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INVESTMENTS - American Battery Technology Company (Details) - American Battery Technology Company - USD ($) |  | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2023 | May 12, 2023 | Apr. 06, 2023
Schedule of Equity Method Investments [Line Items] |  |  |  |
Common stock, number of shares purchased (in shares) | 11,000,000 | 11,000,000 | 1,000,000 | 10,000,000
Investment owned, at fair value | $ 7,100,000 | $ 7,100,000 |  | $ 9,365,000
Shares returned | 1,923,077 |  |  |
Contingency reserve | $ 1,500,000 | $ 1,500,000 |  |
Investment in affiliates, subsidiaries and joint ventures (in shares) | 9,076,923 | 9,076,923 |  |
Other Income (Expense) |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Loss on investments |  | $ 765,000 |  |

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