Stock-Based Compensation - Summary of Stock Option Activity (Details) - Stock Options - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]
Number of Outstanding Options, Beginning Balance	5,532,871
Number of Outstanding Options, Granted	806,007
Number of Outstanding Options, Exercised	(872,520)
Number of Outstanding Options, Forfeited/Expired	(263,195)
Number of Outstanding Options, Ending Balance	5,203,163	5,532,871
Number of Outstanding Options, Vested and expected to vest	5,203,163
Number of Outstanding Options, Exercisable	1,896,514
Weighted Average Exercise Price, Beginning Balance	$ 4.12
Weighted Average Exercise Price, Granted	24.03
Weighted Average Exercise Price, Exercised	2.07
Weighted Average Exercise Price, Forfeited/Expired	4.69
Weighted Average Exercise Price, Ending Balance	7.52	$ 4.12
Weighted Average Exercise Price, Vested and expected to vest	7.52
Weighted Average Exercise Price, Exercisable	$ 3.15
Weighted Average Remaining Contractual Term (Years)	7 years 11 months 15 days	8 years 6 months 18 days
Weighted Average Remaining Contractual Term (Years), Vested and expected to vest	7 years 11 months 15 days
Weighted Average Remaining Contractual Term (Years), Exercisable	6 years 6 months 3 days
Aggregate Intrinsic Value, Beginning Balance	$ 40,290
Aggregate Intrinsic Value, Ending Balance	157,184	$ 40,290
Aggregate Intrinsic Value, Vested and expected to vest	157,184
Aggregate Intrinsic Value, Exercisable	$ 65,574