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INVESTMENTS - Schedule of Activities Involving the Company’s Digital Assets Held as Collateral and Held For Sale (Details) - USD ($)
 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Crypto Asset [Roll Forward]    
Balance at Beginning Balance $ 23,127,000  
Impairment of digital assets 0 $ 5,851,000
Balance at End of Period 25,169,000  
Held as Collateral    
Crypto Asset [Roll Forward]    
Balance at Beginning Balance 64,439,000 0
Purchases 0 0
Sales 0 0
Collateral received 55,946,000 35,941,000
Collateral returned (44,597,000) (3,057,000)
Gains 0 0
Distributions from Fund I 0 0
Change in fair value 9,228,000 0
Impairment of digital assets   0
Balance at End of Period 85,016,000 32,884,000
Held for Sale    
Crypto Asset [Roll Forward]    
Balance at Beginning Balance 23,127,000 5,865,000
Purchases 9,938,000 25,777,000
Sales (12,634,000) (10,842,000)
Collateral received 0 0
Collateral returned 0 0
Gains 6,052,000 1,176,000
Distributions from Fund I 1,759,000 240,000
Change in fair value (3,073,000) 5,889,000
Impairment of digital assets   (5,851,000)
Balance at End of Period $ 25,169,000 $ 22,254,000