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Loans - TDR Number of Contracts Modified And Recorded Investment (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 USD ($) contracts | Dec. 31, 2014 USD ($) contracts | Dec. 31, 2013 USD ($) contracts
Financing Receivable, Recorded Investment [Line Items] |  |  |
Number of Contracts | contracts | 424 | 450 | 496
Total Recorded Investment Modified as TDRs During Period | $ 23,324 | $ 8,395 | $ 18,467
Commercial, financial and agricultural |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Number of Contracts | contracts | 39 | 30 | 34
Total Recorded Investment Modified as TDRs During Period | $ 12,588 | $ 723 | $ 1,341
Commercial real estate |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Number of Contracts | contracts | 14 | 11 | 22
Total Recorded Investment Modified as TDRs During Period | $ 4,160 | $ 2,438 | $ 8,563
SEPH commercial land and development |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Number of Contracts | contracts | 0 |  |
SEPH commercial land and development |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Number of Contracts | contracts |  | 0 | 0
Remaining commercial |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Number of Contracts | contracts | 2 | 2 | 3
Total Recorded Investment Modified as TDRs During Period | $ 513 | $ 206 | $ 98
Mortgage |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Number of Contracts | contracts | 1 | 0 | 0
Total Recorded Investment Modified as TDRs During Period | $ 19 |  |
Installment |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Number of Contracts | contracts | 0 | 2 | 4
Total Recorded Investment Modified as TDRs During Period |  | $ 56 | $ 51
Commercial |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Number of Contracts | contracts | 11 | 9 | 15
Total Recorded Investment Modified as TDRs During Period | $ 1,185 | $ 866 | $ 2,552
Mortgage |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Number of Contracts | contracts | 39 | 46 | 62
Total Recorded Investment Modified as TDRs During Period | $ 3,254 | $ 2,357 | $ 4,245
HELOC |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Number of Contracts | contracts | 26 | 10 | 16
Total Recorded Investment Modified as TDRs During Period | $ 360 | $ 326 | $ 175
Installment |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Number of Contracts | contracts | 9 | 10 | 13
Total Recorded Investment Modified as TDRs During Period | $ 155 | $ 121 | $ 292
Consumer |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Number of Contracts | contracts | 283 | 330 | 327
Total Recorded Investment Modified as TDRs During Period | $ 1,090 | $ 1,302 | $ 1,150
Accruing |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Recorded Investment Modified as TDRs During Period | 11,766 | 1,946 | 3,093
Accruing | Commercial, financial and agricultural |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Recorded Investment Modified as TDRs During Period | 8,948 | 292 | 7
Accruing | Commercial real estate |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Recorded Investment Modified as TDRs During Period | 637 | 1,184 |
Accruing | Remaining commercial |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Recorded Investment Modified as TDRs During Period | 513 |  |
Accruing | Mortgage |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Recorded Investment Modified as TDRs During Period | 19 | 0 | 0
Accruing | Installment |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Recorded Investment Modified as TDRs During Period | 0 | 0 | 26
Accruing | Mortgage |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Recorded Investment Modified as TDRs During Period | 1,132 | 32 | 1,967
Accruing | HELOC |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Recorded Investment Modified as TDRs During Period | 315 | 85 | 175
Accruing | Installment |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Recorded Investment Modified as TDRs During Period |  | 109 | 113
Accruing | Consumer |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Recorded Investment Modified as TDRs During Period | 202 | 244 | 805
Nonaccrual |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Recorded Investment Modified as TDRs During Period | 11,558 | 6,449 | 15,374
Nonaccrual | Commercial, financial and agricultural |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Recorded Investment Modified as TDRs During Period | 3,640 | 431 | 1,334
Nonaccrual | Commercial real estate |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Recorded Investment Modified as TDRs During Period | 3,523 | 1,254 | 8,563
Nonaccrual | Remaining commercial |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Recorded Investment Modified as TDRs During Period |  | 206 | 98
Nonaccrual | Installment |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Recorded Investment Modified as TDRs During Period |  | 56 | 25
Nonaccrual | Commercial |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Recorded Investment Modified as TDRs During Period | 1,185 | 866 | 2,552
Nonaccrual | Mortgage |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Recorded Investment Modified as TDRs During Period | 2,122 | 2,325 | 2,278
Nonaccrual | HELOC |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Recorded Investment Modified as TDRs During Period | 45 | 241 | 0
Nonaccrual | Installment |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Recorded Investment Modified as TDRs During Period | 155 | 12 | 179
Nonaccrual | Consumer |  |  |
Financing Receivable, Recorded Investment [Line Items] |  |  |
Total Recorded Investment Modified as TDRs During Period | $ 888 | $ 1,058 | $ 345

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