CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Statement of Comprehensive Income [Abstract]
Product revenue, net	$ 207,638	$ 182,546	$ 559,282	$ 493,150
Operating expenses:
Cost of sales	4,596	2,867	10,432	7,926
Research and development	68,846	59,336	190,052	176,587
Selling, general and administrative	123,977	73,745	318,488	196,948
Total operating expenses	197,419	135,948	518,972	381,461
Income from operations	10,219	46,598	40,310	111,689
Interest and other income	5,024	6,345	16,243	17,844
Income before income taxes	15,243	52,943	56,553	129,533
Income tax benefit (expense)	4,425	(5,730)	18,811	(19,070)
Net income	19,668	47,213	75,364	110,463
Net income attributable to common stockholders basic	19,359	46,690	74,267	109,344
Net income attributable to common stockholders diluted	$ 19,359	$ 46,690	$ 74,267	$ 109,344
Basic net income per common share (in dollars per share)	$ 0.19	$ 0.45	$ 0.71	$ 1.06
Diluted net income per common share (in dollars per share)	$ 0.16	$ 0.41	$ 0.62	$ 0.98
Weighted-average shares outstanding used in computing net income per common share
Basic (in shares)	103,545	103,371	103,919	103,094
Diluted (in shares)	119,439	113,723	119,981	111,571