v3.26.3
Power Supply Agreements (Details)
$ in Thousands
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Nov. 30, 2022
MW
Mar. 31, 2022
MW
May 31, 2020
MW
Sep. 30, 2026
USD ($)
MW
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
MW
Sep. 30, 2025
USD ($)
Dec. 31, 2024
item
Dec. 31, 2025
Power Purchase Agreement [Line Items]                  
Power curtailment credits | $       $ 24,664 $ 30,634 $ 55,741 $ 46,748    
Collateral requirement of the company | $       0   0      
Realized gain (loss) | $       (200) $ (900) 800 (1,000)    
Derivative liabilities | $       977   977      
Corsicana PPA                  
Power Purchase Agreement [Line Items]                  
Derivative liabilities | $       $ 1,000   $ 1,000      
Discount Rate                  
Power Purchase Agreement [Line Items]                  
Estimate fair value of derivative       0.247   0.247      
Corsicana Facility                  
Power Purchase Agreement [Line Items]                  
Number of Megawatts capacity | item               25  
Fixed price per megawatts capacity               43.95  
Kentucky Facility                  
Power Purchase Agreement [Line Items]                  
Number of megawatts capacity acquired | MW       67   67      
Future                  
Power Purchase Agreement [Line Items]                  
Number of megawatts capacity held under future contract | MW       1,097,360   1,097,360      
Fair value of financial instruments | $       $ 900   $ 900      
Unrealized gain (loss) | $       $ (400)   $ (1,600) $ (200)    
Maximum | Forward prices (per mWh)                  
Power Purchase Agreement [Line Items]                  
Estimate fair value of derivative       84.54   84.54     106.51
Minimum | Forward prices (per mWh)                  
Power Purchase Agreement [Line Items]                  
Estimate fair value of derivative       30.46   30.46     36.09
Average | Forward prices (per mWh)                  
Power Purchase Agreement [Line Items]                  
Estimate fair value of derivative       44.59   44.59     55.7
Power Purchase Agreement                  
Power Purchase Agreement [Line Items]                  
Aggregate MW of long-term, fixed-price power, agreed to acquire | MW           345      
Power Purchase Agreement | Corsicana Facility                  
Power Purchase Agreement [Line Items]                  
Aggregate MW of long-term, fixed-price power, agreed to acquire | MW           25      
Power Purchase Agreement | TXU Energy Retail Company LLC | Rockdale Facility Bitcoin Mining Facility Texas                  
Power Purchase Agreement [Line Items]                  
Aggregate MW of long-term, fixed-price power, agreed to acquire | MW     345            
MW contracted, at fixed prices through April 30, 2030 | MW   65 130            
MW contracted, at fixed prices through October 31, 2027 | MW 150