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Leases - Additional Information (Details)
$ in Thousands
1 Months Ended 3 Months Ended
Jul. 31, 2023
USD ($)
Dec. 31, 2023
USD ($)
ft²
May 31, 2022
USD ($)
ft²
Mar. 31, 2024
USD ($)
Mar. 31, 2023
USD ($)
Lessee Lease Description [Line Items]          
Restricted cash   $ 1,392   $ 1,992  
Lessee, Operating Lease, Option to Extend     one additional five-year term    
Operating lease cost       $ 1,859 $ 444
Watertown Lease          
Lessee Lease Description [Line Items]          
Extended lease term 2027-04        
Lessee, Operating Lease, Existence of Option to Extend [true false]       true  
Office and Laboratory | Waltham Lease          
Lessee Lease Description [Line Items]          
Initial base rent     $ 2,200    
Area of property | ft²     29,000    
Percentage of annual rent increment     3.00%    
Office and Laboratory | Waltham Sublease          
Lessee Lease Description [Line Items]          
Initial base rent   $ 1,800      
Area of property | ft²   24,000      
Percentage of annual rent increment   3.00%      
Certificate of Deposits | Watertown Lease          
Lessee Lease Description [Line Items]          
Restricted cash $ 300        
Letter of Credit | Watertown Lease          
Lessee Lease Description [Line Items]          
Restricted cash $ 300        
Letter of Credit | Waltham Lease          
Lessee Lease Description [Line Items]          
Restricted cash     $ 1,100    
Letter of Credit | Waltham Sublease          
Lessee Lease Description [Line Items]          
Restricted cash   $ 600