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FAIR VALUE MEASUREMENTS, Summary of Level 3 Instruments Measured at Fair Value (Details) - Level 3 [Member] - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Recurring [Member] | Available-for-Sale Investments [Member] |  |  |  |
Reconciliations of Assets and Liabilities [Abstract] |  |  |  |
Beginning balance |  | $ 35,126 | $ 34,376 | $ 21,357
Additions |  |  | 3,198 | 35,298
Settlement |  | (278) | (1,266) |
Impairment |  | (3,873) |  |
Conversion into ordinary shares of investees |  | (9,945) |  | (21,340)
Net unrealized loss included in other comprehensive income |  | (588) | (1,193) | (958)
Translation gain (loss) included in other comprehensive income |  |  | 11 | 19
Ending balance |  | 20,442 | 35,126 | 34,376
Recurring [Member] | Investments Carried at Fair Value [Member] |  |  |  |
Reconciliations of Assets and Liabilities [Abstract] |  |  |  |
Beginning balance |  | 178,233 | 178,298 | 0
Additions |  |  | 74,482 | 151,227
Net investment gain (loss) included in earnings |  |  | (74,547) | 27,071
Transfer out of Level 3 due to change in status | [1] | (178,233) |  |
Ending balance |  | 0 | 178,233 | 178,298
Recurring [Member] | Other Assets [Member] |  |  |  |
Reconciliations of Assets and Liabilities [Abstract] |  |  |  |
Beginning balance |  | 9,668 | 11,711 | 19,024
Additions |  | 122 | 56 | 186
Disposals |  | (464) | (679) | (3,513)
Write-down included in earnings |  | 40 | (476) | (3,627)
Translation gain (loss) included in other comprehensive income |  | 99 | (944) | (359)
Ending balance |  | 9,465 | 9,668 | $ 11,711
Non-Recurring [Member] | Equity Securities [Member] |  |  |  |
Assets Remeasured at Fair Value [Abstract] |  |  |  |
Assets, fair value |  | $ 251,232 | $ 264,899 |
[1] | See note 2(l) for more information.

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