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FAIR VALUE MEASUREMENTS AND INVESTMENTS - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2023 | Sep. 30, 2023 | Dec. 31, 2022
Fair value measurements |  |  |
Reclassification of foreign currency losses on investment | $ 1,349 | $ 1,349 |
Equity investments |  |  |
Fair value measurements |  |  |
Equity method investments without a readily determinable fair value transferred to the cost method | 16,300 | 16,300 |
Investment income |  | 100 |
Reclassification of foreign currency losses on investment |  | 1,349 |
Carrying Value |  |  |
Fair value measurements |  |  |
Long-term debt | 543,100 | 543,100 | $ 467,200
Level 2 | Total |  |  |
Fair value measurements |  |  |
Long-term debt | $ 552,200 | $ 552,200 | $ 473,700

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