Accrued Expenses and Other Current Liabilities - Schedule of Provision for Discounts and Allowances for Commercial Product Sales (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Discounts and allowances for commercial product sales:
Beginning balance	$ 8,504	$ 4,227
Provisions	34,980	23,369
Deductions	(33,943)	(20,603)
V-Go opening balance sheet		1,511
Ending balance	$ 9,541	$ 8,504