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License Agreement - Additional Information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 03, 2021
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Akebia Research License Agreement [Member]          
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]          
Up Front Payment Received $ 3,000        
Additional milestone cash payment $ 585,000        
Akebia Supply Agreement [Member]          
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]          
Revenues   $ 0 $ 0 $ 0 $ 0