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Revenue - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended	12 Months Ended
	Jan. 25, 2021	Mar. 31, 2021	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Collaboration and license revenue	$ 7,500	$ 7,500	$ 7,500	$ 0
Lexeo Therapeutics, Inc
Disaggregation of Revenue [Line Items]
Collaboration and license revenue	$ 7,500

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