Segment and Geographic Information (Details 2) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Geographic net revenue:
Geographic net revenue	$ 593,972	$ 336,188	$ 1,510,095	$ 910,332
Geographic long-lived assets:
Geographic long-lived assets	88,642		88,642		$ 60,639
United States
Geographic net revenue:
Geographic net revenue	566,227	314,754	1,431,466	851,585
Geographic long-lived assets:
Geographic long-lived assets	86,426		86,426		59,013
International
Geographic net revenue:
Geographic net revenue	27,745	$ 21,434	78,629	$ 58,747
Geographic long-lived assets:
Geographic long-lived assets	$ 2,216		$ 2,216		$ 1,626