Condensed Consolidated Statements of Operations and Comprehensive Loss - USD ($) shares in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenues
Total revenues	$ 367,741,000	$ 241,756,000
Cost and expenses
Research and development	88,637,000	82,306,000
Selling, general and administrative	194,278,000	149,627,000
Total cost and expenses	442,055,000	380,057,000
Loss from operations	(74,314,000)	(138,301,000)
Interest expense	(3,124,000)	(3,061,000)
Interest and other income, net	10,267,000	4,585,000
Loss before income taxes	(67,171,000)	(136,777,000)
Income tax expense	(428,000)	(160,000)
Net loss	(67,599,000)	(136,937,000)
Unrealized gain on available-for-sale securities, net of tax	893,000	4,564,000
Comprehensive loss	$ (66,706,000)	$ (132,373,000)
Net loss per share (Note 12):
Basic (in dollars per share)	$ (0.56)	$ (1.23)
Diluted (in dollars per share)	$ (0.56)	$ (1.23)
Weighted-average number of shares used in computing basic and diluted net loss per share:
Basic (in shares)	120,814	111,767
Diluted (in shares)	120,814	111,767
Product
Revenues
Total revenues	$ 364,672,000	$ 237,797,000
Cost and expenses
Cost of revenues	158,833,000	147,754,000
Licensing and other
Revenues
Total revenues	3,069,000	3,959,000
Cost and expenses
Cost of revenues	$ 307,000	$ 370,000