Real Estate Properties (Details)	3 Months Ended	0 Months Ended			1 Months Ended
	Mar. 31, 2013 USD ($) item Property	Feb. 27, 2013 NHH USD ($) Property	Feb. 27, 2013 NHH EUR (€) Property	Jan. 31, 2013 Royal Sonesta Hotel USD ($)	Jan. 31, 2013 Full service hotel in Atlanta, GA Property	Mar. 31, 2013 Hotels Property	Mar. 31, 2013 Travel centers Property
Real estate properties
Number of properties owned	473					288	185
Number of management agreements or leases	11
Number of hotels leased	1
Funded real estate improvements	$ 64,475,000
Increase in annual minimum returns and rents	5,287,000
Number of rooms					426
Purchase price		70,000,000		29,700,000
Loan secured by real estate property investment			170,000,000
Number of European hotels by which mortgage loans are secured		4	4
Number of hotels to be purchased under the agreement		5	5
Amount of investment in hotels		$ 80,000,000