Condensed Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	[1]	$ 21,512	$ (3,385)
Foreign currency translation adjustment		1,057	214
(Loss) gain on long-term intra-entity foreign currency transactions		(4,910)	15
Cash flow hedging activity		(162)	(422)
Reclassification of hedging activities into earnings		110	2
Pension plan adjustment			0
Reclassification of pension adjustments into earnings		195	84
Total other comprehensive loss, net of tax		(3,710)	(107)
Comprehensive income (loss)		$ 17,803	$ (3,492)

[1] As Restated