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Revenue Recognition - Summary of Revenue Disaggregated by Research Program (Details) - USD ($) $ in Thousands	12 Months Ended
	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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