Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Costs and expenses
Research and development	$ 72,502	$ 65,355	$ 214,208	$ 183,423
General and administrative	27,893	20,887	77,634	59,815
Total costs and expenses	100,395	86,242	291,842	243,238
Loss from operations	(100,395)	(86,242)	(291,842)	(243,238)
Other income
Interest income, net	777	120	1,268	316
Net Loss	$ (99,618)	$ (86,122)	$ (290,574)	$ (242,922)
Net Loss Per Share of Common Stock, Basic	$ (0.63)	$ (0.55)	$ (1.85)	$ (1.60)
Net Loss Per Share of Common Stock, Diluted	$ (0.63)	$ (0.55)	$ (1.85)	$ (1.60)
Weighted Average Shares of Common Stock Outstanding, Basic	157,817	155,508	157,404	152,221
Weighted Average Shares of Common Stock Outstanding, Diluted	157,817	155,508	157,404	152,221