Condensed Consolidated Statements of Income (Loss) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenues:
Total revenues	$ 74,877	$ 104,061
Revenue from Contract with Customer, Product and Service	Collaborative arrangements revenue	Collaborative arrangements revenue
Costs and expenses:
Research and development	$ 25,815	$ 12,847
Selling, general and administrative	37,605	31,117
Restructuring expenses	437
Total costs and expenses	63,857	43,964
Income from operations	11,020	60,097
Other income (expense):
Interest expense and other financing costs	(7,231)	(1,527)
Interest and investment income	1,169	7,272
Gain on derivatives		19
Other income (expense), net	(6,062)	5,764
Income before income taxes	4,958	65,861
Income tax expense	(9,120)	(20,147)
Net income (loss)	$ (4,162)	$ 45,714
Net income (loss) per share - basic (in dollars per share)	$ (0.03)	$ 0.30
Net income (loss) per share - diluted (in dollars per share)	$ (0.03)	$ 0.25
Weighted average shares used in computing net income (loss) per share - basic (in shares)	157,700	154,452
Weighted average shares used in computing net income (loss) per share - diluted (in shares)	157,700	186,680