Hotel Operating Revenue, Departmental Expenses and Other Property-Related Costs (Schedule of Other Property-Related Costs) (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 [Line Items]
Other property-related costs	$ 61,153	$ 59,766	$ 181,942	$ 176,050
Other property-related costs as a percent of total hotel operating revenue	26.50%	26.80%	26.60%	26.90%
Hotel General and Administrative Expense [Member]
Hotel Operating Revenue, Departmental Expenses, and Other Property-Related Costs [Line Items]
Other property-related costs	20,228	19,603	60,964	58,891
Other property-related costs as a percent of total hotel operating revenue	8.80%	8.80%	8.90%	9.00%
Selling and Marketing Expense [Member]
Hotel Operating Revenue, Departmental Expenses, and Other Property-Related Costs [Line Items]
Other property-related costs	18,475	18,321	57,494	55,257
Other property-related costs as a percent of total hotel operating revenue	8.00%	8.20%	8.40%	8.40%
Repair and Maintenance [Member]
Hotel Operating Revenue, Departmental Expenses, and Other Property-Related Costs [Line Items]
Other property-related costs	11,441	11,115	34,489	33,405
Other property-related costs as a percent of total hotel operating revenue	5.00%	5.00%	5.10%	5.10%
Utilities [Member]
Hotel Operating Revenue, Departmental Expenses, and Other Property-Related Costs [Line Items]
Other property-related costs	$ 11,009	$ 10,727	$ 28,995	$ 28,497
Other property-related costs as a percent of total hotel operating revenue	4.70%	4.80%	4.20%	4.40%