Earnings Per Share (Calculation of Earnings Per Common Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Net income	$ 2,800	$ 2,460
Weighted average shares outstanding - Basic (in shares)	12,670,000	12,635,000
Dilutive effect of common stock equivalents-options	21,000	14,000
Dilutive effect of common stock equivalents-restricted stock units	16,000
Weighted average shares outstanding - Diluted (in shares)	12,707,000	12,649,000
Earnings per common share - Basic (in dollars per share)	$ 0.22	$ 0.19
Earnings per common share - Diluted (in dollars per share)	$ 0.22	$ 0.19
Weighted average common stock excluded from calculation of diluted EPS	0	0