Loans, Loans Portfolio by Credit Quality Indicators (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013
Financing Receivable, Recorded Investment [Line Items]
Total	$ 685,196	$ 574,354	$ 549,667
Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	40,090	29,306	35,415
Commercial Secured By Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	375,720	313,913	282,844
Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	238,503	215,842	214,484
Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	21,079	12,730	13,973
Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	7,882	2,472	1,805
Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	1,922	91	1,146
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	644,320	546,877
Pass [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	36,984	27,563
Pass [Member] | Commercial Secured By Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	349,285	295,189
Pass [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	227,881	208,881
Pass [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	20,798	12,681
Pass [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	7,450	2,472
Pass [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	1,922	91
OAEM [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	4,339	5,147
OAEM [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	30	44
OAEM [Member] | Commercial Secured By Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	3,973	3,967
OAEM [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	336	1,136
OAEM [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
OAEM [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
OAEM [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	36,537	22,330
Substandard [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	3,076	1,699
Substandard [Member] | Commercial Secured By Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	22,462	14,757
Substandard [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	10,286	5,825
Substandard [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	281	49
Substandard [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	432	0
Substandard [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Doubtful [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total		0
Doubtful [Member] | Commercial Secured By Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total		0
Doubtful [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total		0
Doubtful [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total		0
Doubtful [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total		0
Doubtful [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total		0
Financial Receivable Acquired Credit Imparied [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	20,103	6,027
Financial Receivable Acquired Credit Imparied [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	1,803	332
Financial Receivable Acquired Credit Imparied [Member] | Commercial Secured By Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	11,723	4,363
Financial Receivable Acquired Credit Imparied [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	6,116	1,332
Financial Receivable Acquired Credit Imparied [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	218
Financial Receivable Acquired Credit Imparied [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	243
Financial Receivable Acquired Credit Imparied [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Financial Receivable Acquired Credit Imparied [Member] | Pass [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Financial Receivable Acquired Credit Imparied [Member] | Pass [Member] | Commercial Secured By Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Financial Receivable Acquired Credit Imparied [Member] | Pass [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Financial Receivable Acquired Credit Imparied [Member] | Pass [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0
Financial Receivable Acquired Credit Imparied [Member] | Pass [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0
Financial Receivable Acquired Credit Imparied [Member] | OAEM [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	756	761
Financial Receivable Acquired Credit Imparied [Member] | OAEM [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Financial Receivable Acquired Credit Imparied [Member] | OAEM [Member] | Commercial Secured By Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	756	761
Financial Receivable Acquired Credit Imparied [Member] | OAEM [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Financial Receivable Acquired Credit Imparied [Member] | OAEM [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0
Financial Receivable Acquired Credit Imparied [Member] | OAEM [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0
Financial Receivable Acquired Credit Imparied [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	19,347	5,266
Financial Receivable Acquired Credit Imparied [Member] | Substandard [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	1,803	332
Financial Receivable Acquired Credit Imparied [Member] | Substandard [Member] | Commercial Secured By Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	10,967	3,602
Financial Receivable Acquired Credit Imparied [Member] | Substandard [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	6,116	1,332
Financial Receivable Acquired Credit Imparied [Member] | Substandard [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	218
Financial Receivable Acquired Credit Imparied [Member] | Substandard [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	243
Financial Receivable Acquired Credit Imparied [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Financial Receivable Acquired Credit Imparied [Member] | Doubtful [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Financial Receivable Acquired Credit Imparied [Member] | Doubtful [Member] | Commercial Secured By Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Financial Receivable Acquired Credit Imparied [Member] | Doubtful [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Financial Receivable Acquired Credit Imparied [Member] | Doubtful [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0
Financial Receivable Acquired Credit Imparied [Member] | Doubtful [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0
Financial Receivable Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	665,093	568,327
Financial Receivable Other [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	38,287	28,974
Financial Receivable Other [Member] | Commercial Secured By Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	363,997	309,550
Financial Receivable Other [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	232,387	214,510
Financial Receivable Other [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	20,861	12,730
Financial Receivable Other [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	7,639	2,472
Financial Receivable Other [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	1,922	91
Financial Receivable Other [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	644,320	546,877
Financial Receivable Other [Member] | Pass [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	36,984	27,563
Financial Receivable Other [Member] | Pass [Member] | Commercial Secured By Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	349,285	295,189
Financial Receivable Other [Member] | Pass [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	227,881	208,881
Financial Receivable Other [Member] | Pass [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	20,798	12,681
Financial Receivable Other [Member] | Pass [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	7,450	2,472
Financial Receivable Other [Member] | Pass [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	1,922	91
Financial Receivable Other [Member] | OAEM [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	3,583	4,386
Financial Receivable Other [Member] | OAEM [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	30	44
Financial Receivable Other [Member] | OAEM [Member] | Commercial Secured By Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	3,217	3,206
Financial Receivable Other [Member] | OAEM [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	336	1,136
Financial Receivable Other [Member] | OAEM [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Financial Receivable Other [Member] | OAEM [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Financial Receivable Other [Member] | OAEM [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Financial Receivable Other [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	17,190	17,064
Financial Receivable Other [Member] | Substandard [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	1,273	1,367
Financial Receivable Other [Member] | Substandard [Member] | Commercial Secured By Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	11,495	11,155
Financial Receivable Other [Member] | Substandard [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	4,170	4,493
Financial Receivable Other [Member] | Substandard [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	63	49
Financial Receivable Other [Member] | Substandard [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	189	0
Financial Receivable Other [Member] | Substandard [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Financial Receivable Other [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Financial Receivable Other [Member] | Doubtful [Member] | Commercial and Industrial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Financial Receivable Other [Member] | Doubtful [Member] | Commercial Secured By Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Financial Receivable Other [Member] | Doubtful [Member] | Residential Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Financial Receivable Other [Member] | Doubtful [Member] | Consumer [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Financial Receivable Other [Member] | Doubtful [Member] | Agricultural [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	0	0
Financial Receivable Other [Member] | Doubtful [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total	$ 0	$ 0