Investments in and Advances to Unconsolidated Affiliates - Summarized Balance Sheet Information (Detail) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Schedule Of Equity Method Investments [Line Items]
Cash and cash equivalents	$ 5,101,637	$ 2,329,604
Property and equipment, net	14,632,091	18,285,955
Long-term debt, net	12,376,684	11,168,904
City Center and MGP BREIT Venture [Member]
Schedule Of Equity Method Investments [Line Items]
Cash and cash equivalents	96,758	246,269
Property and equipment, net	10,237,004	5,937,382
Other assets, net	256,813	204,326
Long-term debt, net	4,715,997	1,734,770
Other liabilities	$ 270,583	$ 343,456

Assets noncurrent net other than property plant and equipment.

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