Schedule I: Condensed Financial Information of Registrant - Condensed Statements of Comprehensive Loss (Details) - USD ($) $ in Thousands		12 Months Ended
	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating expenses(1):
General and administrative		$ 85,795	$ 28,199	$ 52,011
Operating loss		(83,365)	(42,231)	(88,122)
Other income (expense):
Interest expense		(5,757)	(14,734)	(7,134)
Change in fair value of earnout liability		(18,519)
Change in fair value of private warrant liability		(15,389)	2,427
Total other income (expense)		(33,514)	(13,490)	(15,101)
Loss before income taxes		(116,879)	(55,721)	(103,223)
Income tax benefit (expense)		10,273	1,689	(96)
Net loss		(106,606)	(54,032)	(103,319)
Comprehensive loss		(106,865)	$ (54,032)	$ (103,319)
Parent
Operating expenses(1):
General and administrative	$ 56	4,079
Operating loss	(56)	(4,079)
Other income (expense):
Interest expense		(1,573)
Change in fair value of earnout liability		(18,519)
Change in fair value of private warrant liability	2,427	(15,389)
Equity in net income (loss) of subsidiary	1,360	(67,046)
Total other income (expense)	3,787	(102,527)
Loss before income taxes	3,731	(106,606)
Income tax benefit (expense)		0
Net loss	3,731	(106,606)
Other comprehensive loss		(259)
Comprehensive loss	$ 3,731	$ (106,865)