Loans, Loans Portfolio Aging Analysis (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	$ 4,766	$ 6,853
Current	758,067	692,103
Total Loans Receivable	762,833	698,956
Total Loans Greater Than 90 Days and Accruing	130	203
30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,276	1,890
60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,395	478
Greater Than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	2,095	4,485
Commercial and Industrial [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	43	4
Current	45,304	35,430
Total Loans Receivable	45,347	35,434
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	43	4
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	1,544	4,262
Current	405,385	374,518
Total Loans Receivable	406,929	378,780
Total Loans Greater Than 90 Days and Accruing	0	9
Commercial Secured By Real Estate [Member] | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	242	1,000
Commercial Secured By Real Estate [Member] | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	0	83
Commercial Secured By Real Estate [Member] | Greater Than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,302	3,179
Residential Real Estate [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,861	2,234
Current	272,621	252,266
Total Loans Receivable	274,482	254,500
Total Loans Greater Than 90 Days and Accruing	116	177
Residential Real Estate [Member] | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	807	648
Residential Real Estate [Member] | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	275	297
Residential Real Estate [Member] | Greater Than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	779	1,289
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	93	104
Current	19,282	17,986
Total Loans Receivable	19,375	18,090
Total Loans Greater Than 90 Days and Accruing	14	17
Consumer [Member] | 30-59 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	69	59
Consumer [Member] | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	10	28
Consumer [Member] | Greater Than 90 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	14	17
Agricultural [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,140	143
Current	14,884	11,329
Total Loans Receivable	16,024	11,472
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	30	73
Agricultural [Member] | 60-89 Days Past Due
Financing Receivable, Recorded Investment, Past Due [Line Items]
Total Past Due	1,110	70
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	85	106
Current	591	574
Total Loans Receivable	676	680
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	85	106
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