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Loans (Aging Of Recorded Investment In Past Due Loans) (Details) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2012 | Dec. 31, 2011
--- | --- | ---
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Accruing loans past due 30-89 days | $ 36,645 |  | $ 37,517 |
Past due nonaccrual loans and loans past due 90 days or more and accruing | 77,146 | [1] | 94,663 | [2]
Total loans past due | 113,791 |  | 132,180 |
Total current | 4,301,864 |  | 4,199,603 |
Recorded Investment | 4,415,655 |  | 4,331,783 |
Loans past due 90 days or more and accruing | 2,131 |  | 3,561 |
Commercial, Financial And Agricultural [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Accruing loans past due 30-89 days | 2,096 |  | 3,106 |
Past due nonaccrual loans and loans past due 90 days or more and accruing | 12,214 | [1] | 11,308 | [2]
Total loans past due | 14,310 |  | 14,414 |
Total current | 761,847 |  | 732,504 |
Recorded Investment | 776,157 |  | 746,918 |
Loans past due 90 days or more and accruing | 0 |  |  |
Construction Real Estate - Vision/SEPH Commercial Land And Development [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Accruing loans past due 30-89 days | 497 |  |  |
Past due nonaccrual loans and loans past due 90 days or more and accruing | 10,611 | [1] | 19,235 | [2]
Total loans past due | 11,108 |  | 19,235 |
Total current | 4,718 |  | 12,399 |
Recorded Investment | 15,826 | [3] | 31,634 | [3]
Loans past due 90 days or more and accruing | 0 |  |  |
Construction Real Estate - Remaining Commercial [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Accruing loans past due 30-89 days | 47 |  | 99 |
Past due nonaccrual loans and loans past due 90 days or more and accruing | 5,327 | [1] | 7,839 | [2]
Total loans past due | 5,374 |  | 7,938 |
Total current | 133,673 |  | 148,509 |
Recorded Investment | 139,047 |  | 156,447 |
Loans past due 90 days or more and accruing | 0 |  |  |
Construction Real Estate - Mortgage [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Accruing loans past due 30-89 days | 560 |  | 76 |
Past due nonaccrual loans and loans past due 90 days or more and accruing | 85 | [1] |  | [2]
Total loans past due | 645 |  | 76 |
Total current | 25,229 |  | 20,027 |
Recorded Investment | 25,874 |  | 20,103 |
Loans past due 90 days or more and accruing | 0 |  |  |
Construction Real Estate - Installment [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Accruing loans past due 30-89 days | 284 |  | 421 |
Past due nonaccrual loans and loans past due 90 days or more and accruing | 40 | [1] | 8 | [2]
Total loans past due | 324 |  | 429 |
Total current | 8,503 |  | 9,483 |
Recorded Investment | 8,827 |  | 9,912 |
Loans past due 90 days or more and accruing | 0 |  |  |
Residential Real Estate - Commercial [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Accruing loans past due 30-89 days | 2,134 |  | 1,545 |
Past due nonaccrual loans and loans past due 90 days or more and accruing | 9,002 | [1] | 10,097 | [2]
Total loans past due | 11,136 |  | 11,642 |
Total current | 385,647 |  | 385,287 |
Recorded Investment | 396,783 |  | 396,929 |
Loans past due 90 days or more and accruing | 0 |  |  |
Residential Real Estate - Mortgage [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Accruing loans past due 30-89 days | 12,397 |  | 15,879 |
Past due nonaccrual loans and loans past due 90 days or more and accruing | 18,558 | [1] | 20,614 | [2]
Total loans past due | 30,955 |  | 36,493 |
Total current | 1,018,631 |  | 918,787 |
Recorded Investment | 1,049,586 |  | 955,280 |
Loans past due 90 days or more and accruing | 1,132 |  | 2,610 |
Residential Real Estate - HELOC [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Accruing loans past due 30-89 days | 484 |  | 1,015 |
Past due nonaccrual loans and loans past due 90 days or more and accruing | 634 | [1] | 436 | [2]
Total loans past due | 1,118 |  | 1,451 |
Total current | 218,008 |  | 227,173 |
Recorded Investment | 219,126 |  | 228,624 |
Loans past due 90 days or more and accruing | 0 |  |  |
Residential Real Estate - Installment [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Accruing loans past due 30-89 days | 747 |  | 1,549 |
Past due nonaccrual loans and loans past due 90 days or more and accruing | 781 | [1] | 1,136 | [2]
Total loans past due | 1,528 |  | 2,685 |
Total current | 44,078 |  | 48,905 |
Recorded Investment | 45,606 |  | 51,590 |
Loans past due 90 days or more and accruing | 129 |  | 58 |
Commercial Real Estate [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Accruing loans past due 30-89 days | 6,205 |  | 2,632 |
Past due nonaccrual loans and loans past due 90 days or more and accruing | 16,830 | [1] | 21,798 | [2]
Total loans past due | 23,035 |  | 24,430 |
Total current | 1,062,939 |  | 1,088,379 |
Recorded Investment | 1,085,974 | [3] | 1,112,809 | [3]
Loans past due 90 days or more and accruing | 0 |  |  |
Consumer [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Accruing loans past due 30-89 days | 11,194 |  | 11,195 |
Past due nonaccrual loans and loans past due 90 days or more and accruing | 3,064 | [1] | 2,192 | [2]
Total loans past due | 14,258 |  | 13,387 |
Total current | 635,105 |  | 606,048 |
Recorded Investment | 649,363 |  | 619,435 |
Loans past due 90 days or more and accruing | 870 |  | 893 |
Leases [Member] |  |  |  |
Financing Receivable, Recorded Investment, Past Due [Line Items] |  |  |  |
Accruing loans past due 30-89 days |  |  |  |
Past due nonaccrual loans and loans past due 90 days or more and accruing |  | [1] |  | [2]
Total loans past due |  |  |  |
Total current | 3,486 |  | 2,102 |
Recorded Investment | $ 3,486 |  | $ 2,102 |
[1] | Includes $2.1 million of loans past due 90 days or more and accruing. The remaining are past due, nonaccrual loans. December 31, 2011(in thousands)Accruing loanspast due 30-89days Past duenonaccrual loans and loans pastdue 90 days ormore andaccruing* Total past due Total current Total recordedinvestmentCommercial, financial and agricultural$3,106 $11,308 $14,414 $732,504 $746,918Commercial real estate2,632 21,798 24,430 1,088,379 1,112,809Construction real estate: Vision commercial land and development— 19,235 19,235 12,399 31,634Remaining commercial99 7,839 7,938 148,509 156,447Mortgage76 — 76 20,027 20,103Installment421 8 429 9,483 9,912Residential real estate: Commercial1,545 10,097 11,642 385,287 396,929Mortgage15,879 20,614 36,493 918,787 955,280HELOC1,015 436 1,451 227,173 228,624Installment1,549 1,136 2,685 48,905 51,590Consumer11,195 2,192 13,387 606,048 619,435Leases— — — 2,102 2,102Total loans$37,517 $94,663 $132,180 $4,199,603 $4,331,783* Includes $3.6 million of loans past due 90 days or more and accruing. The remaining are past due, nonaccrual loans.
[2] | * Includes $2.1 million of loans past due 90 days or more and accruing. The remaining are past due, nonaccrual loans.
[3] | Included within commercial, financial and agricultural loans, commercial real estate loans, and Vision/SEPH commercial land and development loans is an immaterial amount of consumer loans that are not broken out by class.

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