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Loans (Details 6) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	$ 6,663	$ 6,489
Loans Past Due 90 Days or More Still Accruing	1,032	1,681
Originated Loans
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	4,572	4,209
Loans Past Due 90 Days or More Still Accruing	929	932
Originated Loans | Commercial real estate, Owner occupied | Commercial real estate
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	501	958
Loans Past Due 90 Days or More Still Accruing	0	0
Originated Loans | Commercial real estate, Non-owner occupied | Commercial real estate
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	0	343
Loans Past Due 90 Days or More Still Accruing	0	0
Originated Loans | Commercial real estate, Farmland | Commercial real estate
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	45	58
Loans Past Due 90 Days or More Still Accruing	0	0
Originated Loans | Commercial, Commercial and industrial | Commercial
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	249	400
Loans Past Due 90 Days or More Still Accruing	0	0
Originated Loans | Residential real estate, 1-4 family residential | Residential real estate
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	2,653	1,929
Loans Past Due 90 Days or More Still Accruing	393	295
Originated Loans | Commercial, Agricultural | Commercial
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	2	12
Loans Past Due 90 Days or More Still Accruing	0	0
Originated Loans | Residential real estate, Home equity lines of credit | Residential real estate
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	602	202
Loans Past Due 90 Days or More Still Accruing	8	118
Originated Loans | Consumer, Indirect | Consumer
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	457	298
Loans Past Due 90 Days or More Still Accruing	361	438
Originated Loans | Consumer, Direct | Consumer
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	63	9
Loans Past Due 90 Days or More Still Accruing	153	65
Originated Loans | Consumer, Other | Consumer
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	0	0
Loans Past Due 90 Days or More Still Accruing	14	16
Acquired Loans
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	2,091	2,280
Loans Past Due 90 Days or More Still Accruing	103	749
Acquired Loans | Commercial real estate, Owner occupied | Commercial real estate
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	0	85
Loans Past Due 90 Days or More Still Accruing	0	0
Acquired Loans | Commercial real estate, Non-owner occupied | Commercial real estate
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	216	0
Loans Past Due 90 Days or More Still Accruing	0	0
Acquired Loans | Commercial real estate, Farmland | Commercial real estate
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	0	380
Loans Past Due 90 Days or More Still Accruing	0	0
Acquired Loans | Commercial, Commercial and industrial | Commercial
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	943	961
Loans Past Due 90 Days or More Still Accruing	19	0
Acquired Loans | Residential real estate, 1-4 family residential | Residential real estate
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	613	386
Loans Past Due 90 Days or More Still Accruing	69	545
Acquired Loans | Commercial, Agricultural | Commercial
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	9	236
Loans Past Due 90 Days or More Still Accruing	0	0
Acquired Loans | Residential real estate, Home equity lines of credit | Residential real estate
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	170	119
Loans Past Due 90 Days or More Still Accruing	0	109
Acquired Loans | Consumer, Direct | Consumer
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	140	89
Loans Past Due 90 Days or More Still Accruing	15	95
Acquired Loans | Commercial real estate, Other | Commercial real estate
Schedule of investment in nonaccrual and loans past due over 90 days still on accrual by class of loans
Nonaccrual	0	24
Loans Past Due 90 Days or More Still Accruing	$ 0	$ 0

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- Definition

Recorded investment in financing receivables that are 90 days or more past due and still accruing.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e5111-111524

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+ References

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-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 7
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