Loans and Allowance for Loan Losses (Details 1) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Dec. 31, 2017
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	$ 8,494	$ 7,825	$ 7,930	$ 7,725
Charge Offs	(11)	(75)	(85)	(195)
Recoveries	6	10	44	30
Provision			600	200
Ending Balance	8,489	7,760	8,489	7,760
Allowance: Ending balance: individually evaluated for impairment	81		81		$ 329
Allowance: Ending balance: collectively evaluated for impairment	8,408		8,408		7,601
Loans: Ending balance: individually evaluated for impairment	2,682		2,682		3,412
Loans: Ending balance: collectively evaluated for impairment	768,448		768,448		692,716
Commercial & Industrial [Member]
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	1,061	995	823	1,204
Charge Offs				(50)
Recoveries				6
Provision	13	(138)	251	(303)
Ending Balance	1,074	857	1,074	857
Allowance: Ending balance: individually evaluated for impairment
Allowance: Ending balance: collectively evaluated for impairment	1,074		1,074		823
Loans: Ending balance: individually evaluated for impairment	329		329
Loans: Ending balance: collectively evaluated for impairment	118,913		118,913		101,554
Commercial RE & Construction [Member]
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	3,720	3,452	3,779	3,321
Charge Offs		(26)	(36)	(26)
Recoveries			29	2
Provision	5	195	(47)	324
Ending Balance	3,725		3,725
Allowance: Ending balance: individually evaluated for impairment					146
Allowance: Ending balance: collectively evaluated for impairment	3,725		3,725		3,633
Loans: Ending balance: individually evaluated for impairment	287		287		1,385
Loans: Ending balance: collectively evaluated for impairment	356,276		356,276		330,769
Agricultural & Farmland [Member]
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	488	512	505	347
Charge Offs
Recoveries		1		3
Provision	(9)	(17)	(26)	146
Ending Balance	479	496	479	496
Allowance: Ending balance: individually evaluated for impairment
Allowance: Ending balance: collectively evaluated for impairment	479		479		505
Loans: Ending balance: individually evaluated for impairment
Loans: Ending balance: collectively evaluated for impairment	52,814		52,814		51,947
Residential Real Estate [Member]
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	2,550	1,988	2,129	1,963
Charge Offs		(20)	(26)	(42)
Recoveries		2	2	6
Provision	(39)	44	406	87
Ending Balance	2,511	2,014	2,511	2,014
Allowance: Ending balance: individually evaluated for impairment	77		77		178
Allowance: Ending balance: collectively evaluated for impairment	2,434		2,434		1,951
Loans: Ending balance: individually evaluated for impairment	1,889		1,889		1,830
Loans: Ending balance: collectively evaluated for impairment	176,144		176,144		149,024
Consumer & Other [Member]
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	675	878	694	890
Charge Offs	(11)	(29)	(23)	(77)
Recoveries	6	7	13	13
Provision	30	(84)	16	(54)
Ending Balance	700	$ 772	700	$ 772
Allowance: Ending balance: individually evaluated for impairment	4		4		5
Allowance: Ending balance: collectively evaluated for impairment	696		696		689
Loans: Ending balance: individually evaluated for impairment	177		177		197
Loans: Ending balance: collectively evaluated for impairment	$ 64,301		$ 64,301		$ 59,422

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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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://fasb.org/us-gaap/role/ref/legacyRef
-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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.11)
-URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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