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COLLATERALIZED ARRANGEMENTS AND FINANCING - Assets pledged as collateral against crypto borrowings (Details)
$ in Thousands
Mar. 31, 2024
USD ($)
Unit
Dec. 31, 2023
USD ($)
Unit
Crypto Asset, Activity [Line Items]    
Fair Value $ 348,036,477 $ 206,982,953
Asset Pledged as Collateral    
Crypto Asset, Activity [Line Items]    
Fair Value $ 73,096 $ 53,071
Asset Pledged as Collateral without Right    
Crypto Asset, Activity [Line Items]    
Units | Unit 221,827,262 29,577,339
Fair Value $ 221,827 $ 29,577
USDC    
Crypto Asset, Activity [Line Items]    
Units | Unit 73,096,425 51,879,705
USDC | Asset Pledged as Collateral    
Crypto Asset, Activity [Line Items]    
Fair Value $ 73,096 $ 51,880
Fiat | Asset Pledged as Collateral    
Crypto Asset, Activity [Line Items]    
Fair Value $ 0 $ 1,191