Collaboration, License, Co-Promotion and Other Commercial Agreements - North America - Collaborative Arrangements Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues:
Revenue	$ 89,432	$ 102,215	$ 169,375	$ 170,945
Collaborative arrangements revenue
Revenues:
Revenue	89,423	77,322	163,868	143,474
AbbVie | North America | Collaborative arrangements revenue
Revenues:
Revenue	86,926	75,498	158,618	140,283
AbbVie | North America | Collaborative arrangements, LINZESS
Revenues:
Revenue	86,503	74,973	157,645	139,267
AbbVie | North America | Royalty
Revenues:
Revenue	$ 423	$ 525	$ 973	$ 1,016