Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Total revenue	$ 7,902	$ 3,294
Operating costs and expenses:
Cost of revenues	1,269	230
Research and development	71,734	92,826
Selling, general and administrative	52,574	65,708
Total operating costs and expenses	125,577	158,764
Loss from operations	(117,675)	(155,470)
Interest income, net	9,204	8,830
Other expense, net	(12)	(188)
Net loss	$ (108,483)	$ (146,828)
Net loss per share - basic	$ (1.8)	$ (2.46)
Net loss per share - diluted	$ (1.8)	$ (2.46)
Weighted average number of common shares outstanding— basic	60,136,198	59,674,127
Weighted average number of common shares outstanding— diluted	60,136,198	59,674,127
Comprehensive loss:
Net loss	$ (108,483)	$ (146,828)
Other comprehensive items:
Unrealized gain on marketable securities	27	5,118
Total comprehensive loss	(108,456)	(141,710)
Product Revenue [Member]
Total revenue	1,690	$ 3,294
Collaboration Revenue - Related Party [Member]
Total revenue	$ 6,212