Goodwill and Intangible Assets, Net - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Cost	$ 1,094,100	$ 1,094,100
Accumulated Amortization	167,171	142,322
Impairments	0	0
Total	926,929	951,778
Indefinite And Finite-Lived Intangible Assets, Accumulated Impairment Loss	3,700	3,700
Total intangible assets
Total intangible assets at cost	1,238,200	1,238,200
Net total intangible assets	1,067,329	1,092,178
Makena IPR&D
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	79,100	79,100
Indefinite-lived intangible assets, impairment	0	0
Indefinite-Lived Intangible Assets, Net	79,100	79,100
CBR trade names and trademarks
Indefinite-lived Intangible Assets [Line Items]
Indefinite-lived intangible assets	65,000	65,000
Indefinite-lived intangible assets, impairment	3,700	3,700
Indefinite-Lived Intangible Assets, Net	61,300	61,300
Makena base technology
Finite-Lived Intangible Assets [Line Items]
Cost	797,100	797,100
Accumulated Amortization	149,652	128,732
Impairments	0	0
Total	647,448	668,368
CBR customer relationships
Finite-Lived Intangible Assets [Line Items]
Cost	297,000	297,000
Accumulated Amortization	17,519	13,590
Impairments	0	0
Total	$ 279,481	$ 283,410