Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Earnings Per Share [Abstract]
Net income	$ 3,856	$ 2,806	$ 10,308	$ 9,623
Weighted average common shares outstanding	6,338	6,329	6,333	6,325
Dilutive effect of common stock equivalents	11	16	13	19
Weighted average common and common equivalent shares outstanding	6,349	6,345	6,346	6,344
Basic earnings per common share	$ 0.61	$ 0.44	$ 1.63	$ 1.52
Diluted earnings per common share	$ 0.61	$ 0.44	$ 1.62	$ 1.52