Investments in and Advances to Unconsolidated Affiliates - Summarized Balance Sheet Information (Detail) - City Center Holdings LLC As a Legal Entity [Member] - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Schedule Of Equity Method Investments [Line Items]
Current assets	$ 442,905	$ 394,283
Property and other long-term assets, net	6,662,105	6,704,485
Current liabilities	507,564	295,822
Long-term debt, net and other long-term obligations	1,248,979	1,248,916
Equity	$ 5,348,467	$ 5,554,030