Hotel Operating Revenue, Departmental Expenses and Other Property-Related Costs (Schedule of Hotel Departmental Expenses) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Hotel Operating Revenue, Departmental Expenses and Other Property-Related Costs [Abstract]
Room	$ 42,511	$ 46,733
Room as a percent of total hotel operating revenue	19.90%	21.10%
Food and beverage	30,696	31,187
Food and beverage as a percent of total hotel operating revenue	14.40%	14.10%
Other operating departments	4,449	5,603
Other operating departments as a percent of total hotel operating revenue	2.10%	2.60%
Hotel departmental expenses	$ 77,656	$ 83,523
Hotel departmental expenses as a percent of total hotel operating revenue	36.40%	37.80%