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Agreements with Horizon - Additional Information (Detail) - Horizon collaboration agreement [Member] - USD ($)
$ in Millions
 1 Months Ended 12 Months Ended
Aug. 12, 2022
Oct. 31, 2023
Dec. 31, 2023
Dec. 31, 2022
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Collaboration agreement, transaction price $ 55.0   $ 55.0 $ 55.0
Collaboration agreement, Aggregate amount of sales milestone   $ 75.1    
Transaction price to be determined     55.0  
Received amount from Horizon       32.5
Collaboration agreement revenue       $ 6.7
Amount retained     55.0  
Collaboration agreement, contingent payment     75.1  
Refund liability     55.0  
Sales-based milestone [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Collaboration agreement, contingent payment     75.1  
Collaboration agreement, contingent payment payable excess of cash received     $ 20.1