Condensed Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Net income	$ 20,329	$ 15,664	$ 55,340	$ 33,039
Foreign currency translation adjustments	375	(7,555)	1,580	(10,319)
Comprehensive income	$ 20,704	$ 8,109	$ 56,920	$ 22,720