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Revenues - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Disaggregation of Revenue [Line Items]          
Revenue increase (decrease), gross-to-net accruals $ (10,700) $ 4,900 $ (19,200) $ (8,100)  
Allowances for prompt payment discounts, product returns and chargebacks 4,000   4,000   $ 2,000
Accrued rebates, co-payment assistance and other fees 55,671   55,671   46,838
Accrued Rebates, Co-payment Assistance and Other Fees          
Disaggregation of Revenue [Line Items]          
Accrued rebates, co-payment assistance and other fees $ 9,800   $ 9,800   $ 6,300