v3.26.3
Commitments and Contingencies (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2019
Dec. 31, 2025
Dec. 19, 2025
Line of Credit Facility [Line Items]              
Purchase obligation $ 5,800,000   $ 5,800,000        
2026 100,000   100,000        
2027 2,600,000   2,600,000        
2028 1,300,000   1,300,000        
2029 1,800,000   1,800,000        
PPA expenses 7,500 $ 2,400 21,300 $ 17,000      
Restricted cash, noncurrent 20,592   20,592     $ 25,499  
Letter of Credit              
Line of Credit Facility [Line Items]              
Maximum borrowing capacity 217,400   217,400        
Letter of Credit | Line of Credit              
Line of Credit Facility [Line Items]              
Maximum borrowing capacity 90,000   90,000       $ 90,000
Variable Interest Entity, Primary Beneficiary | PPA II              
Line of Credit Facility [Line Items]              
Restricted cash 20,900   20,900     26,600  
Variable Interest Entity, Primary Beneficiary | PPA IIIB              
Line of Credit Facility [Line Items]              
Restricted cash         $ 20,000    
Restricted cash, pledged as collateral, term         7 years    
Variable Interest Entity, Primary Beneficiary | PPA Company 5              
Line of Credit Facility [Line Items]              
Restricted cash, noncurrent $ 500   $ 500     $ 900