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OTHER (EXPENSE) INCOME - Summary of Other Income (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 USD ($) Transaction | Dec. 31, 2022 USD ($) Transaction | Dec. 31, 2021 USD ($)
OTHER (EXPENSE) INCOME |  |  |
Unrealized and realized gain (loss) on investments (Note 5) | $ 20,462 | $ (511) | $ 28
Foreign currency gain on Blue Chip Swap | 7,993 | 19,772 |
Foreign currency gain (loss) | (59,503) | 4,030 | 513
COVID-19 relief |  |  | 3,541
Other income (loss), net | 1,072 | (353) | 2,199
Total other income (loss) | $ (29,976) | $ 22,938 | $ 6,281
Number of Blue Chip Swaps | Transaction | 2 | 11 |
Realized net gain | $ 7,600 | $ 18,800 |
Foreign currency gain | 8,000 | 19,800 |
Realized loss on investments | $ (400) | $ (1,000) |

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