Stock-Based Compensation - Summary of Stock Plan Activity (Details) - 2018 Stock Plan - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended			9 Months Ended	12 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2022	Dec. 31, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Options, Beginning Balance	10,105	10,175	10,457	10,457
Number of Options, Granted			175
Number of Options, Exercised	(264)	(70)	(131)
Number of Options, Cancelled and forfeited	(170)		(326)
Number of Options, Ending Balance	9,671	10,105	10,175	9,671	10,457
Vested options as of September 30, 2022				8,092
Weighted-Average Exercise Price, Beginning Balance	$ 0.67	$ 0.66	$ 0.51	$ 0.51
Weighted-Average Exercise Price, Granted			9.58
Weighted-Average Exercise Price, Exercised	0.47	0.47	0.47
Weighted-Average Exercise Price, Cancelled and forfeited	0.47		0.47
Weighted-Average Exercise Price, Ending Balance	$ 0.67	$ 0.67	$ 0.66	0.67	$ 0.51
Weighted-Average Exercise Price, Vested options as of September 30, 2022				$ 0.49
Weighted Average Remaining Contractual Life (Years), Balance	7 years 2 months 26 days	7 years 6 months	7 years 9 months		7 years 11 months 15 days
Weighted Average Remaining Contractual Life (Years), Vested options as of September 30, 2022				7 years 21 days
Aggregate Intrinsic Value, Beginning Balance	$ 39,838	$ 45,523	$ 95,935	$ 95,935
Aggregate Intrinsic Value, Ending Balance	16,715	$ 39,838	$ 45,523	16,715	$ 95,935
Aggregate Intrinsic Value Vested options as of September 30, 2022	$ 14,393			$ 14,393