Consolidated Statements of Earnings - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues
Total revenues		$ 607,521	$ 667,238	$ 579,775
Costs and expenses
Costs of goods sold	[1]	83,779	87,221	75,061
Research and development		91,593	74,552	90,467
Selling, general and administrative		336,361	377,221	304,759
Amortization of intangible assets		82,385	82,630	29,989
Impairment of intangible assets		20,189	0	0
Contingent consideration gain		(1,517)	(510)	(6,530)
Total costs and expenses		612,790	621,114	493,746
Operating earnings (loss)		(5,269)	46,124	86,029
Other income (expense)
Interest and other income, net		10,453	21,689	10,569
Interest expense		(2,415)	(7,070)	(23,423)
Total other income (expense)		8,038	14,619	(12,854)
Earnings before income taxes		2,769	60,743	73,175
Income tax expense		1,453	32	19,751
Net earnings		$ 1,316	$ 60,711	$ 53,424
Earnings per share
Basic (in dollars per share)		$ 0.02	$ 1.13	$ 1.01
Diluted (in dollars per share)		$ 0.02	$ 1.04	$ 0.98
Weighted-average shares outstanding
Basic (in shares)		54,536,281	53,665,143	53,099,330
Diluted (in shares)		55,506,828	61,679,800	54,356,744
Net product sales
Revenues
Total revenues		$ 573,933	$ 649,432	$ 567,504
Royalty and licensing revenues
Revenues
Total revenues		$ 33,588	$ 17,806	$ 12,271

[1] Excludes amortization of intangible assets.