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MARKETABLE SECURITIES - Activity in Investments (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Investments rollforward    
Opening balance $ 1,617  
Additions/transfers during period 8,445  
Disposals/transfers during period (548)  
Unrealized gain on securities held 6,453  
Ending balance 15,967  
Marketable securities    
Investments rollforward    
Opening balance 1,206 $ 1,743
Additions/transfers during period 7,463  
Disposals/transfers during period (168) (82)
Unrealized gain on securities held 5,386 284
Ending balance 13,887 $ 1,945
Warrants    
Investments rollforward    
Opening balance 411  
Additions/transfers during period 982  
Disposals/transfers during period (380)  
Unrealized gain on securities held 1,067  
Ending balance $ 2,080