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		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Hotel Operating Revenue, Departmental Expenses and Other Property-Related Costs [Abstract]
Room	$ 48,436	$ 47,095	$ 141,701	$ 136,221
Room as a percent of total hotel operating revenue	21.00%	21.10%	20.70%	20.80%
Food and beverage	28,513	27,609	91,061	84,250
Food and beverage as a percent of total hotel operating revenue	12.30%	12.40%	13.30%	12.90%
Other operating departments	5,660	5,440	16,990	16,515
Other operating departments as a percent of total hotel operating revenue	2.50%	2.40%	2.60%	2.50%
Hotel departmental expenses	$ 82,609	$ 80,144	$ 249,752	$ 236,986
Hotel departmental expenses as a percent of total hotel operating revenue	35.80%	35.90%	36.60%	36.20%