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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details) $ in Thousands, MOP$ in Millions | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Feb. 28, 2023 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($) | Dec. 31, 2022 USD ($) | Sep. 30, 2023 MOP (MOP$)
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Investments in and advances to unconsolidated affiliates |  | $ 231,998 |  | $ 231,998 |  | $ 173,039 |
Percentage of ownership interest |  |  |  | 100.00% |  |  |
Fair value of investment |  | 409,000 |  | $ 409,000 |  | 461,000 |
Unrealized loss of equity investments |  | 57,000 | $ 20,000 | 52,000 | $ 28,000 |  |
Loss reserve for accounts receivable |  | 131,000 |  | 131,000 |  | 113,000 |
Accrual for property and equipment within accounts payable |  |  |  | 56,000 |  | 80,000 |
MGM National Harbor |  |  |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Payments for repurchase of redeemable noncontrolling interest |  |  |  | 138,000 | 21,000 |  |
Food and Beverage Revenue |  |  |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Lease revenue |  | 20,000 | 19,000 | 57,000 | 52,000 |  |
Entertainment Retail and Other Revenue |  |  |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Lease revenue |  | 27,000 | $ 30,000 | 86,000 | $ 85,000 |  |
Circus Circus Las Vegas And Adjacent Land |  |  |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Repayment of note receivable | $ 170,000 |  |  |  |  |  |
Circus Circus Las Vegas And Adjacent Land | Other Noncurrent Assets |  |  |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Carrying value of note receivable |  |  |  |  |  | 167,000 |
MGM Grand Paradise SA | June 2022 Sub Concession Extension Contract |  |  |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Obligation amount |  | $ 87,000 |  | $ 87,000 |  | $ 124,000 | MOP$ 700
Bellagio BREIT Venture |  |  |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Percentage of minority interest |  | 5.00% |  | 5.00% |  |  | 5.00%
Bellagio Blackstone Real Estate Investment Trust, Inc |  |  |  |  |  |  |
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |  |  |
Investments in and advances to unconsolidated affiliates |  | $ 55,000 |  | $ 55,000 |  |  |

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