Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Condensed Consolidated Statements of Comprehensive Income
Net income	$ 46,535	$ 4,900	$ 104,278	$ 9,752
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment during the period	(212)	(1,487)	1,060	(2,664)
Other comprehensive (loss) income	(212)	(1,487)	1,060	(2,664)
Comprehensive income	$ 46,323	$ 3,413	$ 105,338	$ 7,088