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The amount of expense recognized during the period for achievement of a milestone.

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The amount of liability accrued for non-royalty sublicense fees owed to licensor.

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The amount of expense incurred for non-royalty sublicense fees owed to licensor.

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The amount paid during the period for non-royalty sublicense fees.

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Number of shares issued to satisfy success payment obligation.

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The amount of success payment due as part of a license agreement.

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The amount of success payments payable upon achievement of specified stock value targets.

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- Definition

The valuation multiple applied to the initial weighted average of the specified class of stock, used to determine success payment targets.

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Description of nature and purpose of collaborative arrangements.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 808
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=6931272&loc=SL5834143-161434

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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License Agreements - Broad License Agreement - Additional Information (Details) - Broad Institute		3 Months Ended		9 Months Ended
	Jun. 10, 2021 shares	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	May 31, 2021 USD ($)
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Non-royalty sublicense fees accrued		$ 0		$ 0
Success payment amount due		0		0		$ 15,000,000.0
Issuance of common stock for success payment liability, Shares \| shares	174,825
Milestone expense		0	$ 0	0	$ 0
Non-royalty sublicense fees paid				6,100,000
Non-royalty sublicense fees owed		$ 0	$ 0	$ 0	$ 0
Success Payments
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Agreement description				The Company is required to make success payments to Broad Institute during a period of time, or the Broad Success Payment Period, which has been determined to be the earliest of (1) the twelfth anniversary of the Broad License Agreement or (2) the third anniversary of the first date on which a licensed product receives regulatory approval in the United States. During the Broad Success Payment Period and beginning one year after the Company’s IPO, the Company will perform a calculation of any amounts owed to Broad Institute on each rolling 90-day period.
Minimum
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Success payments				$ 5,000,000.0
Minimum \| Series A Preferred Stock
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Success Payments, valuation multiples				5
Maximum
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Success payments				$ 105,000,000.0
Additional success payment amount due						$ 90,000,000.0
Maximum \| Series A Preferred Stock
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]
Success Payments, valuation multiples				40