Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Earnings Per Share [Abstract]
Net income	$ 3,116	$ 3,413	$ 6,452	$ 6,816
Weighted average common shares outstanding	6,331,000	6,325,000	6,330,000	6,323,000
Dilutive effect of common stock equivalents	15,000	19,000	14,000	20,000
Weighted average common and common equivalent shares outstanding	6,346,000	6,344,000	6,344,000	6,343,000
Basic earnings per common share	$ 0.49	$ 0.54	$ 1.02	$ 1.08
Diluted earnings per common share	$ 0.49	$ 0.54	$ 1.02	$ 1.07
Average stock options outstanding which were not included in the calculation of diluted earnings per share	0	0