v3.26.1
Investments in Equity and Marketable Securities - Schedule of Equity Investments (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Equity Securities, FV-NI [Roll Forward]          
Balance, beginning of period     $ 43,591 $ 24,883 $ 24,883
Divestment of publicly traded companies     (13,919)   (11,151)
Fair value loss on marketable securities (unrealized) $ (15,870) $ 2,810 (25,918) $ (7,066) (5,681)
Foreign exchange gain (loss) translation     (620)   1,144
Balance, end of period $ 52,221   52,221   43,591
Verdera Energy Corp          
Equity Securities, FV-NI [Roll Forward]          
Investment obtained as part of sale of mineral property     36,530   0
Non-Verdera          
Equity Securities, FV-NI [Roll Forward]          
Investment obtained as part of sale of mineral property     $ 12,557   $ 34,396