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Revenue Recognition - Summary of Product Revenue Allowance and Reserve Categories (Detail) - HEPLISAV-B - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Accounts Receivable Reserves    
Valuation And Qualifying Accounts Disclosure [Line Items]    
Balance at beginning of period [1] $ 8,179 $ 3,823
Provisions related to current period sales [1] 55,604 34,758
Credit or payments made during the period [1] (54,143) (30,402)
Adjustments related to prior periods [1] (2,629) 0
Balance at end of period [1] 7,011 8,179
Revenue Reserve Accruals    
Valuation And Qualifying Accounts Disclosure [Line Items]    
Balance at beginning of period [2] 10,552 8,253
Provisions related to current period sales [2] 46,062 24,806
Credit or payments made during the period [2] (38,207) (22,507)
Adjustments related to prior periods [2] 2,597 0
Balance at end of period [2] $ 21,004 $ 10,552
[1] Reserves are for chargebacks, discounts and other fees
[2] Accruals are for returns, rebates and other fees