Condensed Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Statement of Comprehensive Income [Abstract]
Net Income	$ 13,746	$ 12,573	$ 31,822	$ 31,636
Other Comprehensive Loss:
Foreign Currency Translation Adjustment, net of Tax Effect of $8 and $4, for the three and nine months ended September 30, 2014, respectively	(40)		(21)
Comprehensive Income	$ 13,706	$ 12,573	$ 31,801	$ 31,636