Loans and Allowance for Loan Losses (Details 1) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Allowance for Loan Losses
Beginning balance	$ 4,194	$ 4,173	$ 4,735
Charge-offs	(357)	(461)	(1,072)
Recoveries	440	382	410
Provision		100	100
Ending balance	4,277	4,194	4,173
Individually evaluated for impairment	403	506	1,114
Collectively evaluated for impairment	3,874	3,688	3,059
Loans
Individually evaluated for impairment	4,911	5,585	6,885
Collectively evaluated for impairment	364,089	343,719	339,228
Loans	369,000	349,304	346,113
Agricultural [Member]
Allowance for Loan Losses
Beginning balance	420	186	178
Recoveries		1	20
Provision	13	233	(12)
Ending balance	433	420	186
Individually evaluated for impairment	3	3
Collectively evaluated for impairment	430	417	186
Loans
Individually evaluated for impairment	526	50
Collectively evaluated for impairment	44,088	40,182	41,098
Loans	44,614	40,232	41,098
Commercial and Industrial [Member]
Allowance for Loan Losses
Beginning balance	586	527	562
Charge-offs	(37)	(30)	(1)
Recoveries	31	64	119
Provision	108	25	(153)
Ending balance	688	586	527
Individually evaluated for impairment	11	15
Collectively evaluated for impairment	677	571	527
Loans
Individually evaluated for impairment	301	192	38
Collectively evaluated for impairment	95,787	94,155	88,024
Loans	96,088	94,347	88,062
Consumer [Member]
Allowance for Loan Losses
Beginning balance	297	184	192
Charge-offs	(218)	(291)	(273)
Recoveries	149	121	179
Provision	77	283	86
Ending balance	305	297	184
Individually evaluated for impairment	2	1	4
Collectively evaluated for impairment	303	296	180
Loans
Individually evaluated for impairment	28	24	36
Collectively evaluated for impairment	21,568	20,066	20,716
Loans	21,596	20,090	20,752
Commercial Real Estate [Member]
Allowance for Loan Losses
Beginning balance	1,030	1,641	1,842
Charge-offs			(665)
Recoveries	89	47	48
Provision	319	(658)	416
Ending balance	1,438	1,030	1,641
Individually evaluated for impairment	91	191	745
Collectively evaluated for impairment	1,347	839	896
Loans
Individually evaluated for impairment	1,073	2,790	3,853
Collectively evaluated for impairment	109,689	94,946	95,954
Loans	110,762	97,736	99,807
Construction Real Estate [Member]
Allowance for Loan Losses
Beginning balance	46	9	12
Provision	16	37	(3)
Ending balance	62	46	9
Collectively evaluated for impairment	62	46	9
Loans
Collectively evaluated for impairment	6,153	5,390	2,691
Loans	6,153	5,390	2,691
Residential Real Estate [Member]
Allowance for Loan Losses
Beginning balance	1,388	1,193	1,626
Charge-offs	(102)	(140)	(133)
Recoveries	171	149	44
Provision	(444)	186	(344)
Ending balance	1,013	1,388	1,193
Individually evaluated for impairment	296	296	365
Collectively evaluated for impairment	717	1,092	828
Loans
Individually evaluated for impairment	2,983	2,529	2,958
Collectively evaluated for impairment	86,804	88,980	90,745
Loans	89,787	91,509	93,703
Unallocated [Member]
Allowance for Loan Losses
Beginning balance	427	433	323
Provision	(89)	(6)	110
Ending balance	338	427	433
Collectively evaluated for impairment	$ 338	$ 427	$ 433

Loans Transferred to Other Real Estate

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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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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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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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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.

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