Loans (Recorded Investment In Nonaccrual Restructured And Loans Past Due 90 Days Or More And Accruing) (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Financing Receivable, Credit Quality Indicator [Line Items]
Nonaccrual loans	$ 81,249	$ 66,515
Loans past due 90 days or more and accruing	2,514	2,738
Total nonperforming loans	83,763	69,253
Commercial Financial And Agricultural [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Nonaccrual loans	18,415	15,817
Loans past due 90 days or more and accruing	11	10
Total nonperforming loans	18,426	15,827
Construction Real Estate Commercial [Domain]
Financing Receivable, Credit Quality Indicator [Line Items]
Nonaccrual loans	1,330	577
Loans past due 90 days or more and accruing	0	0
Total nonperforming loans	1,330	577
Residential Real Estate Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Nonaccrual loans	3,367	1,565
Loans past due 90 days or more and accruing	0	0
Total nonperforming loans	3,367	1,565
Residential Real Estate - Mortgage [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Nonaccrual loans	18,736	14,964
Loans past due 90 days or more and accruing	1,847	1,483
Total nonperforming loans	20,583	16,447
Residential Real Estate - HELOC [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Nonaccrual loans	1,638	1,702
Loans past due 90 days or more and accruing	148	0
Total nonperforming loans	1,786	1,702
Residential Real Estate - Installment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Nonaccrual loans	26	53
Loans past due 90 days or more and accruing	0	0
Total nonperforming loans	26	53
Construction Real Estate Retail
Financing Receivable, Credit Quality Indicator [Line Items]
Nonaccrual loans	212	97
Loans past due 90 days or more and accruing	0	17
Total nonperforming loans	212	114
Commercial Real Estate [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Nonaccrual loans	34,423	28,879
Loans past due 90 days or more and accruing	0	0
Total nonperforming loans	34,423	28,879
Finance Leases Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Nonaccrual loans	214	168
Loans past due 90 days or more and accruing	0	0
Total nonperforming loans	214	168
Consumer less GFSC and Check Loans
Financing Receivable, Credit Quality Indicator [Line Items]
Nonaccrual loans	2,888	2,693
Loans past due 90 days or more and accruing	507	1,228
Total nonperforming loans	$ 3,395	$ 3,921