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EQUITY INVESTMENTS - Non-equity method (Details) - USD ($) $ in Thousands |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 08, 2023 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Equity securities without readily determinable fair value |  |  |  |
Beginning balance |  | $ 42,000 |  |
Contributions |  | 49,560 | $ 32,639 |
Ending balance |  | $ 92,541 |  | $ 42,000
Infinitum Electric |  |  |  |
Equity securities without readily determinable fair value |  |  |  |
Contributions | $ 24,600 |  |  | $ 42,000

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