Loans, Loans Portfolio Aging Analysis (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	$ 3,261	$ 3,350
Current	775,453	767,588
Total Loans Receivable	778,714	770,938
Total Loans Greater Than 90 Days and Accruing	99	559
30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,268	1,021
60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	84	286
Greater Than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,909	2,043
Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	61	0
Current	45,276	45,287
Total Loans Receivable	45,337	45,287
Total Loans Greater Than 90 Days and Accruing	0	0
Commercial and Industrial [Member] | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	61	0
Commercial and Industrial [Member] | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	0	0
Commercial and Industrial [Member] | Greater Than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	0	0
Commercial Secured By Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	984	1,030
Current	428,873	418,290
Total Loans Receivable	429,857	419,320
Total Loans Greater Than 90 Days and Accruing	0	0
Commercial Secured By Real Estate [Member] | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	75	73
Commercial Secured By Real Estate [Member] | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	73	81
Commercial Secured By Real Estate [Member] | Greater Than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	836	876
Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	2,035	2,099
Current	270,226	271,482
Total Loans Receivable	272,261	273,581
Total Loans Greater Than 90 Days and Accruing	64	516
Residential Real Estate [Member] | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,008	777
Residential Real Estate [Member] | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	2	198
Residential Real Estate [Member] | Greater Than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,025	1,124
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	111	112
Current	17,908	18,487
Total Loans Receivable	18,019	18,599
Total Loans Greater Than 90 Days and Accruing	35	43
Consumer [Member] | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	54	62
Consumer [Member] | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	9	7
Consumer [Member] | Greater Than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	48	43
Agricultural [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	0	0
Current	12,597	13,486
Total Loans Receivable	12,597	13,486
Total Loans Greater Than 90 Days and Accruing	0	0
Agricultural [Member] | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	0	0
Agricultural [Member] | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	0	0
Agricultural [Member] | Greater Than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	0	0
Other [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	70	109
Current	573	556
Total Loans Receivable	643	665
Total Loans Greater Than 90 Days and Accruing	0	0
Other [Member] | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	70	109
Other [Member] | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	0	0
Other [Member] | Greater Than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	$ 0	$ 0