CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)
Net income (loss)	$ 19,901	$ (33,284)	$ 50,820	$ (25,823)
Other comprehensive income (loss):
Foreign currency translation adjustments	27	(17)	290	130
Total other comprehensive income (loss)	27	(17)	290	130
Comprehensive income (loss)	$ 19,928	$ (33,301)	$ 51,110	$ (25,693)