CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Business Combination, Bargain Purchase, Gain Recognized, Amount	$ (2,276)	$ 0	$ 3,995	$ 0
Revenues
Interest revenue	6,051	8,594	16,968	24,901
Product revenue	20,067	14,128	51,477	14,128
Licenses Revenue	(165)	(127)	19,471	7
Total revenues	62,749	53,638	252,024	177,809
Cost of Revenue	5,565	0	12,632	0
Operating expenses
Cost of goods sold	6,275	6,014	18,438	6,014
General and administrative	11,989	10,396	35,853	27,193
Selling and Marketing Expense	4,994	11	11,194	11
Research and Development Expense	605	1,933	6,652	1,933
Change in fair value of contingent consideration	700	2,083	3,349	2,083
Business Combination, Acquisition Related Costs	0	546	0	3,505
Total operating expenses	30,128	20,983	88,118	40,739
Operating income	32,621	32,655	163,906	137,070
Non-operating expense, net
Interest and other income, net	238	162	726	404
Interest expense	(5,096)	(4,513)	(15,082)	(13,524)
Total non-operating expense, net	(7,134)	(4,351)	(10,361)	(13,120)
Income before income taxes	25,487	28,304	153,545	123,950
Income tax expense	4,755	14,400	65,180	50,011
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	20,732	13,904	88,365	73,939
Net Income (Loss) Attributable to Noncontrolling Interest	0	(3)	(47)	(3)
Net income	$ 20,732	$ 13,907	$ 88,412	$ 73,942
Net income per share
Basic (in Dollars per Share)	$ 0.14	$ 0.08	$ 0.56	$ 0.45
Net income per diluted share (in Dollars per Share)	$ 0.14	$ 0.08	$ 0.56	$ 0.45
Weighted average shares outstanding
Basic (in Shares)	151,146	163,856	156,802	163,771
Diluted (in Shares)	152,317	164,285	157,529	164,075
Cash dividends declared per common share (in Dollars per Share)	$ 0.00	$ 0.00	$ 0.00	$ 0.10
Queen et al. patents [Member]
Revenues
Royalty revenues	$ 1,443	$ 14,958	$ 31,884	$ 150,645
Acquired rights [Member]
Revenues
Royalty revenues	$ 35,353	$ 16,085	$ 132,224	$ (11,872)