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Revenue Recognition - Summary of Product Revenue Allowance and Reserve Categories (Detail) - HEPLISAV-B - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Accounts Receivable Reserves |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |
Balance at Beginning of Period | $ 7,011 | $ 8,179
Provisions related to current period sales | 74,147 | 55,604
Credit or payments made during the period | (71,831) | (54,143)
Adjustments related to prior periods | (10) | (2,629)
Balance at End of Period | 9,317 | 7,011
Revenue Reserve Accruals |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |
Balance at Beginning of Period | 21,004 | 10,552
Provisions related to current period sales | 55,052 | 46,062
Credit or payments made during the period | (43,310) | (38,207)
Adjustments related to prior periods | (1,267) | 2,597
Balance at End of Period | $ 31,479 | $ 21,004

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