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INCOME TAXES - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Income Tax Disclosure [Line Items] |  |  |  |
Net deferred tax asset | $ 200,000 |  |  |
Tax credit carry forward period (in years) | 10 years |  |  |
Deferred tax assets, valuation allowance | $ 1,778,446 | $ 2,886,575 | $ 2,884,262 | $ 2,875,595
Unrecognized tax benefits, if recognized, would affect the effective tax rate | 9,000 | 7,000 |  |
Reversal of unrecognized tax benefit | 0 | $ 12,968 | $ 13,388 |
2024 |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Tax credit carryforward expiration amount | 780,000 |  |  |
2025 |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Tax credit carryforward expiration amount | 674,000 |  |  |
2026 |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Tax credit carryforward expiration amount | 134,000 |  |  |
2027 |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Tax credit carryforward expiration amount | 200,000 |  |  |
MGM Grand Paradise SA |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Complementary tax | 1,100,000 |  |  |
Increase (decrease) in valuation allowance | 400,000 |  |  |
Macau |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Valuation allowance on foreign tax credit | 1,600,000 |  |  |
Foreign tax credit carryover | $ 1,800,000 |  |  |
Special gaming tax rate (in percent) | 35.00% |  |  |
Macau | MGM Grand Paradise SA |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Macau's complementary tax rate on distributions of gaming profits (in percent) |  | 12.00% |  |
State |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Complementary tax | $ 209,000 |  |  |
Deferred tax assets, valuation allowance | 10,000 |  |  |
Deferred tax assets after federal tax effect and before valuation allowance | 13,000 |  |  |
Foreign |  |  |  |
Income Tax Disclosure [Line Items] |  |  |  |
Deferred tax assets, valuation allowance | 180,155 | $ 244,805 |  |
Increase (decrease) in valuation allowance | $ 50,000 |  |  |

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