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Revenue Recognition - Summary of Revenue Disaggregated by Research Program (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Disaggregation Of Revenue [Line Items] |  |
Total collaboration revenue | $ 27,941 | $ 19,538
MAT2A Program |  |
Disaggregation Of Revenue [Line Items] |  |
Total collaboration revenue | 7,230 | 6,048
Pol Theta Program |  |
Disaggregation Of Revenue [Line Items] |  |
Total collaboration revenue | 12,894 | 7,917
WRN Program |  |
Disaggregation Of Revenue [Line Items] |  |
Total collaboration revenue | $ 7,817 | $ 5,573

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