Condensed Consolidated Statements of Earnings - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Revenues
Total revenues		$ 152,506	$ 130,932
Costs and expenses
Cost of goods sold	[1]	17,932	14,954
Research and development		20,839	34,280
Selling, general and administrative		90,459	61,457
Amortization of intangible assets		20,644	6,007
Contingent consideration expense		665	1,020
Total costs and expenses		150,539	117,718
Operating earnings		1,967	13,214
Other income (expense)
Interest expense		(1,942)	(6,097)
Interest and other income, net		14,698	3,812
Total other income (expense)		12,756	(2,285)
Earnings before income taxes		14,723	10,929
Income tax (benefit) expense		(10,893)	5,235
Net earnings		$ 25,616	$ 5,694
Earnings per share
Basic (in dollars per share)		$ 0.48	$ 0.11
Diluted (in dollars per share)		$ 0.43	$ 0.11
Weighted average shares outstanding
Basic (in shares)		53,330,837	52,927,467
Diluted (in shares)		61,406,555	54,196,971
Net product sales
Revenues
Total revenues		$ 147,464	$ 128,381
Royalty revenues
Revenues
Total revenues		$ 5,042	$ 2,551

[1] Excludes amortization of acquired intangible assets