UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME
Net product revenue	$ 186,038	$ 160,268	$ 513,467	$ 413,610
Revenue from Contract with Customer, Product and Service [Extensible Enumeration]	us-gaap:ProductMember	us-gaap:ProductMember	us-gaap:ProductMember	us-gaap:ProductMember
Cost of product sold	$ 42,778	$ 32,296	$ 102,406	$ 78,084
Cost, Product and Service [Extensible Enumeration]	us-gaap:ProductMember	us-gaap:ProductMember	us-gaap:ProductMember	us-gaap:ProductMember
Gross profit	$ 143,260	$ 127,972	$ 411,061	$ 335,526
Operating expenses:
Research and development	25,387	17,499	111,159	45,757
Sales and marketing	27,576	23,418	83,316	70,518
General and administrative	28,587	22,546	81,487	67,417
Total operating expenses	81,550	63,463	275,962	183,692
Operating income	61,710	64,509	135,099	151,834
Loss on debt extinguishment		(9,766)		(9,766)
Other (expense) income, net	(124)	(5)	(228)	(34)
Interest expense	(4,348)	(7,012)	(13,287)	(18,961)
Interest income	4,932	4,106	14,065	10,634
Income before income taxes	62,170	51,832	135,649	133,707
Income tax expense	(16,077)	(13,371)	(39,631)	(31,461)
Net income	46,093	38,461	96,018	102,246
Unrealized (loss) income on investments	733	6	497	(365)
Comprehensive income	$ 46,826	$ 38,467	$ 96,515	$ 101,881
EARNINGS PER SHARE:
Basic	$ 0.81	$ 0.64	$ 1.69	$ 1.71
Diluted	$ 0.79	$ 0.63	$ 1.66	$ 1.68
Weighted average number of shares of common stock - basic	56,870,234	59,863,102	56,815,167	59,856,941
Weighted average number of shares of common stock - diluted	58,103,963	60,681,676	57,754,016	60,892,992