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Leases - Additional Information (Detail)
 1 Months Ended 12 Months Ended
Aug. 17, 2021
USD ($)
May 31, 2023
USD ($)
ft²
Aug. 31, 2022
USD ($)
Feb. 28, 2021
Sep. 30, 2016
ft²
Dec. 31, 2015
ft²
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Lessee Lease Description [Line Items]                
Lease option to extend               true
Lease option to termination               true
Right-of-use asset, net             $ 1,487,000 $ 1,039,000
Operating lease liabilities             $ 1,613,000  
Operating lease discount rate             14.00%  
Operating lease expense             $ 743,000  
Lease payments             924,000  
Future minimum lease payments under capital leases             $ 25,864,000 $ 22,441,000
Waltham, Massachusetts [Member]                
Lessee Lease Description [Line Items]                
Operating lease term of contract         5 years      
Area of leased property | ft²         12,207      
Lease Commencement Date Mar. 01, 2022       Mar. 01, 2017      
Remaining lease term             14 months  
Lease payments $ 1,600,000              
Lessee, Operating Lease, Option to Extend             On August 17, 2021, the Company signed a 36-month extension to the lease for the Waltham, MA office with aggregate payments of $1.6 million, with a lease commencement date of March 1, 2022.  
New York [Member]                
Lessee Lease Description [Line Items]                
Operating lease term of contract   27 months 36 years 18 months   62 months    
Area of leased property | ft²   12,217       4,039    
Lease Commencement Date   Jun. 01, 2023 Sep. 01, 2022 Mar. 01, 2021   Jan. 01, 2016    
Remaining lease term             20 years  
Lease payments   $ 1,600,000 $ 689,000