Stock-Based Compensation - Summary of Stock Options Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2024	Mar. 31, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Options, Granted	0		0	2,527,000	3,070,000
2018 Stock Plan and 2021 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Options, Beginning Balance	11,493,000	9,158,000		9,158,000
Number of Options, Granted		2,527,000
Number of Options, Exercised		(192,000)
Number of Options, Forfeited	(347,000)
Number of Options, Ending Balance	11,146,000	11,493,000		11,146,000		9,158,000
Number of Options, Exercisable options as of June 30, 2024	6,670,000			6,670,000
Weighted-Average Exercise Price, Beginning Balance	$ 1.7	$ 1.21		$ 1.21
Weighted-Average Exercise Price, Granted		3.36
Weighted-Average Exercise Price, Exercised		0.47
Weighted-Average Exercise Price, Forfeited	2.96
Weighted-Average Exercise Price, Ending Balance	1.66	$ 1.7		1.66		$ 1.21
Weighted-Average Exercise Price, Exercisable options as of June 30, 2024	$ 0.75			$ 0.75
Weighted Average Remaining Contractual Life (Years), Balance	7 years 1 month 2 days	7 years 3 months 18 days				6 years 9 months 21 days
Weighted Average Remaining Contractual Life (years), Exercisable options as of June 30, 2024	5 years 9 months 21 days
Aggregate Intrinsic Value	$ 11,646	$ 13,504		$ 11,646		$ 18,112
Aggregate Intrinsic Value, Exercisable options as of June 30, 2024	$ 11,240			$ 11,240