Earnings Per Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Earnings Per Share [Abstract]
Net income	$ 3,403	$ 3,609
Weighted average common shares outstanding	6,320,000	6,287,000
Dilutive effect of common stock equivalents	22,000	12,000
Weighted average common and common equivalent shares outstanding	6,342,000	6,299,000
Basic earnings per common share	$ 0.54	$ 0.57
Diluted earnings per common share	$ 0.54	$ 0.57
Average stock options outstanding which were not included in the calculation of diluted earnings per share	0	0