Quarterly report [Sections 13 or 15(d)]

Commitments and Contingencies - Additional Information (Detail)

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Commitments and Contingencies - Additional Information (Detail) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended
Dec. 31, 2015
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Commitments And Contingencies [Line Items]        
Operating lease rent expense   $ 1,712 $ 1,698  
Sub-lease income   30 36  
Operating lease rent expense, net   1,682    
Finance lease obligation   230   $ 262
Depreciation expense   458 414  
Finance Lease Assets        
Commitments And Contingencies [Line Items]        
Depreciation expense   32 33  
Office Space | New York City        
Commitments And Contingencies [Line Items]        
Operating lease rent expense, net $ 420      
Lease commencement date Oct. 01, 2017      
Lease expiration date Sep. 30, 2028      
Number of rent free periods 12 months      
Payments for tenant improvements $ 2,080      
Office Equipment        
Commitments And Contingencies [Line Items]        
Finance lease obligation   230   262
Letter of Credit        
Commitments And Contingencies [Line Items]        
Refundable security deposit   506   $ 506
Letter of Credit | Boston landlord        
Commitments And Contingencies [Line Items]        
Refundable security deposit   $ 80    
General and administrative        
Commitments And Contingencies [Line Items]        
Operating lease rent expense, net     $ 1,662