Income Taxes - Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Statutory tax rate (as a percent)	21.00%	21.00%	21.00%
Effective income tax rate continuing operations tax rate reconciliation
U.S. Federal income tax expense at statutory rates of 21 percent for all periods	$ (41,862)	$ (27,036)	$ (78,105)
State taxes, net of federal income tax benefit	3,573	4,954	12,394
Tax position on government incentives	52,223	58,602	124,553
Global intangible low tax income	(1,313)	(5,188)	0
Equity and executive compensation	9,447	2,086	0
Foreign rate differential	(1,473)	(1,576)	0
Research & development tax credit	0	473	2,703
Non-deductible expenses	(659)	(1,245)	0
Unrecognized tax benefits	(349)	(427)	(24)
Other	455	(377)	2,083
Total benefit (expense) for income taxes before valuation allowances	20,042	30,266	63,604
Valuation allowances	(5,563)	(36,195)	(63,034)
Income tax benefit (expense)	$ 14,479	$ (5,929)	$ 570