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Related Party Transactions - Additional Information (Details) | 1 Months Ended | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Oct. 31, 2020 USD ($) | Feb. 29, 2020 shares | Jun. 30, 2021 USD ($) | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) Founder | Jun. 30, 2020 USD ($)
Related Party Transaction [Line Items] |  |  |  |  |  |
Number of founder shareholders | Founder |  |  |  |  | 3 |
Equity securities recognition amount |  |  | $ 25,814,000 | $ 517,000 | $ 26,852,000 | $ 517,000
Founder Shareholders | Scientific Consulting and Other Expenses |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Payments made to related parties |  |  |  |  | 200,000 | 100,000
Verve Therapeutics, Inc. |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Equity securities recognition amount |  |  | 25,800,000 |  | 26,900,000 |
Equity securities |  |  | $ 29,300,000 |  | 29,300,000 |
Verve Therapeutics, Inc. | Common Stock |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Number of shares purchased under equity method | shares |  | 546,970 |  |  |  |
Verve Therapeutics, Inc. | Research and Development Expense |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Purchases from related party |  |  |  |  | 200,000 |
Verve Therapeutics, Inc. | Series A Preferred Stock Shares |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Purchases from related party |  |  |  |  |  | $ 800,000
Reimbursed Costs | Prime Agreement | Interest and Other Income (Expense), Net | Prime Medicine Inc |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |
Income from related party | $ 30,000 |  |  |  | $ 100,000 |

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