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, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Hotel Operating Revenue, Departmental Expenses and Other Property-Related Costs [Abstract]
Room	$ 48,348	$ 47,914	$ 145,666	$ 140,106
Room as a percent of total hotel operating revenue	20.80%	20.90%	20.50%	20.70%
Food and beverage	28,667	28,251	92,920	90,244
Food and beverage as a percent of total hotel operating revenue	12.30%	12.30%	13.10%	13.30%
Other operating departments	5,716	5,585	17,296	16,776
Other operating departments as a percent of total hotel operating revenue	2.50%	2.50%	2.40%	2.50%
Hotel departmental expenses	$ 82,731	$ 81,750	$ 255,882	$ 247,126
Hotel departmental expenses as a percent of total hotel operating revenue	35.60%	35.70%	36.00%	36.50%