v3.25.4
INVESTMENTS - Schedule of Digital Assets Held by Third-party Custodians (Details)
$ in Thousands
Sep. 30, 2025
USD ($)
unit
crypto
Dec. 31, 2024
unit
Dec. 31, 2024
USD ($)
Dec. 31, 2024
crypto
Dec. 31, 2024
loan
Dec. 31, 2023
USD ($)
Crypto Assets Held As Colateral [Abstract]            
Units | unit 2,988 4,988        
Fair Value $ 85,016   $ 64,439     $ 0
Liability for loan originations collateralized by digital assets 85,000   64,400      
Digital Assets Held For Sale [Abstract]            
Units | loan         2,509,392  
Cost Basis 18,646   15,217      
Fair Value $ 25,169   23,127     5,865
Units subject to lock-up period       58,204 94,032  
Bitcoin (BTC)            
Crypto Assets Held As Colateral [Abstract]            
Units | unit 661 531        
Fair Value $ 75,367   49,593     0
Ethereum (ETH)            
Crypto Assets Held As Colateral [Abstract]            
Units | unit 2,327 4,457        
Fair Value $ 9,649   14,846     0
Solana (SOL)            
Digital Assets Held For Sale [Abstract]            
Units 84,726 95,139     95,139  
Cost Basis $ 11,701   10,110      
Fair Value $ 17,687   18,020     0
Units subject to lock-up period | crypto 58,204          
USD Coin            
Digital Assets Held For Sale [Abstract]            
Units 4,143,156 2,414,254     2,414,254  
Cost Basis $ 4,143   2,414      
Fair Value $ 4,143   2,414     0
USDT            
Digital Assets Held For Sale [Abstract]            
Units | unit 958,297 0        
Cost Basis $ 958   0      
Fair Value 958   0      
Other digital assets            
Digital Assets Held For Sale [Abstract]            
Cost Basis 1,844   2,693      
Fair Value 2,381   2,693     $ 5,865
Digital assets, held- for- sale other than HASH            
Digital Assets Held For Sale [Abstract]            
Cost Basis $ 1,500   $ 1,500