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CLEARING OPERATIONS - Valuation (Details) - USD ($) | Jun. 30, 2024 | Dec. 31, 2023
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Digital Assets - Safeguarded Assets and Safeguarded Liabilities |  |
Fair Value | $ 6,900,000 | $ 51,300,000
Bitcoin |  |
Digital Assets - Safeguarded Assets and Safeguarded Liabilities |  |
Number of Units | 70 | 821
Valuation per Unit | $ 61,900 | $ 42,492
Fair Value | $ 4,400,000 | $ 34,900,000
Ethereum |  |
Digital Assets - Safeguarded Assets and Safeguarded Liabilities |  |
Number of Units | 708 | 6,270
Valuation per Unit | $ 3,416 | $ 2,282
Fair Value | $ 2,400,000 | $ 14,300,000
Litecoin |  |
Digital Assets - Safeguarded Assets and Safeguarded Liabilities |  |
Number of Units | 1,323 | 16,329
Valuation per Unit | $ 75 | $ 74
Fair Value | $ 100,000 | $ 1,200,000
Bitcoin Cash |  |
Digital Assets - Safeguarded Assets and Safeguarded Liabilities |  |
Number of Units | 95 | 1,374
Valuation per Unit | $ 392 | $ 261
Fair Value |  | $ 400,000
USD Coin |  |
Digital Assets - Safeguarded Assets and Safeguarded Liabilities |  |
Number of Units | 4,277 | 506,652
Valuation per Unit | $ 1 | $ 1
Fair Value |  | $ 500,000

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