Allowance For Credit Losses (Activity In The Allowance For Loan Losses) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	$ 108,590	$ 88,130	$ 92,973	$ 87,966
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration				1,803
Financing Receivable, Allowance for Credit Loss, Purchased Seasoned Loan			13,770
Financing Receivable, Allowance for Credit Loss, Writeoff	4,470	3,959	8,910	7,564
Financing Receivable, Allowance for Credit Loss, Recovery	1,991	2,761	3,803	5,774
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Total	2,479	1,198	5,107	1,790
Provision for Loan, Lease, and Other Losses	4,575	2,853	7,247	3,609
Ending balance	110,686	89,785	110,686	89,785
Commercial Financial And Agricultural [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	17,586	11,408	14,142	12,683
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration				411
Financing Receivable, Allowance for Credit Loss, Purchased Seasoned Loan			1,278
Financing Receivable, Allowance for Credit Loss, Writeoff	1,442	272	2,041	573
Financing Receivable, Allowance for Credit Loss, Recovery	240	187	586	524
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Total	1,202	85	1,455	49
Provision for Loan, Lease, and Other Losses	3,596	(220)	5,604	(1,531)
Ending balance	19,980	11,103	19,980	11,103
Commercial Real Estate [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	25,872	19,838	18,177	19,571
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration				630
Financing Receivable, Allowance for Credit Loss, Purchased Seasoned Loan			6,841
Financing Receivable, Allowance for Credit Loss, Writeoff	17	68	37	68
Financing Receivable, Allowance for Credit Loss, Recovery	17	784	23	798
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Total	0	(716)	14	(730)
Provision for Loan, Lease, and Other Losses	333	(55)	571	198
Ending balance	26,205	20,499	26,205	20,499
Construction Real Estate [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	8,435	8,139	7,709	7,125
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration				580
Financing Receivable, Allowance for Credit Loss, Purchased Seasoned Loan			1,722
Financing Receivable, Allowance for Credit Loss, Writeoff	0	0	0	0
Financing Receivable, Allowance for Credit Loss, Recovery	1	7	8	1,111
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Total	(1)	(7)	(8)	(1,111)
Provision for Loan, Lease, and Other Losses	(543)	(381)	(2,126)	(471)
Ending balance	7,893	7,765	7,893	7,765
Residential Real Estate [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	30,688	22,749	27,344	22,355
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration				180
Financing Receivable, Allowance for Credit Loss, Purchased Seasoned Loan			3,752
Financing Receivable, Allowance for Credit Loss, Writeoff	80	100	199	125
Financing Receivable, Allowance for Credit Loss, Recovery	134	55	173	100
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Total	(54)	45	26	25
Provision for Loan, Lease, and Other Losses	(400)	1,806	(908)	2,180
Ending balance	30,342	24,510	30,342	24,510
Consumer [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	25,743	25,815	25,393	26,081
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration				2
Financing Receivable, Allowance for Credit Loss, Purchased Seasoned Loan			177
Financing Receivable, Allowance for Credit Loss, Writeoff	2,931	3,519	6,633	6,798
Financing Receivable, Allowance for Credit Loss, Recovery	1,599	1,728	3,013	3,241
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Total	1,332	1,791	3,620	3,557
Provision for Loan, Lease, and Other Losses	1,588	1,692	4,047	3,192
Ending balance	25,999	25,716	25,999	25,716
Finance Leases Portfolio Segment [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	266	181	208	151
Financing Receivable, Allowance for Credit Loss, Purchased with Credit Deterioration				0
Financing Receivable, Allowance for Credit Loss, Purchased Seasoned Loan			0
Financing Receivable, Allowance for Credit Loss, Writeoff	0	0	0	0
Financing Receivable, Allowance for Credit Loss, Recovery	0	0	0	0
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Total	0	0	0	0
Provision for Loan, Lease, and Other Losses	1	11	59	41
Ending balance	$ 267	$ 192	$ 267	$ 192

Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

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-Topic 942
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Amount of increase in allowance for credit loss for financing receivable from purchased seasoned loan.

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Amount of increase in allowance for credit loss for financing receivable purchased with credit deterioration.

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- Definition

Amount, after recovery, of writeoff of financing receivable, charged against allowance for credit loss.

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Amount of increase in allowance for credit loss on financing receivable from recovery.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of writeoff of financing receivable, charged against allowance for credit loss.

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- Definition

Amount of credit loss expense (reversal of expense) for financing receivable.

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