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, 2013	Mar. 31, 2012
Hotel Operating Revenue, Departmental Expenses and Other Property-Related Costs [Abstract]
Room	$ 47,593	$ 44,971
Room as a percent of total hotel operating revenue	21.60%	21.70%
Food and beverage	31,462	28,345
Food and beverage as a percent of total hotel operating revenue	14.30%	13.60%
Other operating departments	5,480	5,445
Other operating departments as a percent of total hotel operating revenue	2.50%	2.60%
Hotel departmental expenses	$ 84,535	$ 78,761
Hotel departmental expenses as a percent of total hotel operating revenue	38.40%	37.90%