Intangible Assets, net - Schedule of Intangible Assets, Net (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014		Dec. 31, 2013
Intangible Assets, Net (Excluding Goodwill) [Line Items]
Intangible assets, net	$ 1,040,753		$ 1,092,648
Successor [Member]
Intangible Assets, Net (Excluding Goodwill) [Line Items]
Accumulated Amortization	(411,880)		(227,059)
Intangible assets, gross	1,452,633		1,319,707
Intangible assets, net	1,040,753		1,092,648
Successor [Member] | IPR&D [Member]
Intangible Assets, Net (Excluding Goodwill) [Line Items]
IPR&D	351,614	[1]	298,100	[1]
Accumulated Amortization	0		0
Successor [Member] | IPR&D, net [Member]
Intangible Assets, Net (Excluding Goodwill) [Line Items]
IPR&D	351,614	[1]	298,100	[1]
Successor [Member] | Developed products [Member]
Intangible Assets, Net (Excluding Goodwill) [Line Items]
Cost	957,166	[2]	878,607	[2]
Accumulated Amortization	(373,602)	[2]	(204,218)	[2]
Net	583,564	[2]	674,389	[2]
Successor [Member] | Other product related royalty streams [Member]
Intangible Assets, Net (Excluding Goodwill) [Line Items]
Cost	115,600		115,600
Accumulated Amortization	(37,334)		(22,709)
Net	78,266		92,891
Successor [Member] | Trade Names [Member]
Intangible Assets, Net (Excluding Goodwill) [Line Items]
Cost	27,100	[3]	26,400	[3]
Accumulated Amortization	(118)	[3]	0	[3]
Net	26,982	[3]	26,400	[3]
Successor [Member] | Other Intangible Assets [Member]
Intangible Assets, Net (Excluding Goodwill) [Line Items]
Cost	1,153		1,000
Accumulated Amortization	(826)		(132)
Net	$ 327		$ 868

[1] IPR&D indefinite-lived assets include IPR&D as part of the Merger, IPR&D acquired from the Watson/Actavis Merger, and IPR&D acquired as part of the Par Sterile Acquisition.

[2] Developed products include intangible assets related to commercial products as part of the Merger, subsequently developed IPR&D, products acquired from the Watson/Actavis Merger, and intangible assets related to commercial products as part of the Par Sterile Acquisition. These products are amortized based on its remaining useful life.

[3] Trade names include Par and Par Sterile Acquisition related trade name. The Par Sterile Acquisition related trade name is being amortized over its useful life, while the Par trade name is treated as an indefinite-lived asset and is not amortized.