v3.25.2
Basis of presentation, summary of significant accounting policies and recent accounting pronouncements - Additional information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Impairment of long-lived assets $ 0 $ 0 $ 0 $ 0  
Impairment of long-lived assets, discontinued operations 0 $ 0 0 6,100  
Interest or penalties related to income taxes $ 0   $ 0   $ 0
Far North          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Ownership percentage of non-controlling interest (in %) 19.90%   19.90%    
American Bitcoin Corp          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Ownership percentage of non-controlling interest (in %) 34.31%   34.31%    
Discontinued operations | Drumheller          
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]          
Impairment of long-lived assets, discontinued operations       $ 6,065