Loans (Schedule of Financing Receivable Recorded Investment Credit Quality Indicator) (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Loans	$ 895,839	$ 872,129	$ 846,258
Commercial Equipment [Member]
Loans	26,804	26,152	25,876
Commercial Equipment [Member] | Unrated [Member]
Loans	8,765	7,173
Commercial Equipment [Member] | Pass [Member]
Loans	16,840	18,517
Commercial Equipment [Member] | Substandard [Member]
Loans	$ 1,199	$ 462
Commercial Equipment [Member] | Loss [Member]
Loans
Commercial Loans [Member]
Loans	$ 63,480	$ 73,625	77,583
Commercial Loans [Member] | Unrated [Member]
Loans	10,349	12,296
Commercial Loans [Member] | Pass [Member]
Loans	48,414	53,844
Commercial Loans [Member] | Special Mention [Member]
Loans	49	49
Commercial Loans [Member] | Substandard [Member]
Loans	$ 4,668	$ 7,436
Commercial Loans [Member] | Loss [Member]
Loans
Consumer Loans [Member]
Loans	$ 396	$ 613	736
Consumer Loans [Member] | Performing Financing Receivable [Member]
Loans	396	613
Home Equity and Second Mortgage [Member]
Loans	21,068	21,452	21,225
Home Equity and Second Mortgage [Member] | Performing Financing Receivable [Member]
Loans	20,702	21,053
Home Equity and Second Mortgage [Member] | Nonperforming Financing Receivable [Member]
Loans	366	399
Residential Mortgage [Member]
Loans	143,662	152,837	156,833
Residential Mortgage [Member] | Performing Financing Receivable [Member]
Loans	142,504	152,304
Residential Mortgage [Member] | Nonperforming Financing Receivable [Member]
Loans	1,158	533
Construction and Land Development [Member]
Loans	39,159	36,370	32,086
Construction and Land Development [Member] | Unrated [Member]
Loans	6,607	3,108
Construction and Land Development [Member] | Pass [Member]
Loans	28,223	27,160
Construction and Land Development [Member] | Substandard [Member]
Loans	$ 4,329	$ 6,102
Construction and Land Development [Member] | Doubtful [Member]
Loans
Construction and Land Development [Member] | Loss [Member]
Loans
Commercial Real Estate [Member]
Loans	$ 601,270	$ 561,080	$ 531,919
Commercial Real Estate [Member] | Unrated [Member]
Loans	69,819	74,955
Commercial Real Estate [Member] | Pass [Member]
Loans	502,595	451,256
Commercial Real Estate [Member] | Special Mention [Member]
Loans	3,078	4,383
Commercial Real Estate [Member] | Substandard [Member]
Loans	$ 25,778	$ 30,486
Commercial Real Estate [Member] | Doubtful [Member]
Loans
Commercial Real Estate [Member] | Loss [Member]
Loans
Classified Loans [Member]
Loans	$ 37,439	$ 46,735
Classified Loans [Member] | Classified Loans By Internally Assigned Grade [Member]
Loans	35,974	44,486
Classified Loans [Member] | Classified Loans By Payment Activity [Member]
Loans	$ 1,465	$ 2,249