CONDENSED CONSOLIDATED STATEMENTS OF CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY (DEFICIT) (Unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid In Capital	Accumulated Deficit	Accumulated Other Comprehensive Gain (Loss)
Beginning Balance at Dec. 31, 2021	$ 459,638	$ 5	$ 689,275	$ (228,982)	$ (660)
Shares, Outstanding, Beginning Balance at Dec. 31, 2021		51,536,181
Issuance of Common Stock and accompanying Pre-Funded Warrants at Private Placement, net of issuance costs	149,826	$ 1	149,825
Issuance of common stock and accompanying pre-funded warrants from private placement, net of issuance costs, shares		2,769,228
Exercise of stock options	1,790		1,790
Exercise of stock options, Shares		388,061
Vesting restricted stock, Shares		36,866
Issuance of shares under employee stock purchase plan	256		256
Issuance of shares under employee stock purchase plan, Shares		21,093
Stock-based compensation expense	26,571		26,571
Unrealized gain (loss) on marketable securities	(5,253)				(5,253)
Net loss	(119,943)			(119,943)
Ending Balance at Sep. 30, 2022	512,885	$ 6	867,717	(348,925)	(5,913)
Shares, Outstanding, Ending Balance at Sep. 30, 2022		54,751,429
Beginning Balance at Jun. 30, 2022	397,951	$ 5	707,852	(305,923)	(3,983)
Shares, Outstanding, Beginning Balance at Jun. 30, 2022		51,847,049
Issuance of Common Stock and accompanying Pre-Funded Warrants at Private Placement, net of issuance costs	149,826	$ 1	149,825
Issuance of common stock and accompanying pre-funded warrants from private placement, net of issuance costs, shares		2,769,228
Exercise of stock options	964		964
Exercise of stock options, Shares		125,534
Vesting restricted stock, Shares		9,618
Stock-based compensation expense	9,076		9,076
Unrealized gain (loss) on marketable securities	(1,930)				(1,930)
Net loss	(43,002)			(43,002)
Ending Balance at Sep. 30, 2022	512,885	$ 6	867,717	(348,925)	(5,913)
Shares, Outstanding, Ending Balance at Sep. 30, 2022		54,751,429
Beginning Balance at Dec. 31, 2022	490,151	$ 6	878,884	(383,790)	(4,949)
Shares, Outstanding, Beginning Balance at Dec. 31, 2022		55,039,380
Exercise of stock options	2,297		2,297
Exercise of stock options, Shares		335,065
Vesting restricted stock, Shares		36,371
Issuance of shares under employee stock purchase plan	962		962
Issuance of shares under employee stock purchase plan, Shares		39,423
Stock-based compensation expense	32,220		32,220
Unrealized gain (loss) on marketable securities	2,499				2,499
Net loss	(132,594)			(132,594)
Ending Balance at Sep. 30, 2023	395,535	$ 6	914,363	(516,384)	(2,450)
Shares, Outstanding, Ending Balance at Sep. 30, 2023		55,450,239
Beginning Balance at Jun. 30, 2023	435,428	$ 6	902,574	(463,517)	(3,635)
Shares, Outstanding, Beginning Balance at Jun. 30, 2023		55,390,259
Exercise of stock options	135		135
Exercise of stock options, Shares		58,373
Vesting restricted stock, Shares		1,607
Stock-based compensation expense	11,654		11,654
Unrealized gain (loss) on marketable securities	1,185				1,185
Net loss	(52,867)			(52,867)
Ending Balance at Sep. 30, 2023	$ 395,535	$ 6	$ 914,363	$ (516,384)	$ (2,450)
Shares, Outstanding, Ending Balance at Sep. 30, 2023		55,450,239