Discontinued Operations - Summary Of Financial Information That Has Been Segregated From Continuing Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Net (loss) income from discontinued operations	$ 0	$ (1,608)	$ 0	$ 44,466
Consumer and Industrial Chemistry Technologies | Discontinued Operations, Held-for-sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations
Revenue	0	0	0	10,877
Operating expenses	0	0	0	(11,447)
Research and development	0	0	0	(69)
(Loss) income from operations	0	0	0	(639)
Other income	0	0	0	35
Gain on sale of business	0	(2,100)	0	64,934
(Loss) Income before income taxes	0	(2,100)	0	64,330
Income tax benefit (expense)	0	492	0	(19,864)
Net (loss) income from discontinued operations	$ 0	$ (1,608)	$ 0	$ 44,466