Summary of Significant Accounting Policies - Promotional Allowances (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Total retail value of promotional allowances	$ 1,220	$ 1,478	$ 1,458	$ 2,454
Total cost of promotional allowances	1,036	1,192	1,517	2,102
Food and beverage [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Total retail value of promotional allowances	394	409	736	828
Total cost of promotional allowances	486	524	1,018	1,086
Non-subsidized free play [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Total retail value of promotional allowances	672	978	544	1,489
Total cost of promotional allowances	396	577	321	879
Players club awards [Member]
Revenue Recognition, Multiple-deliverable Arrangements [Line Items]
Total retail value of promotional allowances	154	91	178	137
Total cost of promotional allowances	$ 154	$ 91	$ 178	$ 137