Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (35,156)	$ 30,050
Other comprehensive income (loss), net of tax:
Foreign currency translation	(5)	(1)
Total other comprehensive income, net of tax	(5)	(1)
Comprehensive income (loss)	$ (35,161)	$ 30,049