Loans and Allowance for Loan Losses (Details 1) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	$ 8,219	$ 7,679	$ 7,930	$ 7,725
Charge Offs	(54)	(69)	(73)	(120)
Recoveries	29	15	37	20
Provision	300	200	600	200
Ending Balance	8,494	7,825	8,494	7,825
Allowance: Ending balance: individually evaluated for impairment	140		140		$ 329
Allowance: Ending balance: collectively evaluated for impairment	8,354		8,354		7,601
Loans: Ending balance: individually evaluated for impairment	2,768		2,768		3,412
Loans: Ending balance: collectively evaluated for impairment	749,968		749,968		692,716
Commercial & Industrial [Member]
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	978	998	823	1,204
Charge Offs		(50)		(50)
Recoveries		5		6
Provision	83	42	238	(165)
Ending Balance	1,061	995	1,061	995
Allowance: Ending balance: individually evaluated for impairment
Allowance: Ending balance: collectively evaluated for impairment	1,061		1,061		823
Loans: Ending balance: individually evaluated for impairment
Loans: Ending balance: collectively evaluated for impairment	114,592		114,592		101,554
Commercial RE & Construction [Member]
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	3,673	3,196	3,779	3,321
Charge Offs	(17)		(36)
Recoveries	26	2	29	2
Provision	38	254	(52)	129
Ending Balance	3,720	3,452	3,720	3,452
Allowance: Ending balance: individually evaluated for impairment					146
Allowance: Ending balance: collectively evaluated for impairment	3,720		3,720		3,633
Loans: Ending balance: individually evaluated for impairment	294		294		1,385
Loans: Ending balance: collectively evaluated for impairment	349,972		349,972		330,769
Agricultural & Farmland [Member]
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	517	469	505	347
Charge Offs
Recoveries		1		2
Provision	(29)	42	(17)	163
Ending Balance	488	512	488	512
Allowance: Ending balance: individually evaluated for impairment
Allowance: Ending balance: collectively evaluated for impairment	488		488		505
Loans: Ending balance: individually evaluated for impairment
Loans: Ending balance: collectively evaluated for impairment	52,466		52,466		51,947
Residential Real Estate [Member]
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	2,359	2,013	2,129	1,963
Charge Offs	(26)		(26)	(22)
Recoveries	1	4	2	4
Provision	216	(29)	(445)	43
Ending Balance	2,550	1,988	2,550	1,988
Allowance: Ending balance: individually evaluated for impairment	136		136		178
Allowance: Ending balance: collectively evaluated for impairment	2,414		2,414		1,951
Loans: Ending balance: individually evaluated for impairment	2,291		2,291		1,830
Loans: Ending balance: collectively evaluated for impairment	170,482		170,482		149,024
Consumer & Other [Member]
Summary of balance of the allowance for loan losses and the recorded investment in loans
Beginning balance	692	1,003	694	890
Charge Offs	(11)	(19)	(11)	(48)
Recoveries	2	3	6	6
Provision	(8)	(109)	(14)	30
Ending Balance	675	$ 878	675	$ 878
Allowance: Ending balance: individually evaluated for impairment	4		4		5
Allowance: Ending balance: collectively evaluated for impairment	671		671		689
Loans: Ending balance: individually evaluated for impairment	183		183		197
Loans: Ending balance: collectively evaluated for impairment	$ 62,456		$ 62,456		$ 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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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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