Stock-based Compensation - RSU Stock Units Activity (Details) - RSUs	9 Months Ended
	Sep. 30, 2023 $ / shares shares
Number of RSUs
Beginning balance (in shares) | shares	6,269,868
Granted (in shares) | shares	5,242,710
Vested (in shares) | shares	(1,775,434)
Forfeited (in shares) | shares	(2,563,436)
Ending balance (in shares) | shares	7,173,708
Weighted-average Grant Date Fair Value
Beginning balance (in dollars per share) | $ / shares	$ 7.07
Granted (in dollars per share) | $ / shares	0.96
Vested (in dollars per share) | $ / shares	6.98
Forfeited (in dollars per share) | $ / shares	4.52
Ending balance (in dollars per share) | $ / shares	$ 3.53