Loans - Impaired Loans (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2015	Dec. 31, 2014
Impaired loans
Impaired loans, troubled debt restructurings		$ 5,830
Impaired loans, Recorded Investment	$ 5,344	6,014
Impaired loans, Unpaid Principal Balance	5,688	6,232
Impaired loans, Related Allowance	849	879
Impaired loans, Average Balance	5,492	5,901
Impaired loans, Interest Income Recognized	141	302
Real estate - residential mortgage
Impaired loans
Impaired loans, Recorded Investment	2,689	3,000
Impaired loans, Unpaid Principal Balance	2,828	3,094
Impaired loans, Related Allowance	360	417
Impaired loans, Average Balance	2,782	2,931
Impaired loans, Interest Income Recognized	97	139
Commercial, financial and agricultural \| Commercial real estate lending
Impaired loans
Impaired loans, Recorded Investment	2,319	2,786
Impaired loans, Unpaid Principal Balance	2,522	2,908
Impaired loans, Related Allowance	438	440
Impaired loans, Average Balance	2,362	2,735
Impaired loans, Interest Income Recognized	35	150
Commercial, financial and agricultural \| Commercial business lending
Impaired loans
Impaired loans, Recorded Investment	99	103
Impaired loans, Unpaid Principal Balance	99	103
Impaired loans, Related Allowance	28	15
Impaired loans, Average Balance	108	115
Impaired loans, Interest Income Recognized	1	7
Equity lines
Impaired loans
Impaired loans, Recorded Investment	30	30
Impaired loans, Unpaid Principal Balance	32	32
Impaired loans, Related Allowance		1
Impaired loans, Average Balance	32	25
Impaired loans, Interest Income Recognized	1	2
Consumer Loan
Impaired loans
Impaired loans, Recorded Investment	207	95
Impaired loans, Unpaid Principal Balance	207	95
Impaired loans, Related Allowance	23	6
Impaired loans, Average Balance	208	95
Impaired loans, Interest Income Recognized	$ 7	$ 4

Financing Receivables Impaired Troubled Debt Restructuring Amount

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5212-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=35738203&loc=d3e5258-111524

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- Definition

Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.

+ References

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Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 14A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953550-111524

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Amount of allowance for credit losses related to recorded investment.

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- Definition

Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.

+ References

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