v3.26.3
Leases - Summary Of Lease Costs Are Reflected In The Statements Of Operations And Comprehensive Loss (Detail) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Disclosure Of Lease Costs Are Reflected In The Statements Of Operations And Comprehensive Loss [Line Items]        
Total operating lease cost [1] $ 5,558 $ 2,432 $ 13,646 $ 4,322
Location, Statement of Income, Balance [Axis]: us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization        
Disclosure Of Lease Costs Are Reflected In The Statements Of Operations And Comprehensive Loss [Line Items]        
Total operating lease cost 1,271 520 3,161 785
Location, Statement of Income, Balance [Axis]: us-gaap:GeneralAndAdministrativeExpense        
Disclosure Of Lease Costs Are Reflected In The Statements Of Operations And Comprehensive Loss [Line Items]        
Total operating lease cost 886 1,243 1,666 1,454
Location, Statement of Income, Balance [Axis]: us-gaap:ResearchAndDevelopmentExpense        
Disclosure Of Lease Costs Are Reflected In The Statements Of Operations And Comprehensive Loss [Line Items]        
Total operating lease cost 3,082 614 8,035 1,793
Location, Statement of Income, Balance [Axis]: us-gaap:SellingAndMarketingExpense        
Disclosure Of Lease Costs Are Reflected In The Statements Of Operations And Comprehensive Loss [Line Items]        
Total operating lease cost $ 319 $ 55 $ 784 $ 290
[1] The operating lease costs are reflected in the condensed consolidated statements of operations as follows (in thousands):