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Loans (Average Recorded Investment And Interest Income Recognized On Loans Individually Evaluated For Impairment) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014 | Dec. 31, 2014
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | $ 70,596 | $ 96,005 | $ 70,596 | $ 96,005 | $ 73,712
Average recorded investment | 67,192 | 99,863 | 69,468 | 103,585 |
Interest income recognized | 542 | 737 | 1,104 | 1,417 |
Commercial Financial And Agricultural [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 20,429 | 17,628 | 20,429 | 17,628 |
Average recorded investment | 18,220 | 18,867 | 18,830 | 19,456 |
Interest income recognized | 140 | 75 | 271 | 136 |
Construction Real Estate, SEPH Commercial Land and Development [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 2,047 | 4,378 | 2,047 | 4,378 |
Average recorded investment | 2,068 | 4,329 | 2,072 | 4,439 |
Interest income recognized | 0 | 66 | 8 | 122 |
Construction Real Estate - Remaining Commercial [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 6,032 | 9,954 | 6,032 | 9,954 |
Average recorded investment | 5,611 | 10,150 | 5,644 | 10,227 |
Interest income recognized | 6 | 7 | 11 | 54 |
Residential Real Estate - Commercial [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 24,441 | 28,775 | 24,441 | 28,775 |
Average recorded investment | 24,443 | 30,212 | 24,864 | 30,577 |
Interest income recognized | 273 | 307 | 528 | 570 |
Commercial Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 17,647 | 35,138 | 17,647 | 35,138 |
Average recorded investment | 16,850 | 35,638 | 18,058 | 38,163 |
Interest income recognized | 123 | 282 | 286 | 535 |
Consumer [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment |  | 132 |  | 132 |
Average recorded investment |  | 667 |  | 723 |
Interest income recognized | $ 0 | $ 0 | $ 0 | $ 0 |

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