Condensed Consolidated Statements of Convertible Preferred Stock & Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Accumulated Deficit	Common stock reserved for the conversion of Series A convertible preferred stock	Total
Beginning balance at Dec. 31, 2022	$ 56	$ 974,356	$ (92)	$ (710,058)		$ 264,262
Beginning balance (in shares) at Dec. 31, 2022	56,612,429
Increase (Decrease) in Stockholders' Equity
Stock-based compensation expense		6,376				6,376
Issuance of common stock in connection with ESPP		665				665
Issuance of common stock in connection with ESPP (in shares)	32,169
Issuance of common stock in connection with exercise of stock options and vesting of restricted stock units		553				553
Issuance of common stock in connection with exercise of stock options and vesting of restricted stock units (in shares)	207,806
Foreign currency translation adjustment			21			21
Net unrealized losses on short-term investments			65			65
Net loss				(52,179)		(52,179)
Ending balance at Mar. 31, 2023	$ 56	981,950	(6)	(762,237)		219,763
Ending balance (in shares) at Mar. 31, 2023	56,852,404
Beginning balance at Dec. 31, 2022	$ 56	974,356	(92)	(710,058)		264,262
Beginning balance (in shares) at Dec. 31, 2022	56,612,429
Increase (Decrease) in Stockholders' Equity
Foreign currency translation adjustment						49
Net loss						(143,045)
Ending balance at Sep. 30, 2023	$ 59	1,050,631	(113)	(853,103)		197,474
Ending balance (in shares) at Sep. 30, 2023	59,089,352
Beginning balance at Mar. 31, 2023	$ 56	981,950	(6)	(762,237)		219,763
Beginning balance (in shares) at Mar. 31, 2023	56,852,404
Increase (Decrease) in Stockholders' Equity
Stock-based compensation expense		8,891				8,891
Issuance of common stock in connection with exercise of stock options and vesting of restricted stock units	$ 1	341				342
Issuance of common stock in connection with exercise of stock options and vesting of restricted stock units (in shares)	43,664
Foreign currency translation adjustment			(48)			(48)
Net unrealized losses on short-term investments			40			40
Net loss				(46,703)		(46,703)
Ending balance at Jun. 30, 2023	$ 57	991,182	(14)	(808,940)		182,285
Ending balance (in shares) at Jun. 30, 2023	56,896,068
Increase (Decrease) in Stockholders' Equity
Stock-based compensation expense		8,612				8,612
Issuance of common stock in connection with ESPP		388				388
Issuance of common stock in connection with ESPP (in shares)	17,650
Issuance of common stock in connection with exercise of stock options and vesting of restricted stock units		1,576				1,576
Issuance of common stock in connection with exercise of stock options and vesting of restricted stock units (in shares)	156,389
Issuance of common stock upon completion of public offering, net of offering costs	$ 2	48,873				48,875
Issuance of common stock upon completion of public offering, net of offering costs (in shares)	2,019,245
Foreign currency translation adjustment			76			76
Net unrealized losses on short-term investments			(175)			(175)
Net loss				(44,163)		(44,163)
Ending balance at Sep. 30, 2023	$ 59	1,050,631	(113)	(853,103)		197,474
Ending balance (in shares) at Sep. 30, 2023	59,089,352
Temporary Equity
Issuance of Series A Preferred Stock, net of $2,250 of issuance costs (in shares)					0
Beginning balance (in shares) at Dec. 31, 2023					0
Beginning balance at Dec. 31, 2023	$ 59	1,064,302	134	(894,736)		169,759
Beginning balance (in shares) at Dec. 31, 2023	59,426,559
Increase (Decrease) in Stockholders' Equity
Stock-based compensation expense		7,767				7,767
Issuance of common stock in connection with ESPP		673				673
Issuance of common stock in connection with ESPP (in shares)	28,495
Issuance of common stock in connection with exercise of stock options and vesting of restricted stock units	$ 1	6,352				6,353
Issuance of common stock in connection with exercise of stock options and vesting of restricted stock units (in shares)	1,077,271
Issuance of common stock as consideration for LGC license		18,716				18,716
Issuance of common stock as consideration for LGC license (in shares)	432,143
Foreign currency translation adjustment			(71)			(71)
Unrealized loss on marketable securities			(244)			(244)
Net loss				(141,372)		(141,372)
Ending balance at Mar. 31, 2024	$ 60	1,097,810	(181)	(1,036,108)		61,581
Ending balance (in shares) at Mar. 31, 2024	60,964,468
Beginning balance (in shares) at Dec. 31, 2023					0
Temporary Equity
Accrued dividends on convertible preferred stock						2,631
Ending balance at Sep. 30, 2024					$ 141,481	141,481
Ending balance (in shares) at Sep. 30, 2024					150,000
Beginning balance at Dec. 31, 2023	$ 59	1,064,302	134	(894,736)		169,759
Beginning balance (in shares) at Dec. 31, 2023	59,426,559
Increase (Decrease) in Stockholders' Equity
Foreign currency translation adjustment						(975)
Net loss						(217,310)
Ending balance at Sep. 30, 2024	$ 61	1,123,768	(604)	(1,112,010)		11,215
Ending balance (in shares) at Sep. 30, 2024	61,436,251
Temporary Equity
Issuance of Series A Preferred Stock, net of $2,250 of issuance costs					$ 138,850
Accrued dividends on convertible preferred stock					1,302
Ending balance at Jun. 30, 2024					$ 140,152
Ending balance (in shares) at Jun. 30, 2024					150,000
Beginning balance at Mar. 31, 2024	$ 60	1,097,810	(181)	(1,036,108)		61,581
Beginning balance (in shares) at Mar. 31, 2024	60,964,468
Increase (Decrease) in Stockholders' Equity
Stock-based compensation expense		10,358				10,358
Issuance of common stock in connection with exercise of stock options and vesting of restricted stock units		1,403				1,403
Issuance of common stock in connection with exercise of stock options and vesting of restricted stock units (in shares)	131,481
Accretion of preferred stock dividends		(1,302)				(1,302)
Foreign currency translation adjustment			(302)			(302)
Unrealized loss on marketable securities			(134)			(134)
Net loss				(32,261)		(32,261)
Ending balance at Jun. 30, 2024	$ 60	1,108,269	(617)	(1,068,369)		39,343
Ending balance (in shares) at Jun. 30, 2024	61,095,949
Temporary Equity
Issuance of Series A Preferred Stock, net of $2,250 of issuance costs (in shares)					150,000
Accrued dividends on convertible preferred stock					$ 1,329	1,329
Ending balance at Sep. 30, 2024					$ 141,481	141,481
Ending balance (in shares) at Sep. 30, 2024					150,000
Increase (Decrease) in Stockholders' Equity
Stock-based compensation expense		11,001				11,001
Issuance of common stock in connection with ESPP		597				597
Issuance of common stock in connection with ESPP (in shares)	16,059
Issuance of common stock in connection with exercise of stock options and vesting of restricted stock units	$ 1	5,230				5,231
Issuance of common stock in connection with exercise of stock options and vesting of restricted stock units (in shares)	324,243
Accretion of preferred stock dividends		(1,329)				(1,329)
Foreign currency translation adjustment			(602)			(602)
Net unrealized losses on short-term investments			615			615
Net loss				(43,641)		(43,641)
Ending balance at Sep. 30, 2024	$ 61	$ 1,123,768	$ (604)	$ (1,112,010)		$ 11,215
Ending balance (in shares) at Sep. 30, 2024	61,436,251
Temporary Equity
Issuance of Series A Preferred Stock, net of $2,250 of issuance costs (in shares)					150,000