CONSOLIDATED STATEMENTS OF COMPREHENSIVE (LOSS) INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Statement of Comprehensive Income [Abstract]
Net (loss) income	$ (30,240)	$ 23,562	$ (111,560)
Other comprehensive (loss) income:
Foreign currency translation adjustments	(19,340)	(8,038)	1,263
Unrealized gain (loss) on hedging activity, net of tax $944, $98 and $0, respectively	3,553	(358)	0
Realized gain on hedging activity reclassified to net income, net of tax $75, $0 and $0, respectively	(281)	0	0
Pension and other postretirement benefit plans adjustment, net of tax of $0, $0, and $11, respectively	0	0	(77)
Comprehensive (loss) income, net of tax	$ (46,308)	$ 15,166	$ (110,374)