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Loans (Loans Individually Evaluated For Impairment By Class Of Loans) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015 | Dec. 31, 2015
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | $ 100,188 |  | $ 100,188 |  | $ 109,305
Recorded investment | 77,998 | $ 69,224 | 77,998 | $ 69,224 | 80,664
Allowance for loan losses allocated | 4,232 |  | 4,232 |  | 4,191
Impaired Financing Receivable, Average Recorded Investment | 84,736 | 69,933 | 81,191 | 69,541 |
Impaired Financing Receivable, Interest Income, Cash Basis Method | 767 | 409 | 4,011 | 1,513 |
Commercial Financial And Agricultural [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 23,856 | 19,154 | 23,856 | 19,154 |
Impaired Financing Receivable, Average Recorded Investment | 26,679 | 19,793 | 28,217 | 19,056 |
Impaired Financing Receivable, Interest Income, Cash Basis Method | 194 | 35 | 740 | 306 |
Commercial Financial And Agricultural [Member] | Financing Receivable With No Related Allowance Recorded [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | 27,346 |  | 27,346 |  | 32,583
Recorded investment | 13,225 |  | 13,225 |  | 18,763
Allowance for loan losses allocated | 0 |  | 0 |  | 0
Commercial Financial And Agricultural [Member] | Financing Receivable With A Related Allowance Recorded [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | 14,777 |  | 14,777 |  | 16,155
Recorded investment | 10,631 |  | 10,631 |  | 11,832
Allowance for loan losses allocated | 3,191 |  | 3,191 |  | 1,904
Construction Real Estate, SEPH Commercial Land and Development [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 1,700 | 2,045 | 1,700 | 2,045 |
Impaired Financing Receivable, Average Recorded Investment | 1,700 | 2,068 | 1,906 | 2,073 |
Impaired Financing Receivable, Interest Income, Cash Basis Method | 0 | 0 | 0 | 8 |
Construction Real Estate, SEPH Commercial Land and Development [Member] | Financing Receivable With No Related Allowance Recorded [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | 3,268 |  | 3,268 |  | 10,834
Recorded investment | 1,700 |  | 1,700 |  | 2,044
Allowance for loan losses allocated | 0 |  | 0 |  | 0
Construction Real Estate - Remaining Commercial [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 2,677 | 5,993 | 2,677 | 5,993 |
Impaired Financing Receivable, Average Recorded Investment | 3,943 | 6,059 | 4,338 | 5,771 |
Impaired Financing Receivable, Interest Income, Cash Basis Method | 16 | 2 | 44 | 13 |
Construction Real Estate - Remaining Commercial [Member] | Financing Receivable With No Related Allowance Recorded [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | 1,882 |  | 1,882 |  | 2,506
Recorded investment | 1,834 |  | 1,834 |  | 1,531
Allowance for loan losses allocated | 0 |  | 0 |  | 0
Construction Real Estate - Remaining Commercial [Member] | Financing Receivable With A Related Allowance Recorded [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | 2,112 |  | 2,112 |  | 3,145
Recorded investment | 843 |  | 843 |  | 3,145
Allowance for loan losses allocated | 61 |  | 61 |  | 1,356
Residential Real Estate - Commercial [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 23,700 | 24,370 | 23,700 | 24,370 |
Impaired Financing Receivable, Average Recorded Investment | 24,422 | 24,560 | 24,618 | 24,784 |
Impaired Financing Receivable, Interest Income, Cash Basis Method | 314 | 240 | 2,619 | 768 |
Residential Real Estate - Commercial [Member] | Financing Receivable With No Related Allowance Recorded [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | 22,671 |  | 22,671 |  | 23,798
Recorded investment | 21,975 |  | 21,975 |  | 23,480
Allowance for loan losses allocated | 0 |  | 0 |  | 0
Residential Real Estate - Commercial [Member] | Financing Receivable With A Related Allowance Recorded [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | 1,803 |  | 1,803 |  | 1,951
Recorded investment | 1,725 |  | 1,725 |  | 1,844
Allowance for loan losses allocated | 455 |  | 455 |  | 550
Commercial Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 26,065 | 17,662 | 26,065 | 17,662 |
Impaired Financing Receivable, Average Recorded Investment | 27,982 | 17,453 | 22,108 | 17,857 |
Impaired Financing Receivable, Interest Income, Cash Basis Method | 243 | $ 132 | 608 | $ 418 |
Commercial Real Estate [Member] | Financing Receivable With No Related Allowance Recorded [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | 23,558 |  | 23,558 |  | 15,138
Recorded investment | 23,294 |  | 23,294 |  | 14,916
Allowance for loan losses allocated | 0 |  | 0 |  | 0
Commercial Real Estate [Member] | Financing Receivable With A Related Allowance Recorded [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Unpaid principal balance | 2,771 |  | 2,771 |  | 3,195
Recorded investment | 2,771 |  | 2,771 |  | 3,109
Allowance for loan losses allocated | 525 |  | 525 |  | $ 381
Consumer [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Impaired Financing Receivable, Average Recorded Investment | $ 10 |  | $ 4 |  |

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