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Investments in and Advances to Unconsolidated Affiliates - Additional Information (Detail) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Sep. 27, 2021
Schedule Of Equity Method Investments [Line Items]          
Distributions from unconsolidated affiliates   $ 9,694 $ 63,960 $ 100,700  
CityCenter Holdings, LLC          
Schedule Of Equity Method Investments [Line Items]          
Business combination, step acquisition, equity interest in acquiree, including subsequent acquisition, percentage         100.00%
Business combination, step acquisition, equity interest in acquiree, immediately prior to transaction, percentage         50.00%
CityCenter Holdings, LLC          
Schedule Of Equity Method Investments [Line Items]          
Distribution paid/declared     101,000 180,000  
MGP BREIT Venture          
Schedule Of Equity Method Investments [Line Items]          
Distributions from unconsolidated affiliates   $ 94,000 $ 81,000    
Percentage ownership interest   50.10% 50.10%    
City Center          
Schedule Of Equity Method Investments [Line Items]          
Distributions from unconsolidated affiliates     $ 51,000 $ 90,000  
Distributions from unconsolidated affiliates, percentage     50.00% 50.00%  
Percentage ownership interest 50.00%   50.00%    
BetMGM          
Schedule Of Equity Method Investments [Line Items]          
Contributions to unconsolidated affiliates   $ 225,000 $ 80,000    
Percentage ownership interest   50.00%      
Harmon Land | CityCenter Holdings, LLC          
Schedule Of Equity Method Investments [Line Items]          
Consideration received from sale of discontinued operations $ 80,000        
Recognized gain on sale, unconsolidated affiliates and reversal of basis differences 30,000        
Harmon Land | City Center          
Schedule Of Equity Method Investments [Line Items]          
Distributions from unconsolidated affiliates 15,000        
Consideration received from sale of discontinued operations 50,000        
Recognized gain on sale, unconsolidated affiliates and reversal of basis differences $ 35,000        
Other          
Schedule Of Equity Method Investments [Line Items]          
Equity method investment, other than temporary impairment   $ 22,000 $ 64,000