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Collaboration Agreements - Vertex 2020 Strategic Alliance in Cystic Fibrosis (Details) - USD ($) $ in Thousands | 1 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |
Remaining performance obligations | $ 87,225 |
Deferred revenue | $ 3,867,193 | $ 63,310
Vertex 2020 Agreement |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |
Initial research period | 3 years |
Total collaboration revenue | $ 75,000 |
Written notice period | 90 days |
Termination period | 180 days |
Remaining performance obligations | $ 75,000 |
Deferred revenue | 75,000 |
Vertex 2020 Agreement | Upfront payment |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |
Total collaboration revenue | 75,000 |
Vertex 2020 Agreement | Certain Development Regulatory And Commercial Milestone Events |  |
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |
Amounts included in contract liabilities at the beginning of the period | $ 380,000 |

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