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Investments in and Advances to Unconsolidated Affiliates - Summarized Income Statement Information (Detail) - CityCenter [Member] - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Schedule Of Equity Method Investments [Line Items]
Net revenues	$ 320,352	$ 294,387	$ 993,215	$ 942,871
Operating income	61,464	26,105	159,831	139,977
Income from continuing operations	33,082	4,842	56,079	81,718
Net income (loss)	$ 33,082	$ (1,227)	$ 56,079	$ (52,899)

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