Summary of Significant Accounting Policies - Summary of Estimated Cost of Promotional Allowances (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Promotional Allowances
Estimated costs of providing promotional allowances (primarily included in casino expenses)	$ 173,029	$ 190,028	$ 180,141
Rooms
Promotional Allowances
Estimated costs of providing promotional allowances (primarily included in casino expenses)	51,775	54,981	52,585
Food and Beverage
Promotional Allowances
Estimated costs of providing promotional allowances (primarily included in casino expenses)	106,840	120,070	112,897
Entertainment, Retail and Other
Promotional Allowances
Estimated costs of providing promotional allowances (primarily included in casino expenses)	$ 14,414	$ 14,977	$ 14,659