Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues [Abstract]
Total revenue	$ 186,374	$ 77,062	$ 19,138
Operating expenses:
Cost of sales	47,039	12,374	1,903
Research and development	102,609	106,842	131,428
Selling, general and administrative	145,880	89,066	59,220
Total operating expenses	295,528	208,282	192,551
Loss from operations	(109,154)	(131,220)	(173,413)
Other income (expense):
Interest income	13,735	3,857	366
Interest expense	(15,105)	(15,979)	(17,590)
Change in fair value of derivative liability	0	906	(732)
Loss from termination of revenue interest purchase agreement	(49,076)	0	0
Gain from sale of priority review voucher, net	0	0	108,000
Other (expense) income, net	(2,824)	365	(582)
Net loss before provision for income taxes	(162,424)	(142,071)	(83,951)
Provision for (benefit from) income taxes	991	(6,406)	37
Net loss	$ (163,415)	$ (135,665)	$ (83,988)
Net loss per share:
Basic	$ (4)	$ (4.01)	$ (2.77)
Diluted	$ (4)	$ (4.02)	$ (2.77)
Weighted-average shares outstanding:
Basic	40,885,124	33,839,072	30,321,722
Diluted	40,885,124	33,982,493	30,321,722
Product
Revenues [Abstract]
Total revenue	$ 178,874	$ 75,062	$ 3,138
License
Revenues [Abstract]
Total revenue	$ 7,500	$ 2,000	$ 16,000