Hotel Operating Revenue, Departmental Expenses and Other Property-Related Costs (Schedule of Hotel Departmental Expenses) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Hotel Operating Revenue, Departmental Expenses and Other Property-Related Costs [Abstract]
Room	$ 43,483	$ 44,748	$ 84,161	$ 87,447
Room as a percent of total hotel operating revenue	19.80%	18.90%	20.70%	19.60%
Food and beverage	$ 28,281	$ 32,592	$ 54,503	$ 63,548
Food and beverage as a percent of total hotel operating revenue	12.90%	13.80%	13.40%	14.20%
Other operating departments	$ 3,947	$ 4,039	$ 7,480	$ 7,822
Other operating departments as a percent of total hotel operating revenue	1.90%	1.70%	1.80%	1.80%
Hotel departmental expenses	$ 75,711	$ 81,379	$ 146,144	$ 158,817
Hotel departmental expenses as a percent of total hotel operating revenue	34.60%	34.40%	35.90%	35.60%