   407,000  
Residential Real Estate          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Non-accrual loans without allowance 83,000   83,000   $ 85,000
Adjustment for acquired PCD loans   144,000   144,000  
Individually Evaluated For Impairment          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Allowance for credit losses period increase decrease 3,700,000 4,300,000 5,800,000 2,800,000  
Collectively Evaluated For Impairment          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Allowance for credit losses period increase decrease (692,000) (3,000,000) (2,800,000) (7,000,000)  
Non Accrual Loans          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Interest income on non-accrual loans and leases $ 701,000 $ 899,000 $ 1,500,000 $ 1,900,000