CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ 3,011	$ 2,954	$ (31,935)	$ (28,324)
Other comprehensive (loss) income:
Unrealized gain on hedging activity, net of tax of $24, $158, $24 and $989, respectively	83		83
Unrealized gain on hedging activity, net of tax of $24, $158, $24 and $989, respectively		558		3,509
Recognition of gain on hedging activity reclassified to net loss, net of tax of $78 and $235, respectively	(278)		(834)
Recognition of gain on hedging activity reclassified to net loss, net of tax of $78 and $235, respectively		0		0
Foreign currency translation adjustments	(3,823)	(11,088)	(903)	(24,123)
Comprehensive loss	$ (1,007)	$ (7,576)	$ (33,589)	$ (48,938)