v3.26.1
Leases - Additional Information (Detail)
3 Months Ended 6 Months Ended
Jan. 23, 2023
ft²
Jun. 30, 2026
USD ($)
Mar. 31, 2025
USD ($)
ft²
Jun. 30, 2024
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Feb. 13, 2026
ft²
Dec. 31, 2025
USD ($)
Disclosure Of Leases [Line Items]                
Lease liabilities   $ 22,367,000     $ 22,367,000     $ 22,794,000
Operating lease weighted average remaining lease term   11 years 4 months 24 days     11 years 4 months 24 days 11 years 9 months 18 days    
Operating lease weighted average discount rate   11.69%     11.69% 11.75%    
Operating lease payments         $ 1,200,000 $ 1,600,000    
Fifth Amendment Lease [Member]                
Disclosure Of Leases [Line Items]                
Increase in lease liabilities     $ 900          
Increase in right-of-use assets     $ 900          
Watertown, Massachusetts [Member]                
Disclosure Of Leases [Line Items]                
Increase in lease liabilities   $ 600,000            
Increase in right-of-use assets   $ 600,000            
Area of property covered | ft²             10,675  
Watertown, Massachusetts [Member] | Fifth Amendment Lease [Member]                
Disclosure Of Leases [Line Items]                
Lease term expiration date     May 31, 2028          
Area of property covered | ft²     8,383          
Massachusetts [Member]                
Disclosure Of Leases [Line Items]                
Lease description The lease term, under ASC 842, commenced during the second quarter of 2024. The Company entered into an amendment to the Northbridge Lease, effective September 30, 2024. Pursuant to the amendment, the Company's obligation to pay base rent began on March 1, 2025.              
Increase in lease liabilities       $ 17,700,000        
Increase in right-of-use assets       $ 17,900,000        
Massachusetts [Member] | New Premises [Member]                
Disclosure Of Leases [Line Items]                
Original lease term 15 years 4 months              
Lease renewal rate at 95% of market rent at time of renewal 95.00%              
Massachusetts [Member] | Minimum [Member] | New Premises [Member]                
Disclosure Of Leases [Line Items]                
Additional lease renewal option period 5 years              
Massachusetts [Member] | Maximum [Member] | New Premises [Member]                
Disclosure Of Leases [Line Items]                
Additional lease renewal option period 10 years              
Northbridge, Massachusetts [Member] | New Premises [Member]                
Disclosure Of Leases [Line Items]                
Lease option to extend The lease includes a non-cancellable lease term of fifteen years and four months, with two options to extend the lease term for two additional terms of either five years or ten years at 95% of the then-prevailing fair market rent.              
Area of property covered | ft² 41,141