Stockholders’ Equity - Restricted Stock Units and Performance Restricted Stock Units Activity (Details) - RSU and PRSU	6 Months Ended
	Jun. 30, 2022 $ / shares shares
Number of Shares
Unvested and outstanding, beginning balance (in shares) | shares	28,939,349
Granted (in shares) | shares	56,545,065
Released (in shares) | shares	(4,777,767)
Canceled and forfeited (in shares) | shares	(3,340,510)
Unvested and outstanding, ending balance (in shares) | shares	77,366,137
Weighted Average Grant-Date Fair Value per Share
Unvested and outstanding, beginning balance (in dollars per share) | $ / shares	$ 3.99
Granted (in dollars per share) | $ / shares	1.40
Vested (in dollars per share) | $ / shares	3.67
Canceled and forfeited (in dollars per share) | $ / shares	3.51
Unvested and outstanding, ending balance (in dollars per share) | $ / shares	$ 2.14