Summary of Significant Accounting Policies - Promotional Allowances (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Total retail value of promotional allowances	$ 1,101	$ 655	$ 1,453	$ 1,722
Total cost of promotional allowances	903	713	1,384	1,709
Food and Beverage
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Total retail value of promotional allowances	175	383	340	744
Total cost of promotional allowances	324	492	669	1,022
Non Subsidized Free Play
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Total retail value of promotional allowances	846	124	970	712
Total cost of promotional allowances	499	73	572	420
Players Club Awards
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Total retail value of promotional allowances	80	148	143	266
Total cost of promotional allowances	$ 80	$ 148	$ 143	$ 267