Unaudited Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (2,746)	$ 1,975	$ (35,211)	$ (12,087)
Other comprehensive income (loss):
Foreign currency translation adjustment	(68)	(366)	256	(531)
Comprehensive (loss) income	$ (2,814)	$ 1,609	$ (34,955)	$ (12,618)