Subsequent Events (Details) (USD $)	12 Months Ended			0 Months Ended		12 Months Ended			0 Months Ended	12 Months Ended	0 Months Ended	12 Months Ended	0 Months Ended	12 Months Ended
	Dec. 31, 2012 GuestRooms	Dec. 31, 2011	Dec. 31, 2010	Jan. 29, 2013 Embassy Suites San Diego [Member] GuestRooms	Jan. 31, 2013 Restricted Stock [Member]	Dec. 31, 2012 Restricted Stock [Member]	Dec. 31, 2011 Restricted Stock [Member]	Dec. 31, 2010 Restricted Stock [Member]	Jan. 31, 2013 Restricted Stock [Member] Maximum [Member]	Dec. 31, 2012 Restricted Stock [Member] Maximum [Member]	Jan. 31, 2013 Restricted Stock [Member] Minimum [Member]	Dec. 31, 2012 Restricted Stock [Member] Minimum [Member]	Jan. 31, 2013 Performance Shares [Member]	Dec. 31, 2012 Performance Shares [Member]
Subsequent Event [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period									5 years	5 years	3 years	3 years		3 years
Subsequent Events (Textual) [Abstract]
Total number of guest rooms	4,615			337
Acquisition price				$ 112,500,000
Acquisition, cash paid				45,700,000
Loans Assumed	$ 27,175,000	$ 42,000,000	$ 91,070,000	$ 66,800,000
Share-based equity award grant					59,245	52,545	79,330	70,110					72,118