v3.26.1
5. Government Grants (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
Government Assistance [Line Items]            
Government Assistance, Refunds Received     $ 117,600      
December 2024 Agreement            
Government Assistance [Line Items]            
Government Assistance, Gross Amount Prior To Transfer           $ 857,200
Aggregate Transaction Price for Sale of Section 45X Tax Credits           818,600
Cash Proceeds Received from Sale of Section 45X Tax Credits         $ 202,600 $ 616,000
June and July 2025 Agreements            
Government Assistance [Line Items]            
Government Assistance, Gross Amount Prior To Transfer         701,900  
Aggregate Transaction Price for Sale of Section 45X Tax Credits         668,100  
Cash Proceeds Received from Sale of Section 45X Tax Credits         668,100  
October 2025 Agreement            
Government Assistance [Line Items]            
Government Assistance, Gross Amount Prior To Transfer         699,700  
Aggregate Transaction Price for Sale of Section 45X Tax Credits         668,200  
Cash Proceeds Received from Sale of Section 45X Tax Credits     95,200   $ 573,000  
Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServicesSold            
Government Assistance [Line Items]            
Government Grants, Amount, Consolidated Statement of Operations $ 444,480 $ 377,041 $ 862,513 $ 678,861    
Government Assistance, Operating Income, Increase (Decrease), Statement of Income or Comprehensive Income [Extensible Enumeration] Cost of sales Cost of sales Cost of sales Cost of sales    
Income Statement Location [Axis]: us-gaap:ResearchAndDevelopmentExpense            
Government Assistance [Line Items]            
Government Grants, Amount, Consolidated Statement of Operations $ 199 $ 347 $ 348 $ 2,191    
Government Assistance, Operating Income, Increase (Decrease), Statement of Income or Comprehensive Income [Extensible Enumeration] Research and development Research and development Research and development Research and development    
Income Statement Location [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense            
Government Assistance [Line Items]            
Government Grants, Amount, Consolidated Statement of Operations $ 9 $ 15 $ 34 $ 48    
Government Assistance, Operating Income, Increase (Decrease), Statement of Income or Comprehensive Income [Extensible Enumeration] Selling, general and administrative Selling, general and administrative Selling, general and administrative Selling, general and administrative