v3.26.3
Lease Agreements - Additional Information (Details)
 1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
May 31, 2026
USD ($)
Apr. 10, 2026
USD ($)
Apr. 30, 2026
USD ($)
ft²
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Nov. 30, 2024
USD ($)
ft²
Lessee, Lease, Description [Line Items]                    
Lease cost       $ 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      
Variable lease cost       400,000 600,000 1,100,000 1,000,000      
Cash paid for operating leases           13,400,000 100,000 $ 2,600,000    
Operating lease term               8 years 9 months 18 days 9 years 9 months 18 days  
Discount rate of operating lease               8.30% 8.30%  
Payments to landlord on lease termination       (10,000,000)   (10,000,000)        
Security Deposit       500   500        
Long-Lived Asset, Held and Used, Impairment Loss           1,625,000 0      
Payments for Rent           2,900,000        
Short-Term Lease, Cost       $ 46,000 $ 0 $ 46,000 $ 0      
2024 Lease                    
Lessee, Lease, Description [Line Items]                    
Area of square feet | ft²                   80,168
Operating lease term       120 months   120 months        
Right to extend the term       60 months   60 months        
Restricted cash deposit used as collateral for letter of credit     $ 500,000 $ 0   $ 0       $ 600,000
Estimated incremental borrowing rate       8.30%   8.30%       8.30%
Lease expiration date     Oct. 31, 2034              
Lease cost               $ 9,600,000 $ 4,000,000  
Operating lease cost               7,300,000 3,600,000  
Variable lease cost               $ 2,300,000 $ 400,000  
Operating lease term               8 years 9 months 18 days    
Discount rate of operating lease               8.30%    
Reduction In Lease Expiration Period     100 months              
Payments to landlord on lease termination   $ 10,000,000   $ 10,000,000   $ 10,000,000        
Security Deposit   500,000                
Aggregate Payments Made To Landlord On Lease Termination $ 10,500,000 $ 10,500,000                
Lease Modification Operating Lease Liability       $ 11,700,000   11,700,000        
Lease Modification Operating Lease Cost WindDown 6,200,000                  
Long-Lived Asset, Held and Used, Impairment Loss           $ 1,600,000        
Long-Lived Asset, Held and Used, Impairment Loss, Statement of Income or Comprehensive Income [Extensible Enumeration]           Operating Expenses        
Repayment Related To Lease Termination           $ 11,200,000        
Payments for Rent           $ 1,200,000        
Lessee, Operating Lease, Term of Contract       120 months   120 months        
Operating Lease, Liability       $ 0   $ 0   $ 49,035,000    
2024 Lease | Furniture and Fixtures [Member]                    
Lessee, Lease, Description [Line Items]                    
Long-Lived Asset, Held and Used, Impairment Loss           1,400,000        
2024 Lease | Laboratory Equipment [Member]                    
Lessee, Lease, Description [Line Items]                    
Long-Lived Asset, Held and Used, Impairment Loss           200,000        
2024 Lease | Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense                    
Lessee, Lease, Description [Line Items]                    
Long-Lived Asset, Held and Used, Impairment Loss           500,000        
2024 Lease | Location, Statement of Income, Balance [Axis]: us-gaap:OperatingExpenses | Leasehold Improvements [Member]                    
Lessee, Lease, Description [Line Items]                    
Depreciation $ 800         800,000        
2024 Lease | Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense                    
Lessee, Lease, Description [Line Items]                    
Long-Lived Asset, Held and Used, Impairment Loss           1,100,000        
2026 Lease                    
Lessee, Lease, Description [Line Items]                    
Area of square feet | ft²     10,822              
Operating lease term   12 months 12 months              
Security Deposit     $ 77,000              
Payments for Rent     $ 56,000              
Lessee, Operating Lease, Term of Contract   12 months 12 months              
Operating Lease, Liability       $ 0   $ 0