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Collaboration Agreement - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 12 Months Ended
Jul. 31, 2020
Dec. 31, 2021
Dec. 31, 2020
Dec. 17, 2021
Jun. 30, 2020
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]          
Revenue from collaborative arrangement   $ 8,044 $ 6,896    
Class C Preferred Units          
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]          
Stock price per share         $ 4.0008
License And Research Collaboration Agreement | Merck          
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]          
Upfront payments received $ 15,000        
Collaborative arrangement, milestone payments receivable       $ 5,000  
Deferred revenue additions 15,000 5,000      
Revenue remaining performance obligation   100      
Revenue from collaborative arrangement   $ 8,000      
License And Research Collaboration Agreement | Merck | Class C Preferred Units          
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]          
Stock price per share         $ 4.0008
License And Research Collaboration Agreement | Merck | Research and Development | Maximum [Member]          
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]          
Collaborative arrangement, milestone payments receivable 280,000        
License And Research Collaboration Agreement | Merck | Sales Based | Maximum [Member]          
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]          
Collaborative arrangement, milestone payments receivable $ 250,000