CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenues
Product revenues, net	$ 83,751	$ 87,721
Revenue from Contract with Customer, Product and Service [Extensible List]	us-gaap:ProductMember	us-gaap:ProductMember
Cost of product revenues
Cost of product revenues (excluding intangible asset amortization)	$ 16,332	$ 15,328
Cost, Product and Service [Extensible List]	us-gaap:ProductMember	us-gaap:ProductMember
Intangible asset amortization	$ 18,923	$ 16,795
Total cost of products revenues	35,255	32,123
Gross profit	48,496	55,598
Operating expenses
Research and development	3,983	2,930
Selling, general and administrative	54,528	31,476
Total operating expenses	58,511	34,406
(Loss) income from operations	(10,015)	21,192
Interest expense	(5,831)	(5,721)
Interest income	4	3
(Loss) income before income taxes	(15,842)	15,474
(Benefit from) provision for income taxes	(2,773)	(188)
Net (loss) income	$ (13,069)	$ 15,662
(Loss) earnings per share - basic (in dollars per share)	$ (0.39)	$ 0.45
Weighted-average shares - basic (in shares)	33,673,912	34,951,740
(Loss) earnings per share - diluted (in dollars per share)	$ (0.39)	$ 0.41
Weighted-average shares - diluted (in shares)	33,673,912	41,160,092