Stock-Based Compensation - RSU Activity (Details) - Restricted stock units - 2021 Equity Incentive Plan	9 Months Ended
	Sep. 30, 2022 $ / shares shares
Number of Unvested Shares
Beginning balance (in shares) | shares	4,673,831
Granted (in shares) | shares	3,101,106
Vested (in shares) | shares	(1,086,639)
Forfeited / cancelled (in shares) | shares	(344,926)
Ending balance (in shares) | shares	6,343,372
Weighted- Average Grant Date Fair Value (per share)
Beginning balance (in dollars per share) | $ / shares	$ 23.84
Granted (in dollars per share) | $ / shares	13.44
Vested (in dollars per share) | $ / shares	23.20
Forfeited / cancelled (in dollars per share) | $ / shares	21.78
Ending balance (in dollars per share) | $ / shares	$ 18.96