Stock-Based Compensation - Summary of Stock Option Activity (Details) - 2023 Inducement Plan and 2019 Equity Incentive Plan $ / shares in Units, $ in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2024 USD ($) $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares
Number of Options
Outstanding, Beginning Balance | shares	4,686,577
Granted | shares	3,108,400
Exercised | shares	(46,003)
Forfeited | shares	(294,732)
Outstanding, Ending Balance | shares	7,454,242	4,686,577
Exercisable as of June 30, 2024 | shares	2,957,728
Weighted Average Exercise Price
Weighted Average Exercise Price Outstanding, Beginning Balance | $ / shares	$ 14.11
Weighted Average Exercise Price, Granted | $ / shares	9.65
Weighted Average Exercise Price, Exercised | $ / shares	3.08
Weighted Average Exercise Price, Forfeited | $ / shares	12.47
Weighted Average Exercise Price Outstanding, Ending Balance | $ / shares	12.38	$ 14.11
Weighted Average Exercise Price, Exercisable as of June 30, 2024 | $ / shares	$ 14.9
Weighted Average Remaining Contractual Term (In years)
Weighted Average Remaining Contractual Term (In years), Outstanding	8 years	7 years 10 months 24 days
Weighted Average Remaining Contractual Term (In years), Exercisable as of June 30, 2024	6 years 6 months
Aggregate Intrinsic Value
Aggregate Intrinsic Value | $	$ 5,484	$ 11,712
Aggregate Intrinsic Value, Exercisable as of June 30, 2024 | $	$ 4,568