Summary of Significant Accounting Policies - Schedule of Retail Value of Complimentary Services (Details) - USD ($) $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Schedule of Retail Value of Complimentary Services [Line Items]
Promotional Allowances	$ 39,247	$ 41,785	$ 33,226	$ 18,827	$ 20,929	$ 24,691	$ 23,695	$ 20,985	$ 17,680	$ 15,996	$ 15,723	$ 15,358	$ 133,085	$ 90,300	$ 64,757
Food and Beverage
Schedule of Retail Value of Complimentary Services [Line Items]
Promotional Allowances													87,677	56,335	44,998
Hotel
Schedule of Retail Value of Complimentary Services [Line Items]
Promotional Allowances													37,117	27,070	15,711
Others
Schedule of Retail Value of Complimentary Services [Line Items]
Promotional Allowances													$ 8,291	$ 6,895	$ 4,048