CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Net loss	$ (79,351)	$ (20,641)	$ (156,603)	$ (45,011)
Other comprehensive income (loss):
Net unrealized gains (losses) on marketable securities available-for-sale	(25)	4	292	47
Foreign currency translation adjustment	(1,571)	1,042	(312)	(2,152)
Other comprehensive income (loss)	(1,596)	1,046	(20)	(2,105)
Comprehensive loss	$ (80,947)	$ (19,595)	$ (156,623)	$ (47,116)