Description of Business, Organization and Liquidity - Additional Information (Details) $ / shares in Units, $ in Thousands				3 Months Ended						9 Months Ended		12 Months Ended
	Feb. 12, 2024 USD ($) $ / shares shares	Feb. 08, 2024	Jan. 30, 2024	Sep. 30, 2024 USD ($)	Jun. 30, 2024 USD ($)	Mar. 31, 2024 USD ($) shares	Sep. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($) shares
Subsidiary, Sale of Stock [Line Items]
Incorporated date										Jun. 14, 2018
Shares issued | shares												349,321
Net proceeds										$ 341,171
Description of reverse stock split										On January 30, 2024, the Company’s shareholders approved and the Company effected a reverse stock split of the shares of common stock at a ratio of 1-for-4.5511 (the “Reverse Stock Split”). The number of authorized shares and par value per share were not adjusted as a result of the Reverse Stock Split. All references to shares, restricted stock awards, restricted stock units and options to purchase common stock, share data, per share data, and related information contained in the financial statements have been retrospectively adjusted to reflect the effect of the Reverse Stock Split for all periods presented. The conversion ratios for each series of the Company’s redeemable convertible preferred stock, which was automatically converted into shares of common stock upon the closing of the IPO, were proportionally adjusted.
Reverse stock split conversion ratio		0.219	0.219
Accumulated deficit				$ 226,031						$ 226,031		$ 136,043
Net loss				34,492	$ 28,803	$ 26,693	$ 15,465	$ 13,091	$ 11,143	89,988	$ 39,699
Cash and cash equivalents and available-for-sale marketable securities				$ 321,600						$ 321,600
Common Stock
Subsidiary, Sale of Stock [Line Items]
Shares issued | shares						16,675,000
Initial Public Offering | Common Stock
Subsidiary, Sale of Stock [Line Items]
Shares issued | shares	16,675,000
Share price | $ / shares	$ 22
Gross proceeds	$ 366,900
Net proceeds	336,200
Underwriting discounts and commissions and other offering costs	$ 30,700
Underwriters option to purchase | Common Stock
Subsidiary, Sale of Stock [Line Items]
Shares issued | shares	2,175,000