Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating expenses
Research and development	$ 98,015	$ 8,673	$ 212,950	$ 15,394
Sales and marketing	6,198	2,585	12,384	4,267
General and administrative	33,253	16,430	61,133	27,423
Total operating expenses	137,466	27,688	286,467	47,084
Loss from operations	(137,466)	(27,688)	(286,467)	(47,084)
Change in fair value measurements	5,158	(10,730)	6,344	(37,647)
Interest expense	(1,128)	(8,390)	(4,874)	(27,564)
Related party interest expense	(1,313)	(4,415)	(1,935)	(14,167)
Other expense, net	(6,936)	(1,552)	(7,851)	(1,835)
Loss before income taxes	(141,685)	(52,775)	(294,783)	(128,297)
Income tax provision	(9)	0	(9)	(3)
Net loss	(141,694)	(52,775)	(294,792)	(128,300)
Total comprehensive loss:
Net loss	(141,694)	(52,775)	(294,792)	(128,300)
Change in foreign currency translation adjustment	4,248	(1,184)	3,684	(676)
Total comprehensive loss	$ (137,446)	$ (53,959)	$ (291,108)	$ (128,976)
Class A Common Stock
Per share information:
Net loss per Common Stock – basic (in dollars per share)	$ (0.44)	$ (0.32)	$ (0.91)	$ (0.79)
Net loss per Common Stock – diluted (in dollars per share)	$ (0.44)	$ (0.32)	$ (0.91)	$ (0.79)
Weighted average Common shares outstanding – basic (in shares)	322,717,920	164,870,354	322,466,055	161,498,339
Weighted average Common shares outstanding – diluted (in shares)	322,717,920	164,870,354	322,466,055	161,498,339
Class B Common Stock
Per share information:
Net loss per Common Stock – basic (in dollars per share)	$ (0.44)	$ (0.32)	$ (0.91)	$ (0.79)
Net loss per Common Stock – diluted (in dollars per share)	$ (0.44)	$ (0.32)	$ (0.91)	$ (0.79)
Weighted average Common shares outstanding – basic (in shares)	322,717,920	164,870,354	322,466,055	161,498,339
Weighted average Common shares outstanding – diluted (in shares)	322,717,920	164,870,354	322,466,055	161,498,339