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Development Liability - Additional Information (Detail) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended 8 Months Ended
May 13, 2024
May 31, 2024
Jun. 30, 2024
Mar. 31, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Jan. 31, 2020
Dec. 31, 2021
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]                  
Proceeds from credit facility           $ 365,454      
Loss on extinguishment of development liability     $ 1,949     1,949      
Interest expense     9,359   $ 7,341 16,326 $ 14,869    
Sixth Financing Agreement [Member]                  
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]                  
Proceeds from credit facility $ 326,500 $ 326,500              
SFJ Agreement [Member]                  
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]                  
Proceeds from SFJ agreement               $ 140,000  
Payment made under agreement       $ 94,000          
Loss on extinguishment of development liability           1,900      
Interest expense     2,900   $ 6,500 8,900 $ 13,100    
Development liability reacquisition price     326,500     326,500      
Development liability carrying value     $ 324,600     $ 324,600      
SFJ Agreement [Member] | Regulatory Approval Granted US Food and Drug Administration [Member]                  
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]                  
Obligated to pay initial payment                 $ 460,000