Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Accounting Policies [Abstract]
Complimentary food and beverage revenues	$ 2,218	$ 127	$ 3,234	$ 293
Complimentary room revenues	$ 786	$ 0	$ 950	$ 0