Collaboration, License, Co-Promotion and Other Commercial Agreements - Accounts Receivable (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Accounts receiveable, net
Accounts payable due related party	$ 751	$ 1,509
Collaborative arrangements and active pharmaceutical ingredient
Accounts receiveable, net
Accounts receivable, net	128,400	43,900
Deferred revenue	900	900
Collaborative arrangements and active pharmaceutical ingredient | AbbVie
Accounts receiveable, net
Accounts receivable, net	88,300
Accounts payable	$ 3,600
Collaborative arrangements and active pharmaceutical ingredient | Allergan | Investor
Accounts receiveable, net
Accounts receivable, net and related party accounts receivable, net, net of related party accounts payable		110,100
Accounts payable due related party		$ 4,100