Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Statement [Abstract]
Revenue	$ 438,933	$ 391,212	$ 515,919
Operating expenses:
Research and development	44,579	39,608	35,080
Selling, general and administrative	135,630	129,214	136,800
Amortization expense	97,077	98,090	58,617
Litigation expense	8,587	5,272	17,967
Total operating expenses	285,873	272,184	248,464
Operating income from continuing operations	153,060	119,028	267,455
Interest expense	(45,335)	(38,973)	(37,873)
Other income and expense, net	2,047	768	3,212
Loss on debt extinguishment	(0)	(8,012)	(8,300)
Income from continuing operations before income taxes	109,772	72,811	224,494
Provision for (benefit from) income taxes	(28,620)	4,828	(15,312)
Net income from continuing operations	138,392	67,983	239,806
Net loss from discontinued operations, net of tax	(436,978)	(126,896)	(96,010)
Net income (loss)	(298,586)	(58,913)	143,796
Less: Net loss attributable to non-controlling interest in discontinued operations	(2,706)	(3,456)	(2,966)
Net income (loss) attributable to the Company	$ (295,880)	$ (55,457)	$ 146,762
Basic
Continuing operations	$ 1.33	$ 0.65	$ 2.89
Discontinued operations	(4.16)	(1.18)	(1.12)
Net income (loss)	(2.83)	(0.53)	1.77
Diluted
Continuing operations	1.29	0.63	2.86
Discontinued operations	(4.04)	(1.15)	(1.11)
Net income (loss)	$ (2.75)	$ (0.52)	$ 1.75
Weighted average number of shares used in per share calculations-basic	104,336	104,735	82,840
Weighted average number of shares used in per share calculations-diluted	107,580	107,265	83,856