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Allowance For Credit Losses (Activity In The Allowance For Loan Losses) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | $ 89,785 | $ 86,575 | $ 87,966 | $ 83,745
Financing Receivable, Allowance for Credit Loss, Writeoff | 3,926 | 6,554 | 11,490 | 12,891
Financing Receivable, Allowance for Credit Loss, Recovery | 1,869 | 1,901 | 7,643 | 5,775
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Total | 2,057 | 4,653 | 3,847 | 7,116
Provision for Loan, Lease, and Other Losses | 4,030 | 5,315 | 7,639 | 10,608
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest | 91,758 | 87,237 | 91,758 | 87,237
Ending balance | 91,758 | 87,237 | 91,758 | 87,237
Commercial Financial And Agricultural [Member] |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 11,103 | 16,663 | 12,683 | 15,496
Financing Receivable, Allowance for Credit Loss, Writeoff | 475 | 3,151 | 1,048 | 3,657
Financing Receivable, Allowance for Credit Loss, Recovery | 195 | 79 | 719 | 340
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Total | 280 | 3,072 | 329 | 3,317
Provision for Loan, Lease, and Other Losses | 2,536 | 284 | 1,005 | 1,696
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest | 13,359 | 13,875 | 13,359 | 13,875
Ending balance | 13,359 | 13,875 | 13,359 | 13,875
Commercial Real Estate [Member] |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 20,499 | 16,855 | 19,571 | 16,374
Financing Receivable, Allowance for Credit Loss, Writeoff | 0 | 40 | 68 | 40
Financing Receivable, Allowance for Credit Loss, Recovery | 52 | 223 | 850 | 250
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Total | (52) | (183) | (782) | (210)
Provision for Loan, Lease, and Other Losses | (36) | 1,818 | 162 | 2,272
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest | 20,515 | 18,856 | 20,515 | 18,856
Ending balance | 20,515 | 18,856 | 20,515 | 18,856
Construction Real Estate [Member] |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 7,765 | 5,867 | 7,125 | 5,227
Financing Receivable, Allowance for Credit Loss, Writeoff | 0 | 0 | 0 | 0
Financing Receivable, Allowance for Credit Loss, Recovery | 4 | 25 | 1,115 | 1,058
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Total | (4) | (25) | (1,115) | (1,058)
Provision for Loan, Lease, and Other Losses | (650) | 194 | (1,121) | (199)
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest | 7,119 | 6,086 | 7,119 | 6,086
Ending balance | 7,119 | 6,086 | 7,119 | 6,086
Residential Real Estate [Member] |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 24,510 | 19,450 | 22,355 | 18,818
Financing Receivable, Allowance for Credit Loss, Writeoff | 27 | 0 | 152 | 31
Financing Receivable, Allowance for Credit Loss, Recovery | 14 | 40 | 114 | 307
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Total | 13 | (40) | 38 | (276)
Provision for Loan, Lease, and Other Losses | 537 | 768 | 2,717 | 1,164
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest | 25,034 | 20,258 | 25,034 | 20,258
Ending balance | 25,034 | 20,258 | 25,034 | 20,258
Consumer [Member] |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 25,716 | 27,579 | 26,081 | 27,713
Financing Receivable, Allowance for Credit Loss, Writeoff | 3,424 | 3,363 | 10,222 | 9,163
Financing Receivable, Allowance for Credit Loss, Recovery | 1,604 | 1,534 | 4,845 | 3,820
Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery, Total | 1,820 | 1,829 | 5,377 | 5,343
Provision for Loan, Lease, and Other Losses | 1,579 | 2,247 | 4,771 | 5,627
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest | 25,475 | 27,997 | 25,475 | 27,997
Ending balance | 25,475 | 27,997 | 25,475 | 27,997
Finance Leases Portfolio Segment [Member] |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 192 | 161 | 151 | 117
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 | 64 | 4 | 105 | 48
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest | 256 | 165 | 256 | 165
Ending balance | $ 256 | $ 165 | $ 256 | $ 165

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- Definition Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479344/326-20-45-1 + Details
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- Definition Amount, after recovery, of writeoff of financing receivable, charged against allowance for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-K (SK) -Number 229 -Section 1405 -Paragraph a -Subparagraph (4) -Publisher SEC Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 + Details
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- Definition Amount of increase in allowance for credit loss on financing receivable from recovery. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 + Details
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- Definition Amount of writeoff of financing receivable, charged against allowance for credit loss. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 11B -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 + Details
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- Definition Amount of credit loss expense (reversal of expense) for financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 22 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147476148/220-40-50-22 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(11)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1 + Details
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