Goodwill and Intangible Assets, Net - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Amortizable intangible assets:
Finite-lived intangible assets, cost	$ 1,250,855	$ 1,171,755
Finite-lived intangible assets, accumulated amortization	344,703	288,439
Finite-lived intangible assets, cumulative impairments	319,246	319,246
Total	586,906	564,070
Indefinite-lived intangible assets:
Total intangible assets, cost	1,315,855	1,315,855
Total intangible assets, impairments	322,946	322,946
Total intangible assets, net	648,206	704,470
CBR customer relationships
Amortizable intangible assets:
Finite-lived intangible assets, cost	297,000	297,000
Finite-lived intangible assets, accumulated amortization	33,209	29,309
Finite-lived intangible assets, cumulative impairments	0	0
Total	263,791	267,691
Makena | Developed technology rights
Amortizable intangible assets:
Finite-lived intangible assets, cost	797,100	797,100
Finite-lived intangible assets, accumulated amortization	306,242	255,754
Finite-lived intangible assets, cumulative impairments	319,246	319,246
Total	171,612	222,100
Makena Auto-Injector | Developed technology rights
Amortizable intangible assets:
Finite-lived intangible assets, cost	79,100	0
Finite-lived intangible assets, accumulated amortization	188	0
Finite-lived intangible assets, cumulative impairments	0	0
Total	78,912	0
Intrarosa | Developed technology rights
Amortizable intangible assets:
Finite-lived intangible assets, cost	77,655	77,655
Finite-lived intangible assets, accumulated amortization	5,064	3,376
Finite-lived intangible assets, cumulative impairments	0	0
Total	72,591	74,279
Makena IPR&D
Indefinite-lived intangible assets:
Indefinite-lived intangible assets, cost	0	79,100
Indefinite-lived intangible assets, cumulative impairments	0	0
Indefinite-lived intangible assets, net	0	79,100
CBR trade names and trademarks
Indefinite-lived intangible assets:
Indefinite-lived intangible assets, cost	65,000	65,000
Indefinite-lived intangible assets, cumulative impairments	3,700	3,700
Indefinite-lived intangible assets, net	$ 61,300	$ 61,300