CONSOLIDATED STATEMENTS OF REDEEMABLE CONVERTIBLE AND CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS’ EQUITY (DEFICIT) - USD ($)	Total	Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Loss	Accumulated Deficit	Series A Redeemable Convertible Preferred Stock	Series B Convertible Preferred Stock
Beginning balance (in shares) at Dec. 31, 2021						115,761,842	45,658,957
Beginning balance at Dec. 31, 2021						$ 196,157,000	$ 199,643,000
Temporary Equity [Abstract]
Conversion of convertible preferred stock to common stock upon closing of initial public offering (in shares)						(115,761,842)	(45,658,957)
Conversion of convertible preferred stock to common stock upon closing of initial public offering						$ (196,157,000)	$ (199,643,000)
Ending balance (in shares) at Dec. 31, 2022						0	0
Ending balance at Dec. 31, 2022						$ 0	$ 0
Beginning balance (in shares) at Dec. 31, 2021		32,413,860
Beginning balance at Dec. 31, 2021	$ (156,240,000)	$ 0	$ 15,163,000	$ (27,000)	$ (171,376,000)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		59,774
Issuance of common stock upon exercise of stock options	219,000		219,000
Reclassification of forward contract — related party	12,020,000	$ 1,101,525	12,020,000
Conversion of convertible preferred stock to common stock upon closing of initial public offering (in shares)		51,923,758
Conversion of convertible preferred stock to common stock upon closing of initial public offering	395,801,000	$ 1,000	395,800,000
Issuance of common stock from initial public offering, net of issuance costs and underwriting fees (in shares)		11,721,456
Issuance of common stock from initial public offering, net of issuance costs and underwriting fees of $5.1 million	180,189,000	$ 1,000	180,188,000
Repurchase of unvested restricted common stock (in shares)		(11,160)
Stock-based compensation expense	6,459,000		6,459,000
Change in unrealized loss on investments, net of tax	(357,000)			(357,000)
Net loss	$ (121,821,000)				(121,821,000)
Ending balance (in shares) at Dec. 31, 2022	97,209,213	97,209,213
Ending balance at Dec. 31, 2022	$ 316,270,000	$ 2,000	609,849,000	(384,000)	(293,197,000)
Ending balance (in shares) at Dec. 31, 2023						0	0
Ending balance at Dec. 31, 2023						$ 0	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock upon exercise of stock options (in shares)		167,908
Issuance of common stock upon exercise of stock options	655,000		655,000
Stock-based compensation expense	13,910,000		13,910,000
Change in unrealized loss on investments, net of tax	369,000			369,000
Net loss	$ (198,133,000)				(198,133,000)
Ending balance (in shares) at Dec. 31, 2023	97,377,121	97,377,121
Ending balance at Dec. 31, 2023	$ 133,071,000	$ 2,000	$ 624,414,000	$ (15,000)	$ (491,330,000)