Intangible Assets and Goodwill (Intangible Assets) (Details) - USD ($) $ in Thousands		1 Months Ended	3 Months Ended	6 Months Ended
	Feb. 02, 2015	Feb. 28, 2015	Jun. 30, 2015	Jun. 30, 2015	Dec. 31, 2014
Intangible Assets and Goodwill [Line Items]
Weighted Average Useful Life				15 years 4 months 24 days
Gross Carrying Amount			$ 882,733	$ 882,733	$ 261,055
Accumulated Amortization and Other Charges			(97,194)	(97,194)	(81,076)
Net Carrying Amount			785,539	785,539	179,979
Amortization expense and impairment charge			9,600	16,100
Future amortization expense, remainder of fiscal year			24,100	24,100
Future amortization expense, 2016			52,700	52,700
Future amortization expense, 2017			52,800	52,800
Future amortization expense, 2018			52,400	52,400
Future amortization expense, 2019			52,000	52,000
Future amortization expense, 2020			52,000	52,000
Future amortization expense, after Year 2020			499,500	499,500
Intangible assets not subject to amortization			253,620	253,620	712,680
In-process research and development [Member]
Intangible Assets and Goodwill [Line Items]
Intangible assets not subject to amortization			253,620	253,620	650,680
Recothrom option [Member]
Intangible Assets and Goodwill [Line Items]
Intangible assets not subject to amortization			0	$ 0	62,000
Recothrom [Member]
Intangible Assets and Goodwill [Line Items]
Acquisition, consideration		$ 132,400
Inventory		$ 44,000
Annovation [Member]
Intangible Assets and Goodwill [Line Items]
In-process research and development	$ 65,000
Cost of Sales [Member]
Intangible Assets and Goodwill [Line Items]
Impairment charge			3,600
Selling rights agreement [Member]
Intangible Assets and Goodwill [Line Items]
Weighted Average Useful Life				3 years 6 months
Gross Carrying Amount			9,126	$ 9,126	9,125
Accumulated Amortization and Other Charges			(9,085)	(9,085)	(8,961)
Net Carrying Amount			41	$ 41	164
Product licenses [Member]
Intangible Assets and Goodwill [Line Items]
Weighted Average Useful Life				10 years 2 months 12 days
Gross Carrying Amount			80,500	$ 80,500	71,000
Accumulated Amortization and Other Charges			(71,000)	(71,000)	(65,602)
Net Carrying Amount			9,500	$ 9,500	5,398
Developed product rights [Member]
Intangible Assets and Goodwill [Line Items]
Weighted Average Useful Life				15 years 6 months
Gross Carrying Amount			793,107	$ 793,107	180,930
Accumulated Amortization and Other Charges			(17,109)	(17,109)	(6,513)
Net Carrying Amount			775,998	$ 775,998	$ 174,417
Developed product rights [Member] | United States [Member] | Ionsys [Member]
Intangible Assets and Goodwill [Line Items]
Reclassification of IPR&D to developed product rights			250,000
Developed product rights [Member] | United States [Member] | RPX-602 [Member]
Intangible Assets and Goodwill [Line Items]
Reclassification of IPR&D to developed product rights			36,100
Developed product rights [Member] | United States and Europe [Member] | Raplixa [Member]
Intangible Assets and Goodwill [Line Items]
Reclassification of IPR&D to developed product rights			$ 176,000