v3.26.1
ORGANIZATION (Details)
$ in Thousands, shares in Millions
May 22, 2026
USD ($)
Feb. 02, 2026
USD ($)
a
MW
Oct. 27, 2025
MW
May 21, 2025
USD ($)
employee
shares
Aug. 05, 2026
a
MW
Jul. 31, 2026
MW
Jul. 06, 2026
Jun. 30, 2026
building
MW
Jun. 30, 2025
USD ($)
COMMITMENTS AND CONTINGENCIES                  
Bitcoin mining facility, operating capacity (in MW) | MW               145  
Number of real estate properties | building               3  
High-performance computing, operating capacity (in MW) | MW               81  
Subsequent Events                  
COMMITMENTS AND CONTINGENCIES                  
High-performance computing, operating capacity (in MW) | MW         102 102      
Disposal Group, Disposed of Other than by Sale, Not Discontinued Operation, Abandonment | Buildings Placed Out Of Service                  
COMMITMENTS AND CONTINGENCIES                  
Number of real estate properties | building               2  
Hawesville, Kentucky Industrial Site                  
COMMITMENTS AND CONTINGENCIES                  
Total consideration   $ 301,900              
Muskie                  
COMMITMENTS AND CONTINGENCIES                  
Total consideration $ 167,461                
Asset acquisition, percentage of shares acquired 100.00%                
Muskie | Subsequent Events                  
COMMITMENTS AND CONTINGENCIES                  
Area of real estate property (in acres) | a         308        
Initial purchase of land (in acres) | a         164        
Option to purchase area of land (in acres) | a         144        
Beowulf E&D                  
COMMITMENTS AND CONTINGENCIES                  
Percentage of equity interests acquired (in percent)       100.00%          
Consideration for transaction       $ 54,565          
Cash consideration       $ 3,000          
Consideration for transaction (in shares) | shares       5.0          
Contingent cash payments       $ 19,000         $ 30,000
Additional common stock       $ 13,000          
Number of employees | employee       94          
Morgantown Generating Station                  
COMMITMENTS AND CONTINGENCIES                  
Power generation facility, operational capacity (in MW) | MW   210              
FS CS I LLC | Big Country Wulf LLC                  
COMMITMENTS AND CONTINGENCIES                  
Maximum operating capacity (in MW) | MW     168            
FS CS I LLC | Big Country Wulf LLC | Subsequent Events                  
COMMITMENTS AND CONTINGENCIES                  
Operation ownership interest sold             50.10%    
Justified Data Campus                  
COMMITMENTS AND CONTINGENCIES                  
Subsidiary, ownership percentage, noncontrolling owner   6.80%              
Hawesville, Kentucky                  
COMMITMENTS AND CONTINGENCIES                  
Area of land | a   250