Taxes, Insurance and Lease Expense (Schedule of Taxes, Insurance and Lease Expense) (Details) (USD $)	3 Months Ended				6 Months Ended
	Jun. 30, 2012 Hotels		Jun. 30, 2011		Jun. 30, 2012 Hotels		Jun. 30, 2011
Taxes, Insurance and Lease Expense [Line Items]
Real estate and other taxes	$ 8,161,000		$ 7,123,000		$ 16,448,000		$ 14,040,000
Property insurance, general liability insurance and other	2,993,000		2,036,000		5,440,000		4,393,000
Total taxes, insurance and lease expense	25,192,000		22,341,000		47,505,000		42,119,000
Number of hotels (in hotels)	70				70
Hotel Lease [Member]
Taxes, Insurance and Lease Expense [Line Items]
Hotel lease expense	11,236,000	[1]	10,497,000	[1]	20,429,000	[1]	18,801,000	[1]
Percentage rent	5,800,000		5,100,000		9,600,000		8,000,000
Land Lease [Member]
Taxes, Insurance and Lease Expense [Line Items]
Hotel lease expense	2,802,000	[2]	2,685,000	[2]	5,188,000	[2]	4,885,000	[2]
Percentage rent	$ 1,500,000		$ 1,200,000		$ 2,400,000		$ 1,900,000
Twelve Hotels [Member] | Forty-Nine Percent Owned by Non-Controlling Interest [Member] | Unconsolidated Properties (Lessor) and Consolidated Operations (Lessee) [Member]
Taxes, Insurance and Lease Expense [Line Items]
Number of hotels (in hotels)	12				12
Ownership percentage of lessee	49.00%				49.00%
Equity method ownership percentage of lessor	50.00%				50.00%

[1] Hotel lease expense is recorded by the consolidated operating lessees of 12 hotels owned by unconsolidated entities, and is partially (generally 49%) offset through noncontrolling interests in other partnerships. Our 50% share of the corresponding lease income is recorded through equity in income from unconsolidated entities. Hotel lease expense includes percentage rent of $5.8 million and $5.1 million for the three months ended June 30, 2012 and 2011, respectively, and $9.6 million and $8.0 million for the six months ended June 30, 2012 and 2011, respectively.

[2] Land lease expense includes percentage rent of $1.5 million and $1.2 million for the three months ended June 30, 2012 and 2011, respectively, and $2.4 million and $1.9 million for the six months ended June 30, 2012 and 2011, respectively.