Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (19,897)	$ 24,048
Other comprehensive income (loss), net of tax:
Foreign currency translation	(3)	(4)
Total other comprehensive income, net of tax	(3)	(4)
Comprehensive income (loss)	$ (19,900)	$ 24,044