v3.26.1
Sale of Hawesville - Narrative (Details)
$ in Millions
3 Months Ended 6 Months Ended
Feb. 02, 2026
USD ($)
MW
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Disposal Group, Including Discontinued Operations [Line Items]          
Recognized gain   $ 0.0 $ 0.0 $ 287.9 $ 0.0
Discontinued Operations, Disposed of by Sale | Hawesville Facility          
Disposal Group, Including Discontinued Operations [Line Items]          
Proceeds from sale of hawesville facility $ 200.0        
Minority interest purchase right $ 300.0        
Data center operations output triggering level | MW 375        
Recognized gain $ 287.9        
Debt covenant, restricted cash   $ 44.8   $ 44.8  
Discontinued Operations, Disposed of by Sale | Hawesville Facility | Terawulf Affiliate          
Disposal Group, Including Discontinued Operations [Line Items]          
Non-dilutive minority equity interest, percent 6.80%