v3.25.2
Loans (Composition Of Loan Portfolio By Class Of Loan) (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items]            
Loan balance $ 7,963,221   $ 7,817,128      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 7,963,221   7,817,128      
Financing Receivable, Allowance for Credit Loss (89,785) $ (88,130) (87,966) $ (86,575) $ (85,084) $ (83,745)
Loans and Leases Receivable, Net Amount 7,873,436   7,729,162      
Construction Real Estate Commercial [Domain]            
Financing Receivable, Credit Quality Indicator [Line Items]            
Loan balance 327,987   311,122      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 327,987   311,122      
Residential Real Estate Commercial [Member]            
Financing Receivable, Credit Quality Indicator [Line Items]            
Loan balance 698,896   644,418      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 698,896   644,418      
Residential Real Estate - Mortgage [Member]            
Financing Receivable, Credit Quality Indicator [Line Items]            
Loan balance 1,388,052   1,346,543      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,388,052   1,346,543      
Residential Real Estate - HELOC [Member]            
Financing Receivable, Credit Quality Indicator [Line Items]            
Loan balance 218,986   203,459      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 218,986   203,459      
Residential Real Estate - Installment [Member]            
Financing Receivable, Credit Quality Indicator [Line Items]            
Loan balance 5,994   6,013      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 5,994   6,013      
Construction Real Estate Retail            
Financing Receivable, Credit Quality Indicator [Line Items]            
Loan balance 102,603   101,455      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 102,603   101,455      
Commercial Financial Agricultural less PPP and Overdrafts            
Financing Receivable, Credit Quality Indicator [Line Items]            
Loan balance 1,213,042   1,268,110      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,213,042          
Bank Overdrafts            
Financing Receivable, Credit Quality Indicator [Line Items]            
Loan balance 1,188   1,475      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,188   1,475      
Commercial Real Estate [Member]            
Financing Receivable, Credit Quality Indicator [Line Items]            
Loan balance [1] 2,106,687   1,994,332      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 2,106,687   1,994,332      
Financing Receivable, Allowance for Credit Loss (20,499) (19,838) (19,571) (16,855) (17,181) (16,374)
Consumer less GFSC and Check Loans            
Financing Receivable, Credit Quality Indicator [Line Items]            
Loan balance 1,869,096   1,908,473      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,869,096   1,908,473      
Check loans            
Financing Receivable, Credit Quality Indicator [Line Items]            
Loan balance 1,760   1,899      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 1,760   1,899      
Finance Leases Portfolio Segment [Member]            
Financing Receivable, Credit Quality Indicator [Line Items]            
Loan balance 28,930   29,829      
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss 28,930   29,829      
Financing Receivable, Allowance for Credit Loss $ (192) $ (181) $ (151) $ (161) $ (163) $ (117)
[1] Included within each of commercial, financial and agricultural loans and commercial real estate loans is an immaterial amount of consumer loans that were not broken out by class.