v3.26.1
Lease Agreements - Additional Information (Details)
 1 Months Ended 3 Months Ended 6 Months Ended
May 31, 2026
USD ($)
Apr. 10, 2026
USD ($)
Apr. 30, 2026
USD ($)
ft²
Jun. 30, 2026
USD ($)
ft²
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
ft²
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Lessee, Lease, Description [Line Items]                
Lease termination effective date           May 31, 2026    
Lease expense       $ 6,700,000 $ 2,400,000 $ 9,200,000 $ 4,700,000  
Operating lease cost       6,200,000 1,800,000 8,100,000 3,700,000  
Short-term lease cost       46,000 0 46,000 0  
Variable lease cost       400,000 600,000 1,100,000 1,000,000  
Cash paid for operating leases           13,400,000 100,000  
Payment to landlord on lease termination       10,000,000   10,000,000    
Security deposit       500,000   500,000    
Impairment of property and equipment         $ 0 1,625,000 $ 0  
Base rent payment           2,900,000    
Operating lease ROU assets       $ 0   $ 0   $ 43,659,000
2024 Lease                
Lessee, Lease, Description [Line Items]                
Lease termination effective date     May 31, 2026          
Operating lease term       120 months   120 months    
Estimated incremental borrowing rate       8.30%   8.30%    
Area of Square Feet | ft²       80,168   80,168    
Right to extend the term       60 months   60 months    
Restricted cash deposit used as collateral for letter of credit     $ 500,000 $ 0   $ 0    
Operating lease term               8 years 9 months 18 days
Lease expiration date     Oct. 31, 2034          
Reduction in lease expiration period     100 months          
Payment to landlord on lease termination   $ 10,000,000   10,000,000   10,000,000    
Security deposit   500,000            
Lease modification, operating lease liability $ 11,700,000              
Aggregate payments made to landlord on lease termination 10,500,000 $ 10,500,000            
Lease modification, operating lease cost wind-down 6,200,000              
Impairment of property and equipment       $ 1,600,000   $ 1,600,000    
Long-Lived Asset, Held and Used, Impairment Loss, Statement of Income or Comprehensive Income [Extensible Enumeration]       Operating Expenses   Operating Expenses    
Cash outflows related to early termination and wind-down           $ 11,200,000    
Base rent payment           1,200,000    
Operating lease ROU assets       $ 0   0    
Operating lease liabilities       0   0   $ 49,000,000
Discount rate of operating lease               8.30%
2024 Lease | Furniture and Fixtures                
Lessee, Lease, Description [Line Items]                
Impairment of property and equipment       $ 1,400,000   $ 1,400,000    
Long-Lived Asset, Held and Used, Impairment Loss, Statement of Income or Comprehensive Income [Extensible Enumeration]       Operating Expenses   Operating Expenses    
2024 Lease | Laboratory Equipment                
Lessee, Lease, Description [Line Items]                
Impairment of property and equipment       $ 200,000   $ 200,000    
Long-Lived Asset, Held and Used, Impairment Loss, Statement of Income or Comprehensive Income [Extensible Enumeration]       Operating Expenses   Operating Expenses    
2026 Lease                
Lessee, Lease, Description [Line Items]                
Operating lease term     12 months          
Area of Square Feet | ft²     10,822          
Security deposit     $ 77,000          
Base rent payment     $ 56,000          
Operating lease ROU assets       $ 0   $ 0    
Operating lease liabilities       0   0    
Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense | 2024 Lease                
Lessee, Lease, Description [Line Items]                
Impairment of property and equipment       500,000   500,000    
Location, Statement of Income, Balance [Axis]: us-gaap:OperatingExpenses | 2024 Lease | Leasehold Improvements                
Lessee, Lease, Description [Line Items]                
Accelerated depreciation $ 800,000     800,000   800,000    
Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense | 2024 Lease                
Lessee, Lease, Description [Line Items]                
Impairment of property and equipment       $ 1,100,000   $ 1,100,000