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Related Parties - Additional Information (Details) - USD ($)
 1 Months Ended 12 Months Ended
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2023
Related Party Transaction [Line Items]      
Cash proceeds on shares issued   $ 74,942,000 $ 74,521,000
Third Rock Ventures | Series B Preferred Stock      
Related Party Transaction [Line Items]      
Issuance of Series B Convertible Preferred Stock( in shares)   12,400,000 12,400,000
Cash proceeds on shares issued   $ 15,300,000 $ 15,200,000
Third Rock Ventures | Related Party      
Related Party Transaction [Line Items]      
General and administrative expenses   300,000 300,000
Outstanding accounts payable $ 0 0 100,000
Consulting services 9,500    
Accrued expenses and other current liabilities $ 100,000 100,000 0
Third Rock Ventures | Interim Chief Medical Officer      
Related Party Transaction [Line Items]      
Total fees   $ 200,000 $ 200,000
Options to purchase 23,227 23,227 26,712
Exercise price $ 2.76 $ 2.76  
RA Capital | Series B Preferred Stock      
Related Party Transaction [Line Items]      
Issuance of Series B Convertible Preferred Stock( in shares)   12,200,000 12,200,000
Cash proceeds on shares issued   $ 15,000,000 $ 15,000,000
Samsara BioCapital | Series B Preferred Stock      
Related Party Transaction [Line Items]      
Issuance of Series B Convertible Preferred Stock( in shares)   4,300,000 4,300,000
Cash proceeds on shares issued   $ 5,200,000 $ 5,200,000