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Loans and Allowance for Loan Losses (Details 8) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2017 USD ($) Contract | Sep. 30, 2016 USD ($) Contract | Sep. 30, 2017 USD ($) Contract | Sep. 30, 2016 USD ($) Contract
Loans that were modified as TDRs |  |  |  |  |
Number of Contracts | Contract | [1] | 1 | 6 | 3 | 7
Pre- Modification | [1] | $ 14 | $ 330 | $ 201 | $ 408
Post- Modification | [1] | $ 14 | $ 328 | $ 196 | $ 406
Commercial, financial, and agricultural |  |  |  |  |
Loans that were modified as TDRs |  |  |  |  |
Number of Contracts | Contract | [1] | 0 | 2 | 1 | 2
Pre- Modification | [1] | $ 0 | $ 32 | $ 131 | $ 32
Post- Modification | [1] | $ 0 | $ 32 | $ 130 | $ 32
Residential real estate | Mortgage |  |  |  |  |
Loans that were modified as TDRs |  |  |  |  |
Number of Contracts | Contract | [1] | 1 | 4 | 1 | 5
Pre- Modification | [1] | $ 14 | $ 298 | $ 14 | $ 376
Post- Modification | [1] | $ 14 | $ 296 | $ 14 | $ 374
Commercial real estate | Mortgage |  |  |  |  |
Loans that were modified as TDRs |  |  |  |  |
Number of Contracts | Contract | [1] |  |  | 1 | 0
Pre- Modification | [1] |  |  | $ 56 | $ 0
Post- Modification | [1] |  |  | $ 52 | $ 0
[1] | The amounts reported post-modification are inclusive of all partial pay-downs and charge-offs, and no portion of the debt was forgiven. Loans modified as a TDR that were fully paid down, charged-off or foreclosed upon during the period ended are not reported.

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