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Related Party Transactions - Additional Information (Detail) - USD ($)
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Dec. 31, 2023
Related Party Transaction [Line Items]      
Research and development fees $ 2,182,000 $ 2,635,000  
Related Party | G N I      
Related Party Transaction [Line Items]      
Research and development fees 0 $ 0  
Other Receivables 1,300,000   $ 1,300,000
Related Party | G N I | CPI contribution      
Related Party Transaction [Line Items]      
Other Receivables 800,000    
Related Party | G N I | Gyre      
Related Party Transaction [Line Items]      
Other Receivables 500,000    
Related Party | F351 Agreement | G N I      
Related Party Transaction [Line Items]      
Due to related parties $ 1,400,000   $ 1,400,000