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:
Balance	$ 5,540	$ 4,581	$ 4,707
Charge-offs	(1,049)	(616)	(2,127)
Recoveries	229	775	101
Provision for loan losses	600us-gaap_ProvisionForLoanAndLeaseLosses	800us-gaap_ProvisionForLoanAndLeaseLosses	1,900us-gaap_ProvisionForLoanAndLeaseLosses
Balance	5,320	5,540	4,581
Allowance for loan losses:
Individually evaluated for loss	349	951	901
Collectively evaluated for loss	4,971	4,589	3,680
Total	5,320	5,540	4,581
Loan balances:
Individually evaluated for loss	10,703	16,756	14,594
Collectively evaluated for loss	410,526	402,613	305,864
Total	416,190	414,016	320,458
Residential Real Estate [Member]
Allowance for loan losses:
Balance	732	714	560
Charge-offs	(29)	(93)	(70)
Recoveries	12	202	20
Provision for loan losses	40	(91)	204
Balance	755	732	714
Allowance for loan losses:
Individually evaluated for loss	287	82	165
Collectively evaluated for loss	468	650	549
Total	755	732	714
Loan balances:
Individually evaluated for loss	1,589	782	739
Collectively evaluated for loss	125,966	124,305	87,715
Total	127,555	125,087	88,454
Construction Loans [Member]
Allowance for loan losses:
Balance	1,343	1,214	928
Charge-offs	0	(53)	(1,749)
Recoveries	166	523	4
Provision for loan losses	(747)	(341)	2,031
Balance	762	1,343	1,214
Allowance for loan losses:
Individually evaluated for loss	0	234	388
Collectively evaluated for loss	762	1,109	826
Total	762	1,343	1,214
Loan balances:
Individually evaluated for loss	4,805	8,160	8,752
Collectively evaluated for loss	17,145	15,616	14,683
Total	21,950	23,776	23,435
Commercial Real Estate [Member]
Allowance for loan losses:
Balance	1,970	1,313	1,791
Charge-offs	0	(11)	0
Recoveries	4	0	0
Provision for loan losses	(142)	668	(478)
Balance	1,832	1,970	1,313
Allowance for loan losses:
Individually evaluated for loss	17	140	0
Collectively evaluated for loss	1,815	1,830	1,313
Total	1,832	1,970	1,313
Loan balances:
Individually evaluated for loss	2,880	2,936	2,833
Collectively evaluated for loss	115,531	116,454	85,957
Total	118,411	119,390	88,790
Commercial Loan [Member]
Allowance for loan losses:
Balance	769	707	745
Charge-offs	(783)	(200)	(70)
Recoveries	2	20	12
Provision for loan losses	848	242	20
Balance	836	769	707
Allowance for loan losses:
Individually evaluated for loss	28	488	268
Collectively evaluated for loss	808	281	439
Total	836	769	707
Loan balances:
Individually evaluated for loss	371	4,148	1,475
Collectively evaluated for loss	59,600	57,235	63,095
Total	59,971	61,383	64,570
Agriculture Loans [Member]
Allowance for loan losses:
Balance	545	367	433
Charge-offs	0	0	0
Recoveries	0	0	39
Provision for loan losses	370	178	(105)
Balance	915	545	367
Allowance for loan losses:
Individually evaluated for loss	5	0	0
Collectively evaluated for loss	910	545	367
Total	915	545	367
Loan balances:
Individually evaluated for loss	285	0	5
Collectively evaluated for loss	64,031	62,287	31,930
Total	64,316	62,287	31,935
Municipal Bonds [Member]
Allowance for loan losses:
Balance	47	107	130
Charge-offs	0	(65)	0
Recoveries	0	0	0
Provision for loan losses	4	5	(23)
Balance	51	47	107
Allowance for loan losses:
Individually evaluated for loss	0	0	65
Collectively evaluated for loss	51	47	42
Total	51	47	107
Loan balances:
Individually evaluated for loss	706	706	772
Collectively evaluated for loss	8,276	8,140	9,085
Total	8,982	8,846	9,857
Consumer Loan [Member]
Allowance for loan losses:
Balance	134	159	120
Charge-offs	(237)	(194)	(238)
Recoveries	45	30	26
Provision for loan losses	227	139	251
Balance	169	134	159
Allowance for loan losses:
Individually evaluated for loss	12	7	15
Collectively evaluated for loss	157	127	144
Total	169	134	159
Loan balances:
Individually evaluated for loss	67	24	18
Collectively evaluated for loss	19,977	18,576	13,399
Total	$ 20,044	$ 18,600	$ 13,417

Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

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Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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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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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 after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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Amount of expense related to estimated loss from loan and lease transactions.

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