v3.25.4
Liability Related to the Sale of Future Royalties - Summary of the Liability Related to the Sale of Future Royalties (Detail) - Sale Of Future Royalties [Member] - OMERS Royalty Purchase Agreement [Member]
$ in Thousands
3 Months Ended
Dec. 31, 2025
USD ($)
Nonmonetary Transaction [Line Items]  
Royalty liability - beginning balance $ 141,842
Royalty payable to purchaser (10,122)
Interest expense 3,083
Royalty liability - ending balance $ 134,803