Summary of Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended		9 Months Ended		9 Months Ended				12 Months Ended	9 Months Ended		12 Months Ended	9 Months Ended
	May 31, 2012	Sep. 30, 2013 hotel property	Sep. 30, 2012 Marriott	Sep. 30, 2013 Marriott hotel	Sep. 30, 2013 Land improvements	Sep. 30, 2013 Buildings improvements	Sep. 30, 2013 Buildings	Sep. 30, 2013 Minimum	Dec. 31, 2012 Minimum Marriott	Sep. 30, 2013 Minimum Furniture, fixtures and equipment	Sep. 30, 2013 Maximum	Dec. 31, 2012 Maximum Marriott	Sep. 30, 2013 Maximum Furniture, fixtures and equipment
Reporting Periods
Number of properties owned		149		5
Number of days of results of operations for Marriott-managed hotels included in the period			273 days						364 days			371 days
Revenue Recognition
Incentive payment received	$ 4.0
Revenue to be recognized		$ 3.8
Investment in Hotel and Other Properties
Estimated useful lives					15 years	15 years	40 years			3 years			5 years
Franchise Agreements
Number of hotel properties operated under franchise agreements		142
Term of franchise agreements								10 years			30 years
Royalty fee as a percentage of room revenue								3.00%			6.00%
Additional fees for marketing, central reservation systems and other franchisor costs as a percentage of room revenue								1.00%			4.30%
Royalty fee as a percentage of food and beverage revenues								2.00%			3.00%