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MARKETABLE SECURITIES - Activity in Investments (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Investments roll forward    
Opening balance $ 21,114 $ 1,617
Additions/transfers during period 3,380 8,445
Disposals/transfers during period (5,763) (548)
Gain (Loss) on securities held (5,906) 6,453
Ending balance 12,825 15,967
Equity securities    
Investments roll forward    
Opening balance 18,766  
Disposals/transfers during period (5,763)  
Gain (Loss) on securities held (4,367)  
Ending balance 8,636  
Marketable securities    
Investments roll forward    
Opening balance   1,206
Additions/transfers during period   7,463
Disposals/transfers during period   (168)
Gain (Loss) on securities held   5,386
Ending balance   13,887
Warrants    
Investments roll forward    
Opening balance 2,348 411
Additions/transfers during period 3,380 982
Disposals/transfers during period   (380)
Gain (Loss) on securities held (1,539) 1,067
Ending balance $ 4,189 $ 2,080