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Investments in and Advances to Unconsolidated Affiliates - Additional Information (Detail) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended
--- | --- | ---
Apr. 30, 2020 | Mar. 31, 2019 | Mar. 31, 2020 | Mar. 31, 2019
Schedule Of Equity Method Investments [Line Items] |  |  |  |
Distributions from unconsolidated affiliates |  |  | $ 426 | $ 31,850
City Center Holdings L L C [Member] |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |
Dividend paid/declared | $ 101,000 | $ 64,000 |  |
CityCenter Holdings LLC As Investee [Member] |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |
Distributions from unconsolidated affiliates, percentage | 50.00% | 50.00% |  |
Distributions from unconsolidated affiliates | $ 51,000 | $ 32,000 |  |
MGP BREIT Venture [Member] |  |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |  |
Distributions from unconsolidated affiliates |  |  | $ 12,000 |

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