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Loans and Allowance for Loan Losses (Details 8) $ in Thousands		3 Months Ended
		Mar. 31, 2018 USD ($) Contract	Mar. 31, 2017 USD ($) Contract
Loans that were modified as TDRs
Number of Contracts | Contract	[1]	0	2
Pre- Modification	[1]	$ 0	$ 187
Post- Modification	[1]	$ 0	$ 187
Commercial, financial, and agricultural
Loans that were modified as TDRs
Number of Contracts | Contract	[1]	0	1
Pre- Modification	[1]	$ 0	$ 131
Post- Modification	[1]	$ 0	$ 131
Commercial real estate | Mortgage
Loans that were modified as TDRs
Number of Contracts | Contract	[1]	0	1
Pre- Modification	[1]	$ 0	$ 56
Post- Modification	[1]	$ 0	$ 56
[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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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=84173941&loc=SL6953676-111524

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Post-modification amount of investment in financing receivables modified by troubled debt restructurings.

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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=84173941&loc=SL6953676-111524

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953676-111524

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