Loans and Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Allowance for Loan Losses
Beginning balance	$ 4,277	$ 4,194
Charge-offs	(125)	(141)
Recoveries	173	72
Ending balance	4,325	4,125
Individually evaluated for impairment	441	575	$ 403
Collectively evaluated for impairment	3,884	3,550	3,874
Loans
Individually evaluated for impairment	4,698		4,911
Collectively evaluated for impairment	368,593		364,089
Loans	373,291		369,000
Agricultural [Member]
Allowance for Loan Losses
Beginning balance	433	420
Provision	(27)	(38)
Ending balance	406	382
Individually evaluated for impairment	36	2	3
Collectively evaluated for impairment	370	380	430
Loans
Individually evaluated for impairment	482		526
Collectively evaluated for impairment	38,046		44,088
Loans	38,528		44,614
Commercial and Industrial [Member]
Allowance for Loan Losses
Beginning balance	688	586
Charge-offs	(10)	(33)
Recoveries		15
Provision	67	123
Ending balance	745	691
Individually evaluated for impairment	25	9	11
Collectively evaluated for impairment	720	682	677
Loans
Individually evaluated for impairment	495		301
Collectively evaluated for impairment	100,559		95,787
Loans	101,054		96,088
Consumer [Member]
Allowance for Loan Losses
Beginning balance	305	297
Charge-offs	(80)	(39)
Recoveries	52	42
Provision	9	(28)
Ending balance	286	272
Individually evaluated for impairment	6	2	2
Collectively evaluated for impairment	280	270	303
Loans
Individually evaluated for impairment	34		28
Collectively evaluated for impairment	22,324		21,568
Loans	22,358		21,596
Commercial Real Estate [Member]
Allowance for Loan Losses
Beginning balance	1,438	1,030
Recoveries	112	8
Provision	(136)	100
Ending balance	1,414	1,138
Individually evaluated for impairment	98	219	91
Collectively evaluated for impairment	1,316	919	1,347
Loans
Individually evaluated for impairment	1,141		1,073
Collectively evaluated for impairment	115,191		109,689
Loans	116,332		110,762
Construction Real Estate [Member]
Allowance for Loan Losses
Beginning balance	62	46
Provision	(39)	(3)
Ending balance	23	43
Collectively evaluated for impairment	23	43	62
Loans
Collectively evaluated for impairment	5,035		6,153
Loans	5,035		6,153
Residential Real Estate [Member]
Allowance for Loan Losses
Beginning balance	1,014	1,388
Charge-offs	(35)	(69)
Recoveries	9	7
Provision	(261)	24
Ending balance	727	1,350
Individually evaluated for impairment	276	343	296
Collectively evaluated for impairment	451	1,007	717
Loans
Individually evaluated for impairment	2,546		2,983
Collectively evaluated for impairment	87,438		86,804
Loans	89,984		89,787
Unallocated [Member]
Allowance for Loan Losses
Beginning balance	337	427
Provision	387	(178)
Ending balance	724	249
Collectively evaluated for impairment	$ 724	$ 249	$ 338

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
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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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