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Revenue Recognition - Summary of Product Revenue Allowance and Reserve Categories (Detail) - HEPLISAV-B
$ in Thousands
 6 Months Ended
Jun. 30, 2024
USD ($)
Accounts receivable reserves  
Valuation And Qualifying Accounts Disclosure [Line Items]  
Balance at Beginning of Period $ 7,011 [1]
Provisions related to current period sales 34,615 [1]
Credit or payments made during the period (32,498) [1]
Adjustments related to prior periods 0 [1]
Balance at End of Period 9,128 [1]
Revenue Reserve Accruals [Member]  
Valuation And Qualifying Accounts Disclosure [Line Items]  
Balance at Beginning of Period 21,004 [2]
Provisions related to current period sales 26,626 [2]
Credit or payments made during the period (18,022) [2]
Adjustments related to prior periods (709) [2]
Balance at End of Period $ 28,899 [2]
[1] Reserves are for chargebacks, discounts and other fees.
[2] Accruals are for returns, rebates and other fees.