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Balance Sheet Components - Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Property, Plant, and Equipment [Line Items]    
Property, plant and equipment, gross $ 843,644 $ 681,099
Less: accumulated depreciation (303,918) (282,592)
Property, plant and equipment, net [1] 539,726 398,507
Vehicles, machinery and equipment    
Property, Plant, and Equipment [Line Items]    
Property, plant and equipment, gross 270,453 203,731
Construction-in-progress    
Property, Plant, and Equipment [Line Items]    
Property, plant and equipment, gross 208,176 83,067
Leasehold improvements    
Property, Plant, and Equipment [Line Items]    
Property, plant and equipment, gross 130,708 129,665
Energy Server systems    
Property, Plant, and Equipment [Line Items]    
Property, plant and equipment, gross 130,537 165,629
Buildings    
Property, Plant, and Equipment [Line Items]    
Property, plant and equipment, gross 54,001 53,156
Computers, software and hardware    
Property, Plant, and Equipment [Line Items]    
Property, plant and equipment, gross 37,726 34,761
Furniture and fixtures    
Property, Plant, and Equipment [Line Items]    
Property, plant and equipment, gross $ 12,043 $ 11,090
[1] We have a variable interest entity related to a joint venture in the Republic of Korea (see Note 11—Related Party Transactions in this Quarterly Report on Form 10-Q), which represents a portion of the consolidated balances recorded within these financial statement line items.