Stock Based Compensation - Stock Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Number of Shares Available for Issuance Under the Plan
Beginning balance (in shares)	51,437,898
Additional shares authorized (in shares)	20,437,691
Options and restricted stock units granted (in shares)	(56,239,223)
Options canceled (in shares)	12,821,148
Ending balance (in shares)	28,457,514	51,437,898
Number of Shares Outstanding Under the Plan
Beginning balance (in shares)	27,727,088
Options granted (in shares)	0
Options exercised (in shares)	(10,318,720)
Options canceled (in shares)	(1,162,506)
Ending balance (in shares)	16,245,862	27,727,088
Exercisable (in shares)	3,930,317	13,157,036
Unvested (in shares)	12,315,545	14,570,052
Weighted- Average Exercise Price
Beginning balance (in dollars per share)	$ 7.79
Options granted (in dollars per share)	0
Options exercised (in dollars per share)	0.13
Options canceled (in dollars per share)	1.02
Ending balance (in dollars per share)	13.15	$ 7.79
Exercisable, weighted-average exercise price (in dollars per share)	0.29	0.15
Unvested, weighted-average exercise price (in dollars per share)	$ 17.25	$ 14.69
Weighted-Average Remaining Contractual Term and Aggregate Intrinsic Value
Options outstanding, weighted-average remaining contractual term	7 years 3 months 7 days	7 years 14 days
Exercisable, weighted-average remaining contractual term	5 years 2 months 1 day	5 years 2 months 1 day
Unvested, weighted-average remaining contractual term	7 years 11 months 8 days	8 years 8 months 19 days
Options outstanding, aggregate intrinsic value	$ 1,145	$ 113,110
Exercisable, aggregate intrinsic value	1,132	95,946
Unvested, aggregate intrinsic value	$ 14	$ 17,164
Restricted stock units
Number of Plan shares outstanding
Beginning balance (in shares)	7,600,097
Restricted stock units granted (in shares)	56,239,223
Restricted stock units released (in shares)	(2,074,116)
Restricted stock units canceled (in shares)	(11,658,642)
Ending balance (in shares)	50,106,562	7,600,097
Weighted-Average Grant Date Fair Value per share
Beginning balance (in dollars per share)	$ 13.17
Granted (in dollars per share)	1.04
Vested (in dollars per share)	9.35
Forfeited (in dollars per share)	6.63
Ending balance (in dollars per share)	$ 1.23	$ 13.17