Contributions to unconsolidated affiliates.

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- Definition

Gain (loss) on sale of business in unconsolidated affiliates and reversal of basis differences.

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- Definition

Percentage of dividend on equity method investments from unconsolidated affiliates.

+ References

No definition available.

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- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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No definition available.

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- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of distribution received from equity method investee for return of investment, classified as investing activities. Excludes distribution for return on investment, classified as operating activities.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Investments in and Advances to Unconsolidated Affiliates - Additional Information (Detail) - USD ($) $ in Thousands	1 Months Ended		3 Months Ended		6 Months Ended
	Jun. 30, 2021	Apr. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Sep. 30, 2021	Dec. 31, 2020
Schedule Of Equity Method Investments [Line Items]
Distributions from unconsolidated affiliates					$ 803	$ 63,251
City Center Holdings L L C [Member]
Schedule Of Equity Method Investments [Line Items]
Distribution paid/declared		$ 101,000
MGP BREIT Venture [Member]
Schedule Of Equity Method Investments [Line Items]
Distributions from unconsolidated affiliates			$ 32,000	$ 23,000	$ 47,000	35,000
Percentage ownership interest	50.10%		50.10%		50.10%			50.10%
BetMGM [Member]
Schedule Of Equity Method Investments [Line Items]
Contributions to unconsolidated affiliates			$ 25,000	$ 10,000	$ 100,000	$ 30,000
Percentage ownership interest	50.00%		50.00%		50.00%			50.00%
CityCenter Holdings LLC As Investee [Member]
Schedule Of Equity Method Investments [Line Items]
Distributions from unconsolidated affiliates		$ 51,000
Percentage ownership interest	50.00%		50.00%		50.00%			50.00%
Distributions from unconsolidated affiliates, percentage		50.00%
CityCenter Holdings LLC As Investee [Member] \| Scenario Forecast [Member]
Schedule Of Equity Method Investments [Line Items]
Percentage ownership interest							100.00%
CityCenter Holdings LLC As Investee [Member] \| Infinity World Development Corp [Member]
Schedule Of Equity Method Investments [Line Items]
Percentage ownership interest	50.00%		50.00%		50.00%
Harmon Land [Member] \| City Center Holdings L L C [Member]
Schedule Of Equity Method Investments [Line Items]
Consideration received from sale of discontinued operations	$ 80,000		$ 80,000		$ 80,000
Recognized gain on sale, unconsolidated affiliates and reversal of basis differences	30,000
Harmon Land [Member] \| CityCenter Holdings LLC As Investee [Member]
Schedule Of Equity Method Investments [Line Items]
Distributions from unconsolidated affiliates	$ 15,000
Distributions from unconsolidated affiliates, percentage	50.00%
Consideration received from sale of discontinued operations	$ 50,000		$ 50,000		$ 50,000
Recognized gain on sale, unconsolidated affiliates and reversal of basis differences	$ 35,000