Segment and Geographic Information (Details 2) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014
Geographic areas, revenues from external customers
Geographic net revenue	$ 491,752	$ 295,437	$ 916,123	$ 574,144
Geographic areas, long-lived assets
Geographic long-lived assets	76,367		76,367		$ 60,639
United States
Geographic areas, revenues from external customers
Geographic net revenue	464,667	276,694	865,244	536,829
Geographic areas, long-lived assets
Geographic long-lived assets	74,066		74,066		59,013
International
Geographic areas, revenues from external customers
Geographic net revenue	27,085	$ 18,743	50,879	$ 37,315
Geographic areas, long-lived assets
Geographic long-lived assets	$ 2,301		$ 2,301		$ 1,626