Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Condensed Consolidated Statements of Comprehensive Income
Net income	$ 34,035	$ 2,983	$ 57,743	$ 4,852
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment during the period	(40)	539	1,272	(1,177)
Other comprehensive (loss) income	(40)	539	1,272	(1,177)
Comprehensive income	$ 33,995	$ 3,522	$ 59,015	$ 3,675