Summary of Significant Accounting Policies - Promotional Allowances (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Total retail value of promotional allowances	$ 1,619	$ 661	$ 3,072	$ 2,384
Total cost of promotional allowances	1,316	727	2,700	2,436
Food and Beverage
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Total retail value of promotional allowances	328	447	668	1,192
Total cost of promotional allowances	490	572	1,159	1,594
Non Subsidized Free Play
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Total retail value of promotional allowances	1,135	143	2,105	855
Total cost of promotional allowances	670	84	1,242	504
Players Club Awards
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Total retail value of promotional allowances	156	71	299	337
Total cost of promotional allowances	$ 156	$ 71	$ 299	$ 338