Restatement of Previously Issued Financial Statements - Schedule of Operations and Comprehensive Loss (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Revenue:
Product revenue, net	$ 18,561	$ 2,296
Other revenue	12	85
Total revenues	18,573	2,381
Cost of product revenue	25,864	5,512
Gross margin	(7,291)	(3,131)
Operating expenses:
Research and development	25,072	41,587
Selling, general and administrative	46,329	37,467
Total operating expenses	71,401	79,054
Gain from sale of priority review voucher, net	0	92,930
Income from operations	(78,692)	10,745
Interest income	2,579	2,828
Interest expense	(4,856)	(4,270)
Other income, net	11,165	9,627
(Loss) income before income taxes	(69,804)	18,930
Income tax (expense) benefit	0	0
Net (loss) income	$ (69,804)	$ 18,930
Net income per share - basic (in dollars per share)	$ (0.36)	$ 0.18
Net income per share - diluted (in dollars per share)	$ (0.36)	$ 0.18
Weighted-average number of common shares used in computing net income per share - basic (in shares)	193,151	102,920
Weighted-average number of common shares used in computing net income per share - diluted (in shares)	193,151	103,303
Other comprehensive (loss) income:
Other comprehensive income, net of tax (benefit) expense of $0.0 million for the three months ended March 31, 2023	$ 0	$ 0
Other comprehensive (loss) income	(312)	984
Comprehensive income	$ (70,116)	19,914
As Previously Reported
Revenue:
Product revenue, net		2,296
Other revenue		85
Total revenues		2,381
Cost of product revenue		3,376
Gross margin		(995)
Operating expenses:
Research and development		46,144
Selling, general and administrative		37,354
Total operating expenses		83,498
Gain from sale of priority review voucher, net		92,930
Income from operations		8,437
Interest income		2,828
Interest expense		(3)
Other income, net		9,978
(Loss) income before income taxes		21,240
Income tax (expense) benefit		0
Net (loss) income		$ 21,240
Net income per share - basic (in dollars per share)		$ 0.21
Net income per share - diluted (in dollars per share)		$ 0.21
Weighted-average number of common shares used in computing net income per share - basic (in shares)		102,920
Weighted-average number of common shares used in computing net income per share - diluted (in shares)		103,303
Other comprehensive (loss) income:
Other comprehensive (loss) income		$ 984
Comprehensive income		22,224
Revision of Prior Period, Error Correction, Adjustment | Adjustments to Embedded Leases
Revenue:
Product revenue, net		0
Other revenue		0
Total revenues		0
Cost of product revenue		2,136
Gross margin		(2,136)
Operating expenses:
Research and development		(4,516)
Selling, general and administrative		113
Total operating expenses		(4,403)
Gain from sale of priority review voucher, net		0
Income from operations		2,267
Interest income		0
Interest expense		(4,267)
Other income, net		(351)
(Loss) income before income taxes		(2,351)
Income tax (expense) benefit		0
Net (loss) income		$ (2,351)
Net income per share - basic (in dollars per share)		$ (0.02)
Net income per share - diluted (in dollars per share)		$ (0.02)
Weighted-average number of common shares used in computing net income per share - basic (in shares)		102,920
Weighted-average number of common shares used in computing net income per share - diluted (in shares)		103,303
Other comprehensive (loss) income:
Other comprehensive (loss) income		$ 0
Comprehensive income		(2,351)
Revision of Prior Period, Error Correction, Adjustment | Other Adjustments
Revenue:
Product revenue, net		0
Other revenue		0
Total revenues		0
Cost of product revenue		0
Gross margin		0
Operating expenses:
Research and development		(41)
Selling, general and administrative		0
Total operating expenses		(41)
Gain from sale of priority review voucher, net		0
Income from operations		41
Interest income		0
Interest expense		0
Other income, net		0
(Loss) income before income taxes		41
Income tax (expense) benefit		0
Net (loss) income		$ 41
Net income per share - basic (in dollars per share)		$ 0
Net income per share - diluted (in dollars per share)		$ 0
Weighted-average number of common shares used in computing net income per share - basic (in shares)		102,920
Weighted-average number of common shares used in computing net income per share - diluted (in shares)		103,303
Other comprehensive (loss) income:
Other comprehensive (loss) income		$ 0
Comprehensive income		$ 41