Organization and Description of Business (Details)												12 Months Ended	1 Months Ended
	Dec. 31, 2011 Hotel	Dec. 31, 2010 Hotel	Dec. 31, 2009 Hotel	Dec. 31, 2011 Marriott Hotel	Dec. 31, 2011 Interstate Hotels & Resorts, Inc Hotel	Dec. 31, 2011 Highgate Hotels Hotel	Dec. 31, 2011 Hilton Worldwide Hotel	Dec. 31, 2011 Davidson Hotels & Resorts Hotel	Dec. 31, 2011 Fairmont Hotels & Resorts (U.S.) Hotel	Dec. 31, 2011 Hyatt Corporation Hotel	Dec. 31, 2011 Sage Hospitality Resources Hotel	Dec. 31, 2011 Sunstone Hotel Partnership, LLC	Jan. 31, 2011 BuyEfficient, LLC
Organization and Description of Business
Controlling interest owned (as a percent)												100.00%	100.00%
Number of hotels company had interests in	32	32	32
Number of hotels managed by third parties				13	11	2	2	1	1	1	1