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Revenue Recognition - Summary of Product Revenue Allowance and Reserve Categories (Detail) - HEPLISAV-B
$ in Thousands
 3 Months Ended
Mar. 31, 2023
USD ($)
Accounts receivable reserves  
Valuation And Qualifying Accounts Disclosure [Line Items]  
Balance at Beginning of Period $ 8,179 [1]
Provisions related to current period sales 11,821 [1]
Credit or payments made during the period (10,686) [1]
Product Revenue Allowance And Reserves Adjustments Related To Prior Period (198) [1]
Balance at End of Period 9,116 [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 9,700 [2]
Credit or payments made during the period (8,040) [2]
Product Revenue Allowance And Reserves Adjustments Related To Prior Period 490 [2]
Balance at End of Period $ 12,702 [2]
[1] Reserves are for chargebacks, discounts and other fees.
[2] Accruals are for returns, rebates and other fees.