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COMMITMENTS AND CONTINGENCIES (Details) $ in Thousands, ¥ in Millions, MOP$ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jan. 31, 2023 MOP (MOP$) | Sep. 30, 2024 USD ($) | Sep. 30, 2024 JPY (¥) | Sep. 30, 2023 USD ($) | Sep. 30, 2023 JPY (¥) | Sep. 30, 2024 USD ($) | Sep. 30, 2024 JPY (¥) | Sep. 30, 2023 USD ($) | Sep. 30, 2023 JPY (¥) | Sep. 30, 2024 MOP (MOP$) | Sep. 30, 2024 JPY (¥) | Dec. 31, 2023 USD ($)
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Funded amount |  |  |  |  |  | $ 182,078 |  | $ 144,452 |  |  |  |
Long-term debt, gross |  | $ 6,954,295 |  |  |  | 6,954,295 |  |  |  |  |  | $ 6,371,852
Senior Credit Facility |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Credit facility outstanding |  | 28,000 |  |  |  | 28,000 |  |  |  |  |  |
Revolving Credit Facility |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Long-term debt, gross |  | $ 1,350,000 |  |  |  | $ 1,350,000 |  |  |  |  |  |
Osaka IR KK | Japan |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Guarantor obligations (as a percent) |  | 50.00% |  |  |  | 50.00% |  |  |  | 50.00% | 50.00% |
Commitment amount |  | $ 1,900,000 |  |  |  | $ 1,900,000 |  |  |  |  | ¥ 271,000 |
Funded amount |  | 138,000 | ¥ 22,200 | $ 69,000 | ¥ 10,300 | 157,000 | ¥ 25,200 | $ 69,000 | ¥ 10,300 |  |  |
Osaka IR KK | Japan | Asset Pledged as Collateral |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment |  | 302,000 |  |  |  | 302,000 |  |  |  |  |  |
Performance Guarantee | Osaka IR KK | Japan |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Obligation amount |  | 88,000 |  |  |  | 88,000 |  |  |  |  | ¥ 12,650 |
Blackstone Real Estate Income Trust |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Obligation amount |  | 3,010,000 |  |  |  | 3,010,000 |  |  |  |  |  |
Mandalay Bay and MGM Grand Las Vegas |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Obligation amount |  | 3,000,000 |  |  |  | 3,000,000 |  |  |  |  |  |
MGM Grand Paradise SA | January 2023 Concessions |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Obligation amount | MOP$ 1,000 | 125,000 |  |  |  | 125,000 |  |  |  |  |  |
Guarantee expiration, days after the end of the concession term | 180 days |  |  |  |  |  |  |  |  |  |  |
MGM Grand Paradise SA | June 2022 Sub Concession Extension Contract |  |  |  |  |  |  |  |  |  |  |  |
Loss Contingencies [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Obligation amount |  | $ 87,000 |  |  |  | $ 87,000 |  |  |  | MOP$ 700 |  | $ 87,000

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