v3.26.1
Loans (Nonaccrual) (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Dec. 31, 2024
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Nonaccrual, No Allowance $ 50,980 $ 44,776    
FinancingReceivableNonaccrualWithAllowance 29,568 21,739    
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest 108,590 92,973 $ 88,130 $ 87,966
Nonperforming Financial Instruments [Member]        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest 4,365 2,077    
Commercial Financial And Agricultural [Member]        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Nonaccrual, No Allowance 11,700 13,633    
FinancingReceivableNonaccrualWithAllowance 7,531 2,184    
Commercial Financial And Agricultural [Member] | Nonperforming Financial Instruments [Member]        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest 2,853 744    
Construction Real Estate Commercial [Domain]        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Nonaccrual, No Allowance 732 577    
FinancingReceivableNonaccrualWithAllowance 0 0    
Construction Real Estate Commercial [Domain] | Nonperforming Financial Instruments [Member]        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest 0 0    
Residential Real Estate Commercial [Member]        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Nonaccrual, No Allowance 2,230 1,565    
FinancingReceivableNonaccrualWithAllowance 699 0    
Residential Real Estate Commercial [Member] | Nonperforming Financial Instruments [Member]        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest 161 0    
Construction Real Estate Retail        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Nonaccrual, No Allowance 0 0    
FinancingReceivableNonaccrualWithAllowance 91 97    
Construction Real Estate Retail | Nonperforming Financial Instruments [Member]        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest 39 41    
Residential Real Estate - Mortgage [Member]        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Nonaccrual, No Allowance 0 0    
FinancingReceivableNonaccrualWithAllowance 16,016 14,964    
Residential Real Estate - Mortgage [Member] | Nonperforming Financial Instruments [Member]        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest 236 225    
Residential Real Estate - HELOC [Member]        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Nonaccrual, No Allowance 0 0    
FinancingReceivableNonaccrualWithAllowance 1,559 1,702    
Residential Real Estate - HELOC [Member] | Nonperforming Financial Instruments [Member]        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest 124 108    
Residential Real Estate - Installment [Member]        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Nonaccrual, No Allowance 0 0    
FinancingReceivableNonaccrualWithAllowance 49 53    
Residential Real Estate - Installment [Member] | Nonperforming Financial Instruments [Member]        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest 1 1    
Commercial Real Estate [Member]        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Nonaccrual, No Allowance 36,212 28,879    
FinancingReceivableNonaccrualWithAllowance 1,037 0    
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest 25,872 18,177 19,838 19,571
Commercial Real Estate [Member] | Nonperforming Financial Instruments [Member]        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest 36 0    
Bank Overdrafts        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Nonaccrual, No Allowance 0 0    
FinancingReceivableNonaccrualWithAllowance 0 0    
Bank Overdrafts | Nonperforming Financial Instruments [Member]        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest 0 0    
Consumer [Member]        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Nonaccrual, No Allowance 0 0    
FinancingReceivableNonaccrualWithAllowance 2,546 2,693    
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest 25,743 25,393 25,815 26,081
Consumer [Member] | Nonperforming Financial Instruments [Member]        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest 910 947    
Check loans        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Nonaccrual, No Allowance 0 0    
FinancingReceivableNonaccrualWithAllowance 0 0    
Check loans | Nonperforming Financial Instruments [Member]        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest 0 0    
Finance Leases Portfolio Segment [Member]        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Nonaccrual, No Allowance 106 122    
FinancingReceivableNonaccrualWithAllowance 40 46    
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest 266 208 $ 181 $ 151
Finance Leases Portfolio Segment [Member] | Nonperforming Financial Instruments [Member]        
Financing Receivable, Impaired [Line Items]        
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest $ 5 $ 11