Quarterly report pursuant to Section 13 or 15(d)

Leases - Additional Information (Detail)

v3.22.1
Leases - Additional Information (Detail)
$ in Millions
3 Months Ended 12 Months Ended
Apr. 01, 2022
Nov. 30, 2020
ft²
Jul. 31, 2019
Aug. 31, 2017
Jun. 30, 2017
Mar. 31, 2022
USD ($)
Dec. 31, 2021
ft²
Mar. 31, 2019
ft²
Jan. 31, 2017
ft²
Lessee, Lease, Description [Line Items]                  
Operating lease, rent expense           $ 0.4      
Annual rent increase percentage           3.00%      
Rent expense under the operating lease agreements           $ 0.6      
Watertown, Massachusetts [Member]                  
Lessee, Lease, Description [Line Items]                  
Rentable area | ft²   36,291             32,000
Operating lease, expiration date   Jul. 31, 2028   Jan. 31, 2024 Aug. 01, 2023        
Operating leases option to extend description   option to extend for 2 additional periods of 5 years              
Billerica, Massachusetts [Member]                  
Lessee, Lease, Description [Line Items]                  
Rentable area | ft²             21,902 25,000  
Operating lease, expiration date     Jul. 01, 2026            
Lease maturity date             May 31, 2029    
Operating leases option to extend description     option to extend for 2 additional periods of 5 years each            
Undiscounted future minimum rent obligation           2.6      
Waltham, Massachusetts [Member]                  
Lessee, Lease, Description [Line Items]                  
Rentable area | ft²             120,681    
Operating lease, rent expense           4.8      
Security deposit           0.8      
Undiscounted future minimum rent obligation           $ 49.3      
Waltham, Massachusetts [Member] | Subsequent Events                  
Lessee, Lease, Description [Line Items]                  
Operating lease, expiration date Sep. 30, 2031