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INCOME TAXES - Additional Information (Details) | 3 Months Ended | 9 Months Ended | 12 Months Ended
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Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Income Tax Disclosure [Line Items] |  |  |  |  |
Effective income tax rate provision (benefit) | 5.50% | (10.60%) | 18.90% | 43.80% |
MGM Grand Paradise SA | Macau |  |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |  |
Macau's complementary tax rate on distributions of gaming profits (in percent) |  |  |  |  | 12.00%

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