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Collaboration and Licensing Revenue - Summary of Deferred Revenue (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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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

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