Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenues:
Products, net	$ 360,548	$ 238,988	$ 720,032	$ 470,483
Type of Revenue [Extensible List]	us-gaap:ProductMember	us-gaap:ProductMember	us-gaap:ProductMember	us-gaap:ProductMember
Collaboration and other	$ 2,383	$ 22,250	$ 56,363	$ 44,255
Total revenues	362,931	261,238	776,395	514,738
Cost and expenses:
Cost of sales (excluding amortization of in-licensed rights)	44,545	34,124	95,104	69,141
Research and development	179,690	241,890	380,086	487,569
Selling, general and administrative	138,796	118,564	265,799	229,278
Amortization of in-licensed rights	601	179	1,202	357
Total cost and expenses	363,632	394,757	742,191	786,345
Operating (loss) income	(701)	(133,519)	34,204	(271,607)
Other income (loss), net:
Other income, net	14,278	16,934	20,821	29,641
Gain from sale of Priority Review Voucher	0	102,000	0	102,000
Loss on debt extinguishment	0	0	0	(387,329)
Total other income (loss), net	14,278	118,934	20,821	(255,688)
Income (loss) before income tax expense	13,577	(14,585)	55,025	(527,295)
Income tax expense	7,117	9,355	12,446	13,400
Net income (loss)	6,460	(23,940)	42,579	(540,695)
Other comprehensive income (loss):
Unrealized (losses) gains on investments, net of tax	(339)	(636)	(1,948)	609
Total other comprehensive (loss) income	(339)	(636)	(1,948)	609
Comprehensive income (loss)	$ 6,121	$ (24,576)	$ 40,631	$ (540,086)
Earnings (loss) per share:
Basic	$ 0.07	$ (0.27)	$ 0.45	$ (6.11)
Diluted	$ 0.07	$ (0.27)	$ 0.44	$ (6.11)
Weighted average number of shares of common stock used in computing earnings (loss) per share:
Basic	94,618	88,743	94,305	88,466
Diluted	99,144	88,743	99,129	88,466