Product Revenue, Accounts Receivable and Reserves for Product Sales - Schedule of Product Revenue by Region (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2026	Mar. 31, 2025
Disaggregation of Revenue [Line Items]
Product revenue, net	$ 116,357	$ 88,183
United States
Disaggregation of Revenue [Line Items]
Product revenue, net	87,489	88,183
Europe
Disaggregation of Revenue [Line Items]
Product revenue, net	20,677	0
Japan
Disaggregation of Revenue [Line Items]
Product revenue, net	$ 8,191	$ 0

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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