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NONCONTROLLING INTERESTS - Narrative (Details) $ in Thousands, € in Millions |  | 12 Months Ended |
--- | --- | --- | ---
Oct. 01, 2020 USD ($) | Oct. 01, 2020 EUR (€) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Sep. 30, 2020
Noncontrolling Interest [Line Items] |  |  |  |  |  |
Purchase of subsidiary shares from noncontrolling interest | $ 578,200 | € 493.0 | $ 578,196 | $ 0 | $ 0 |
Reduction in equity attributable to noncontrolling interest | 68,400 |  |  |  |  |
Reduction in total equity attributable to parent |  |  | 509,800 |  |  |
Foreign currency translation attributable to noncontrolling interests | $ (12,100) |  | $ 14,643 | $ (2,725) | $ (2,696) |
Comercia |  |  |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |  |  |
Ownership interest (as a percent) | 80.00% | 80.00% |  |  |  | 51.00%

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