CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Statement of Comprehensive Income [Abstract]
Net loss	$ (12,585)	$ (12,876)
Other comprehensive (loss) income:
Unrealized gain on hedging activity, net of tax of $0 and $594, respectively		2,106
Recognition of gain on hedging activity reclassified to net loss, net of tax of $75 and $0, respectively	(278)
Foreign currency translation adjustments	(4,303)	3,050
Comprehensive loss	$ (17,166)	$ (7,720)