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Revenue Recognition - Summary of Product Revenue Allowance and Reserve Categories (Detail) - HEPLISAV-B
$ in Thousands
 9 Months Ended
Sep. 30, 2023
USD ($)
SEC Schedule, 12-09, Allowance, Notes Receivable [Member]  
Valuation And Qualifying Accounts Disclosure [Line Items]  
Balance at Beginning of Period $ 8,179 [1]
Provisions related to current period sales 42,949 [1]
Credit or payments made during the period (40,186) [1]
Adjustments related to prior periods (2,629) [1]
Balance at End of Period 8,313 [1]
Revenue Reserve Accruals [Member]  
Valuation And Qualifying Accounts Disclosure [Line Items]  
Balance at Beginning of Period 10,552 [2]
Provisions related to current period sales 34,848 [2]
Credit or payments made during the period (27,528) [2]
Adjustments related to prior periods 2,297 [2]
Balance at End of Period $ 20,169 [2]
[1] Reserves are for chargebacks, discounts and other fees.
[2] Accruals are for returns, rebates and other fees.