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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Other Investments (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Roll forward of investments |  |
Beginning balance | $ 38,169 | $ 48,444
Sale of Investments(1) |  | (13,212)
Income (loss) recognized | 2,840 | (1,799)
Contributions / (distributions) | 320 | 2,006
Foreign currency loss | 1,578 | (2,040)
Gain recognized |  | 4,770
Ending balance | 42,907 | 38,169
Investments without a readily determinable fair value |  |
Roll forward of investments |  |
Beginning balance | 22,590 | 17,820
Income (loss) recognized | 2,431 |
Contributions / (distributions) | 425 |
Transfers | 16,264 |
Gain recognized |  | 4,770
Ending balance | 41,710 | 22,590
Fair value investments |  |
Roll forward of investments |  |
Beginning balance | 1,616 | 1,925
Income (loss) recognized | 316 | 435
Contributions / (distributions) | (735) | (744)
Ending balance | 1,197 | 1,616
Equity investments |  |
Roll forward of investments |  |
Beginning balance | 13,963 | 28,699
Sale of Investments(1) |  | (13,212)
Income (loss) recognized | 93 | (2,234)
Contributions / (distributions) | 630 | 2,750
Foreign currency loss | 1,578 | (2,040)
Transfers | $ (16,264) |
Ending balance |  | $ 13,963

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