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, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Hotel Operating Revenue, Departmental Expenses and Other Property-Related Costs [Abstract]
Room	$ 51,268	$ 48,495	$ 99,001	$ 91,847
Room as a percent of total hotel operating revenue	20.00%	20.30%	20.70%	20.60%
Food and beverage	31,537	29,719	61,286	57,099
Food and beverage as a percent of total hotel operating revenue	12.30%	12.40%	12.80%	12.80%
Other operating departments	6,167	6,425	11,901	12,083
Other operating departments as a percent of total hotel operating revenue	2.40%	2.70%	2.60%	2.70%
Hotel departmental expenses	$ 88,972	$ 84,639	$ 172,188	$ 161,029
Hotel departmental expenses as a percent of total hotel operating revenue	34.70%	35.40%	36.10%	36.10%