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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, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015 | Dec. 31, 2015
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | $ 90,844 | $ 70,596 | $ 90,844 | $ 70,596 | $ 80,664
Average recorded investment | 81,825 | 67,192 | 80,544 | 69,468 |
Interest income recognized | 848 | 542 | 3,244 | 1,104 |
Commercial Financial And Agricultural [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 29,779 | 20,429 | 29,779 | 20,429 |
Average recorded investment | 28,600 | 18,220 | 29,319 | 18,830 |
Interest income recognized | 308 | 140 | 546 | 271 |
Construction Real Estate, SEPH Commercial Land and Development [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 1,700 | 2,047 | 1,700 | 2,047 |
Average recorded investment | 1,957 | 2,068 | 1,994 | 2,072 |
Interest income recognized | 0 | 0 | 0 | 8 |
Construction Real Estate - Remaining Commercial [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 4,386 | 6,032 | 4,386 | 6,032 |
Average recorded investment | 4,438 | 5,611 | 4,570 | 5,644 |
Interest income recognized | 15 | 6 | 28 | 11 |
Residential Real Estate - Commercial [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 25,070 | 24,441 | 25,070 | 24,441 |
Average recorded investment | 24,648 | 24,443 | 24,795 | 24,864 |
Interest income recognized | 340 | 273 | 2,305 | 528 |
Commercial Real Estate [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 29,889 | 17,647 | 29,889 | 17,647 |
Average recorded investment | 22,177 | 16,850 | 19,863 | 18,058 |
Interest income recognized | 185 | $ 123 | 365 | $ 286 |
Consumer [Member] |  |  |  |  |
Financing Receivable, Impaired [Line Items] |  |  |  |  |
Recorded investment | 20 |  | 20 |  |
Average recorded investment | $ 5 |  | $ 3 |  |

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