Loans and Allowance for Loan Losses (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Allowance for Loan Losses
Beginning balance	$ 4,735	$ 5,852	$ 5,213
Charge-offs	(1,072)	(2,151)	(2,499)
Recoveries	410	734	623
Provision	100	300	2,515
Ending balance	4,173	4,735	5,852
Individually evaluated for impairment	1,114	1,063	700
Collectively evaluated for impairment	3,059	3,672	5,152
Loans
Individually evaluated for impairment	6,885	8,287	5,939
Collectively evaluated for impairment	339,228	307,679	305,529
Ending balance	346,113	315,966	311,468
Agricultural [Member]
Allowance for Loan Losses
Beginning balance	178	140	55
Charge-offs		(88)
Recoveries	20	6	5
Provision	(12)	120	80
Ending balance	186	178	140
Individually evaluated for impairment			1
Collectively evaluated for impairment	186	178	139
Loans
Individually evaluated for impairment		452	166
Collectively evaluated for impairment	41,098	36,596	31,624
Ending balance	41,098	37,048	31,790
Commercial and Industrial [Member]
Allowance for Loan Losses
Beginning balance	562	381	609
Charge-offs	(1)	(122)	(405)
Recoveries	119	337	61
Provision	(153)	(34)	116
Ending balance	527	562	381
Individually evaluated for impairment		53	112
Collectively evaluated for impairment	527	509	269
Loans
Individually evaluated for impairment	38	776	198
Collectively evaluated for impairment	88,024	67,754	67,167
Ending balance	88,062	68,530	67,365
Consumer [Member]
Allowance for Loan Losses
Beginning balance	192	250	197
Charge-offs	(273)	(351)	(338)
Recoveries	179	175	214
Provision	86	118	177
Ending balance	184	192	250
Individually evaluated for impairment	4	3
Collectively evaluated for impairment	180	189	250
Loans
Individually evaluated for impairment	36	37	32
Collectively evaluated for impairment	20,716	19,894	19,335
Ending balance	20,752	19,931	19,367
Commercial Real Estate [Member]
Allowance for Loan Losses
Beginning balance	1,842	2,596	2,299
Charge-offs	(665)	(858)	(869)
Recoveries	48	84	224
Provision	416	20	942
Ending balance	1,641	1,842	2,596
Individually evaluated for impairment	745	699	449
Collectively evaluated for impairment	896	1,143	2,147
Loans
Individually evaluated for impairment	3,853	4,195	3,723
Collectively evaluated for impairment	95,954	92,792	89,589
Ending balance	99,807	96,987	93,312
Construction Real Estate [Member]
Allowance for Loan Losses
Beginning balance	12	15	34
Charge-offs
Recoveries
Provision	(3)	(3)	(19)
Ending balance	9	12	15
Individually evaluated for impairment
Collectively evaluated for impairment	9	12	15
Loans
Individually evaluated for impairment
Collectively evaluated for impairment	2,691	890	1,056
Ending balance	2,691	890	1,056
Residential Real Estate [Member]
Allowance for Loan Losses
Beginning balance	1,626	1,923	1,847
Charge-offs	(133)	(732)	(887)
Recoveries	44	132	119
Provision	(344)	303	844
Ending balance	1,193	1,626	1,923
Individually evaluated for impairment	365	308	138
Collectively evaluated for impairment	828	1,318	1,785
Loans
Individually evaluated for impairment	2,958	2,827	1,820
Collectively evaluated for impairment	90,745	89,753	96,758
Ending balance	93,703	92,580	98,578
Unallocated [Member]
Allowance for Loan Losses
Beginning balance	323	547	172
Charge-offs
Recoveries
Provision	110	(224)	375
Ending balance	433	323	547
Individually evaluated for impairment
Collectively evaluated for impairment	$ 433	$ 323	$ 547

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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.

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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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