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Revenue Recognition - Summary of Product Revenue Allowance and Reserve Categories (Detail) - HEPLISAV-B $ in Thousands | 3 Months Ended
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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.

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