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Revenue Recognition - Summary of Product Revenue Allowance and Reserve Categories (Detail) - HEPLISAV-B $ in Thousands	9 Months Ended
	Sep. 30, 2024 USD ($)
Accounts receivable reserves
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	$ 7,011
Provisions related to current period sales	57,494
Credit or payments made during the period	(53,716)
Adjustments related to prior periods	(10)
Balance at End of Period	10,779
Revenue Reserve Accruals
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	21,004
Provisions related to current period sales	43,507
Credit or payments made during the period	(32,385)
Adjustments related to prior periods	(871)
Balance at End of Period	$ 31,255