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Commitments and Contingencies - Additional Information (Detail)
$ in Thousands
1 Months Ended 4 Months Ended 12 Months Ended
Dec. 31, 2021
USD ($)
ft²
Dec. 31, 2019
USD ($)
shares
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2021
USD ($)
ft²
Jul. 31, 2024
USD ($)
Sep. 30, 2019
USD ($)
Commitment And Contingencies [Line Items]              
Lease expiration date         Dec. 31, 2031    
Operating lease liability, current     $ 693 $ 612      
Research and development expenses     19,156 48,143      
Executive insurance reserve     5,000        
License Agreement With The University Of Colorado [Member]              
Commitment And Contingencies [Line Items]              
Development and sales milestone payment payable     $ 2,200        
Percentage of sublicense fees     15.00%        
Period of obligation to pay royalties     20 years        
Research and development expenses     $ 0 $ 0      
License Agreement With Bristol Mayers Equib Company [Member]              
Commitment And Contingencies [Line Items]              
Percentage of sublicense fees   60.00%          
Period of obligation to pay royalties   12 years          
Upfront payment made   $ 8,000          
Commercial milestone payment payable             $ 215,000
Royalty as a percentage of sales   10.00%          
Development Milestone Payment Payable           $ 4,000  
License Agreement With Bristol Mayers Equib Company [Member] | Maximum [Member] | Tranche Three [Member]              
Commitment And Contingencies [Line Items]              
Development and sales milestone payment payable             49,000
License Agreement With Bristol Mayers Equib Company [Member] | Minimum [Member] | Tranche Three [Member]              
Commitment And Contingencies [Line Items]              
Development and sales milestone payment payable             $ 32,000
License Agreement With Bristol Mayers Equib Company [Member] | Series A Redeemable Preferred Stock [Member]              
Commitment And Contingencies [Line Items]              
Stock issued during period shares purchase of assets | shares   318,278          
Waltham Massauchets [Member]              
Commitment And Contingencies [Line Items]              
Office space leased | ft² 15,000       15,000    
Lessee, operating lease, lease not yet commenced, renewal term 5 years       5 years    
Sublease aggregate base rent obligation $ 1,000       $ 1,000    
Percentage increase in initial annual base rent per square foot. 3.00%            
Annual Rent Operating lease Aggregate After Increase $ 11,100            
Security deposit     $ 600        
Operating lease weighted average remaining lease term     6 years        
Operating lease weighted average discount rate     7.50%        
Future minimum lease payment due under this sublease     $ 1,000        
Waltham Massauchets [Member] | Restricted Cash And Cash Equivalents Non Current [Member]              
Commitment And Contingencies [Line Items]              
Lessee tenant improvement allowance     $ 400