Summary of Significant Accounting Policies - Promotional Allowances, External Advertising, Asset Impairments and Stock-based Compensation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Promotional allowances
Cost of complimentary F&B (A)	$ 2,404	$ 2,447
Average cost of F&B sold (B) (as a percent)	36.70%	32.20%
Hypothetical retail value of F&B (A/B)	$ 6,550	$ 7,599
Cost of hotel accommodations	138	153
Total hypothetical retail value	6,688	7,752
External Advertising
External advertising expenses	175	458
Impairment of Long-Lived Assets
Impairment losses for long-lived assets	0	0
Stock-based Compensation
Share-based compensation	$ 78	$ 59