Discontinued Operations - Summary of Financial Data for Equity Method Investments Included in Discontinued Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net loss	$ (92,166)	$ (170,521)	$ (323,916)
Equity Method Investment, Nonconsolidated Investee or Group of Investees | EnviroFlight Sale | Discontinued Operations, Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues		16	510
Operating expenses		92	9,159
Operating loss		(76)	(8,649)
Other, net		0	21
Net loss		$ (76)	$ (8,628)