CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Statement of Comprehensive Income [Abstract]
Product revenue, net	$ 194,430	$ 163,796	$ 351,644	$ 310,604
Operating expenses:
Cost of sales	3,433	2,524	5,836	5,059
Research and development	60,471	58,745	121,206	117,251
Selling, general and administrative	103,851	66,935	194,511	123,203
Total operating expenses	167,755	128,204	321,553	245,513
Income from operations	26,675	35,592	30,091	65,091
Interest and other income	5,017	6,004	11,219	11,498
Income before income taxes	31,692	41,596	41,310	76,589
Income tax benefit (expense)	3,457	(6,108)	14,386	(13,339)
Net income	35,149	35,488	55,696	63,250
Net income attributable to common stockholders basic	34,611	35,120	54,918	62,640
Net income attributable to common stockholders diluted	$ 34,611	$ 35,120	$ 54,918	$ 62,640
Basic net income per common share (in dollars per share)	$ 0.33	$ 0.34	$ 0.53	$ 0.61
Diluted net income per common share (in dollars per share)	$ 0.29	$ 0.32	$ 0.46	$ 0.57
Weighted-average shares outstanding used in computing net income per common share
Basic (in shares)	104,111	103,118	104,108	102,954
Diluted (in shares)	120,485	111,244	120,227	110,550