Condensed Consolidated Statements of Operations (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Related Party Transaction [Line Items]
Total revenues	$ 21,561	$ 23,583	$ 79,652	$ 83,845
Continuing Operations
Related Party Transaction [Line Items]
Total revenues	21,561	23,583	79,652	83,845
Collaboration and licensing agreements
Related Party Transaction [Line Items]
Total revenues	22	5,223	389	20,259
Collaboration and licensing agreements | Continuing Operations
Related Party Transaction [Line Items]
Total revenues	22	5,223	389	20,259
Collaboration and licensing agreements | Continuing Operations | Related Parties, Aggregated
Related Party Transaction [Line Items]
Total revenues	$ 0	$ 2,823	$ 0	$ 3,053