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Loans and Allowance for Loan Losses (Details 9) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 USD ($) Contract | Dec. 31, 2015 USD ($) Contract
Financing Receivable, Modifications [Line Items] |  |  |
Number of Contracts | Contract | [1] | 7 | 7
Pre- Modification | [1] | $ 536 | $ 2,042
Post- Modification | [1] | $ 536 | $ 1,852
Commercial, financial, and agricultural |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Contracts | Contract | [1] | 0 | 2
Pre- Modification | [1] | $ 0 | $ 250
Post- Modification | [1] | $ 0 | $ 229
Residential real estate | Mortgages |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Contracts | Contract | [1] | 7 | 1
Pre- Modification | [1] | $ 536 | $ 519
Post- Modification | [1] | $ 536 | $ 374
Real estate - commercial | Mortgages |  |  |
Financing Receivable, Modifications [Line Items] |  |  |
Number of Contracts | Contract | [1] | 0 | 4
Pre- Modification | [1] | $ 0 | $ 1,273
Post- Modification | [1] | $ 0 | $ 1,249
[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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- Definition Number of financing receivables that have been modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953676-111524 + Details
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- Definition Post-modification amount of investment in financing receivables modified by troubled debt restructurings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=66008989&loc=SL6953676-111524 + Details
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