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		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Hotel Operating Revenue, Departmental Expenses and Other Property-Related Costs [Abstract]
Room	$ 49,363	$ 47,694	$ 96,091	$ 91,853
Room as a percent of total hotel operating revenue	19.90%	19.90%	20.70%	20.70%
Food and beverage	32,610	29,799	63,655	57,732
Food and beverage as a percent of total hotel operating revenue	13.20%	12.40%	13.70%	13.00%
Other operating departments	6,038	5,843	11,470	11,240
Other operating departments as a percent of total hotel operating revenue	2.40%	2.40%	2.40%	2.50%
Hotel departmental expenses	$ 88,011	$ 83,336	$ 171,216	$ 160,825
Hotel departmental expenses as a percent of total hotel operating revenue	35.50%	34.70%	36.80%	36.20%