Basis of Presentation and Significant Accounting Policies - Schedule of Contract and Contract - related Liabilities (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Outstanding Chip Liability [Member]
Contract And Contract Related Liabilities [Line Items]
Balance at January 1	$ 597,753	$ 227,538
Balance at March 31	779,242	290,614
Increase / (decrease)	181,489	63,076
Loyalty Program [Member]
Contract And Contract Related Liabilities [Line Items]
Balance at January 1	91,119	88,379
Balance at March 31	93,459	88,814
Increase / (decrease)	2,340	435
Customer Advances and Other [Member]
Contract And Contract Related Liabilities [Line Items]
Balance at January 1	539,626	437,287
Balance at March 31	492,599	400,051
Increase / (decrease)	$ (47,027)	$ (37,236)