Goodwill and Intangible Assets, Net - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Finite-lived intangible assets:
Finite-lived intangible assets, accumulated amortization	$ 421,519	$ 417,576
Total	213,090
Total intangible assets
Total intangible assets, cost	953,855	953,855
Total intangible assets, cumulative impairments	319,246	319,246
Total intangible assets, net	213,090	217,033
Makena | Developed technology rights
Finite-lived intangible assets:
Finite-lived intangible assets, cost	797,100	797,100
Finite-lived intangible assets, accumulated amortization	400,496	400,495
Finite-lived intangible assets, cumulative impairments	319,246	319,246
Total	77,358	77,359
Makena Auto-Injector | Developed technology rights
Finite-lived intangible assets:
Finite-lived intangible assets, cost	79,100	79,100
Finite-lived intangible assets, accumulated amortization	9,206	6,952
Finite-lived intangible assets, cumulative impairments	0	0
Total	69,894	72,148
Intrarosa | Developed technology rights
Finite-lived intangible assets:
Finite-lived intangible assets, cost	77,655	77,655
Finite-lived intangible assets, accumulated amortization	11,817	10,129
Finite-lived intangible assets, cumulative impairments	0	0
Total	$ 65,838	$ 67,526