v3.26.1
Eiger Resources (Narrative) (Details) - Eiger, LLC - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Variable Interest Entity [Line Items]          
Income from equity method investee $ 29,258   $ 29,258   $ 33,723
Income (loss) from equity method investments     (100)    
Minerals and Royalties          
Variable Interest Entity [Line Items]          
Income from equity method investee $ 29,300   $ 29,300   $ 33,700
Ownership percent (less than) 20.00%   20.00%    
Income (loss) from equity method investments $ (1,100) $ 300 $ (100) $ 800