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Development Liability - Additional Information (Detail)
$ in Thousands
 1 Months Ended 3 Months Ended 8 Months Ended
Feb. 28, 2019
USD ($)
Installment
Dec. 31, 2024
USD ($)
May 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
May 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
May 31, 2022
USD ($)
Jan. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Installment
Jun. 30, 2021
USD ($)
Mar. 31, 2024
USD ($)
Mar. 31, 2023
USD ($)
Jan. 31, 2020
USD ($)
Jun. 30, 2019
USD ($)
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]                            
Interest expense                     $ 6,967 $ 7,529    
SFJ Agreement [Member]                            
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]                            
Proceeds from SFJ agreement $ 60,000                          
Additional funding amount upon achievement of development milestones $ 60,000                          
Number of milestone payments | Installment 3                          
Development funding for minimum period of operating expense 10 months                          
Increase in additional funding for development costs                           $ 20,000
Obligated to pay initial payment                 $ 5,000   366,000      
Aggregate amount of additional annual payments                 $ 225,000          
Number of additional annual payments | Installment                 6          
Payment made under agreement               $ 5,000   $ 4,000 94,000   $ 80,000  
First annual payment under agreement           $ 18,000 $ 11,500              
Second annual payment under agreement       $ 31,000 $ 24,500                  
Interest expense                     $ 6,100 $ 6,600    
SFJ Agreement [Member] | Forecast [Member]                            
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]                            
Payment made under agreement   $ 61,300 $ 37,500                      
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 $ 4,000                          
Aggregate amount of additional annual payments $ 226,000                          
Number of additional annual payments | Installment 6