Unaudited Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Net income (loss)	$ (185,226)	$ 24,344	$ (198,597)	$ 55,100
Comprehensive income:
Foreign currency loss	(36,886)	(40,395)	(49,263)	(24,511)
Total comprehensive income (loss)	$ (222,112)	$ (16,051)	$ (247,860)	$ 30,589