Loans and Allowance for Loan Losses (Details 1) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	$ 7,825	$ 7,450	$ 7,725	$ 6,990
Charge Offs	(75)	(136)	(195)	(232)
Recoveries	10	6	30	312
Provision			200	250
Ending Balance	7,760	7,320	7,760	7,320
Allowance: Ending balance: individually evaluated for impairment	267		267		$ 300
Allowance: Ending balance: collectively evaluated for impairment	7,493		7,493		7,425
Loans: Ending balance: individually evaluated for impairment	2,603		2,603		3,795
Loans: Ending balance: collectively evaluated for impairment	672,012		672,012		640,303
Commercial & Industrial [Member]
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	995	1,137	1,204	914
Charge Offs		(42)	(50)	(134)
Recoveries		1	6	248
Provision	(138)	155	(303)	223
Ending Balance	857	1,251	857	1,251
Allowance: Ending balance: individually evaluated for impairment					50
Allowance: Ending balance: collectively evaluated for impairment	857		857		1,154
Loans: Ending balance: individually evaluated for impairment					50
Loans: Ending balance: collectively evaluated for impairment	104,263		104,263		108,702
Commercial RE & Construction [Member]
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	3,452	4,126	3,321	3,886
Charge Offs	(26)	(30)	(26)	(30)
Recoveries			2	6
Provision	195	(960)	324	(726)
Ending Balance	3,621	3,136	3,621	3,136
Allowance: Ending balance: individually evaluated for impairment	146		146		119
Allowance: Ending balance: collectively evaluated for impairment	3,475		3,475		3,202
Loans: Ending balance: individually evaluated for impairment	1,394		1,394		1,578
Loans: Ending balance: collectively evaluated for impairment	318,370		318,370		282,506
Agricultural & Farmland [Member]
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	512	189	347	204
Charge Offs
Recoveries	1	1	3	2
Provision	(17)	142	146	126
Ending Balance	496	332	496	332
Allowance: Ending balance: individually evaluated for impairment
Allowance: Ending balance: collectively evaluated for impairment	496		496		347
Loans: Ending balance: individually evaluated for impairment
Loans: Ending balance: collectively evaluated for impairment	51,140		51,140		52,475
Residential Real Estate [Member]
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	1,988	1,342	1,963	1,312
Charge Offs	(20)		(42)
Recoveries	2	1	6	1
Provision	44	460	87	490
Ending Balance	2,014	1,803	2,014	1,803
Allowance: Ending balance: individually evaluated for impairment	116		116		124
Allowance: Ending balance: collectively evaluated for impairment	1,898		1,898		1,839
Loans: Ending balance: individually evaluated for impairment	1,008		1,008		1,919
Loans: Ending balance: collectively evaluated for impairment	140,288		140,288		140,533
Consumer & Other [Member]
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	878	656	890	674
Charge Offs	(29)	(64)	(77)	(68)
Recoveries	7	3	13	55
Provision	(84)	203	(54)	137
Ending Balance	772	$ 798	772	$ 798
Allowance: Ending balance: individually evaluated for impairment	5		5		7
Allowance: Ending balance: collectively evaluated for impairment	767		767		883
Loans: Ending balance: individually evaluated for impairment	201		201		248
Loans: Ending balance: collectively evaluated for impairment	$ 57,951		$ 57,951		$ 56,087

A valuation allowance for financing receivables that are expected to be uncollectible.

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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Amount of recovery of financing receivables doubtful of collection that were previously charged off.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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No definition available.

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Amount of direct write-downs of financing receivables charged against the allowance.

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The balance of financing receivables that were collectively evaluated for impairment.

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The balance of financing receivables that were individually evaluated for impairment.

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- Definition

Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.11)
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585

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