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Collaboration and Licensing Revenue - Summary of Deferred Revenue (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Deferred Revenue Arrangement [Line Items]    
Deferred revenue $ 25,823 $ 53,833
Current portion of deferred revenue 2,800 5,697
Long-term portion of deferred revenue 23,023 48,136
Prepaid product and service revenues    
Deferred Revenue Arrangement [Line Items]    
Deferred revenue 2,126 2,805
Other    
Deferred Revenue Arrangement [Line Items]    
Deferred revenue 277 435
Collaboration and licensing agreements    
Deferred Revenue Arrangement [Line Items]    
Deferred revenue $ 23,420 $ 50,593