Summary of Significant Accounting Policies - Promotional Allowances (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Promotional Allowance	$ 4,042	$ 2,847
Total cost of promotional allowances	3,677	3,040
Food and Beverage
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Promotional Allowance	1,000	1,486
Total cost of promotional allowances	1,750	2,080
Non Subsidized Free Play
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Promotional Allowance	2,718	978
Total cost of promotional allowances	1,603	577
Players Club Awards
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Promotional Allowance	324	383
Total cost of promotional allowances	$ 324	$ 383