Summary of Significant Accounting Policies - Investment in Hotels and Hotels Held for Sale (Details)	12 Months Ended
	Dec. 31, 2012 Buildings	Dec. 31, 2012 Minimum [Member] Building improvements	Dec. 31, 2012 Minimum [Member] Furniture, fixtures and equipment	Dec. 31, 2012 Maximum [Member] Building improvements	Dec. 31, 2012 Maximum [Member] Furniture, fixtures and equipment	Dec. 31, 2012 Hotels Designated as Held for Sale [Member] Hotels	Dec. 31, 2011 Hotels Designated as Held for Sale [Member] Hotels
Property, Plant and Equipment [Line Items]
Number of hotels (in hotels)						0	0
Estimated property useful life	40 years	15 years	3 years	30 years	10 years