v3.26.1
Segment Information - Schedule of Segment Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting [Line Items]            
Product revenue, net $ 364,252   $ 212,802   $ 675,589 $ 350,052
Stock-based compensation (35,371)   (25,159)   (69,389) (46,090)
Net loss (57,939) $ (94,391) (42,281) $ (73,238) (152,330) (115,519)
Location, Statement of Income, Balance [Axis]: us-gaap:OperatingCostsAndExpenses            
Segment Reporting [Line Items]            
Stock-based compensation (129)   0   (225) 0
Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost            
Segment Reporting [Line Items]            
Stock-based compensation (6,860)   (5,354)   (14,725) (10,569)
Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense            
Segment Reporting [Line Items]            
Stock-based compensation (28,382)   (19,805)   (54,439) (35,521)
Reportable Segment            
Segment Reporting [Line Items]            
Product revenue, net 364,252   212,802   675,589 350,052
Cost of sales (40,007)   (9,065)   (66,854) (13,578)
Other segment (expense) income (1,631)   4,921   (3,299) 10,994
Net loss (57,939)   (42,281)   (152,330) (115,519)
Reportable Segment | Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpenseExcludingAcquiredInProcessCost            
Segment Reporting [Line Items]            
Compensation and benefit-related expenses (14,991)   (8,469)   (30,088) (17,504)
Stock-based compensation (6,860)   (5,354)   (14,725) (10,569)
Professional fees and other external expenses (67,841)   (38,602)   (152,388) (67,399)
Facility related and other internal expenses (1,486)   (1,656)   (2,669) (2,781)
Reportable Segment | Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense            
Segment Reporting [Line Items]            
Compensation and benefit-related expenses (80,321)   (52,504)   (163,926) (100,865)
Stock-based compensation (28,382)   (19,805)   (54,439) (35,521)
Professional fees and other external expenses (148,996)   (109,841)   (280,248) (197,855)
Facility related and other internal expenses $ (31,676)   $ (14,708)   $ (59,283) $ (30,493)