Stock-Based Compensation - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2024	Dec. 31, 2023
Share-Based Payment Arrangement [Abstract]
Number of Shares, Outstanding, beginning of period	3,117,042
Number of Shares, Granted	1,397,058
Number of Shares, Exercised	(30,875)
Number of Shares, Forfeited or canceled	(89,704)
Number of Shares, Outstanding, Ending of period	4,393,521	3,117,042
Number of Shares, Vested and expected to vest, Ending of period	4,393,521
Number of Shares, Vested and exercisable, Ending of period	1,803,126
Weighted-Average Exercise Price, Outstanding, beginning of period	$ 7.04
Weighted-Average Exercise Price, Granted	5.75
Weighted-Average Exercise Price, Exercised	2.91
Weighted-Average Exercise Price, Fortified or canceled	4.04
Weighted-Average Exercise Price, Outstanding, ending of period	6.72	$ 7.04
Weighted-Average Exercise Price, Vested and expected to vest, ending of period	6.72
Weighted-Average Exercise Price, Vested and exercisable, ending of period	$ 5.98
Weighted Average Remaining Contractual Term (in years), Outstanding	8 years 2 months 15 days	8 years 4 months 2 days
Weighted Average Remaining Contractual Term (in years), Vested and expected to vest, ending of period	8 years 2 months 15 days
Weighted Average Remaining Contractual Term (in years), Vested and exercisable, ending of period	7 years 5 months 1 day
Aggregate Intrinsic Value	$ 8,550	$ 3,409
Aggregate Intrinsic Value, Vested and expected to vest, ending of period	8,550
Aggregate Intrinsic Value, Vested and exercisable, ending of period	$ 5,149