Basic and Diluted Net Income per Common Share (Schedule of Earnings Per Share Reconciliation) (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	$ 943	$ 1,696
Weighted-average shares outstanding - basic	47,233,077	47,141,298
Dilutive securities	63,150	112,632
Weighted-average shares outstanding - diluted	47,296,227	47,253,930
Common stock equivalent shares excluded due to antidilutive effect	106,666	32,399
Basic and diluted:
Net income per common share	$ 0.02	$ 0.04
Net income per common share (diluted)	$ 0.02	$ 0.04