v3.26.3
BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Additional Information (Details)
$ in Thousands, MOP$ in Millions
1 Months Ended 3 Months Ended 9 Months Ended
Apr. 30, 2026
USD ($)
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2026
USD ($)
Sep. 30, 2025
USD ($)
Sep. 30, 2026
MOP (MOP$)
Dec. 31, 2025
USD ($)
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]              
Ownership interest (in percent)       100.00%      
Fair value of investment   $ 289,000   $ 289,000     $ 355,000
Net gain (loss) on equity investments   (44,000) $ (6,000) (66,000) $ 27,000    
Loss reserve for accounts receivable   166,000   166,000     139,000
Goodwill impairment   0 256,133 111,019 256,133    
Accrual for property and equipment within accounts payable   75,000   75,000     83,000
Write downs and impairments     93,000   93,000    
Foreign currency transaction gain (loss)   12,000 23,000 67,460 (285,452)    
Empire City Gaming License | Empire City Reporting Unit              
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]              
Impairment of intangible assets     52,000   52,000    
Disposal group, disposed of by sale, not discontinued operations | MGM Northfield Park              
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]              
Gain on sale of real estate assets $ 253,000     253,000      
Disposal group, disposed of by sale, not discontinued operations | MGM Northfield Park | VICI lease              
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]              
Gain on partial lease termination $ 51,000     51,000      
Income Statement Location [Axis]: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax | Food and beverage              
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]              
Lease revenue   18,000 18,000 51,000 54,000    
Income Statement Location [Axis]: us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax | Entertainment, retail and other              
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]              
Lease revenue   29,000 30,000 88,000 88,000    
MGM Grand Paradise SA | Gaming Concessions              
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]              
Obligation amount   87,000   87,000   MOP$ 700 87,000
Foreign Exchange Forward              
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]              
Derivative asset, noncurrent   1,000   1,000      
Derivative liability current   28,000   28,000     69,000
Derivative liability             88,000
Derivative liability noncurrent             $ 19,000
Net gain (loss) on derivative   $ 24,000 $ (41,000) $ (21,000) $ 34,000    
Bellagio REIT Venture              
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]              
Ownership interest by noncontrolling owner (in percent)   5.00%   5.00%   5.00%