Discontinued Operations - Summarized Components of (Loss) Income from Discontinued Operations (Details) - Discontinued Operations, Held-for-sale - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net revenues	$ 79,848	$ 162,355	$ 156,218
Cost of revenues	105,132	145,908	128,072
Gross (loss) profit	(25,284)	16,447	28,146
Selling, general and administrative expenses	15,487	23,786	19,723
Special and restructuring charges, net (1)	85,603	4,930	4,162
Operating (loss) income	(126,374)	(12,269)	4,261
Interest (income), net	(8)	(62)	(64)
Other (income) expense, net	378	9	1,852
Total other (income) expense, net	386	71	1,788
(Loss) income from discontinued operations, pre tax	(125,988)	(12,198)	2,473
(Benefit from) provision for income tax	(16,821)	(6,161)	1,535
(Loss) income from discontinued operations, net of tax	$ (109,167)	$ (6,037)	$ 938