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Real Estate Properties ( Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended 1 Months Ended
Jun. 30, 2011
Jun. 30, 2011
Hotels
Jul. 31, 2011
Hotels
Holiday Inn hotel in Memphis, Tennessee
Jun. 30, 2011
Travel centers
Real estate properties        
Number of management agreements or leases 11      
Number of properties owned 474 289   185
Number of properties classified as held for sale   25    
Net proceeds from sale of real estate     $ 6,905  
Improvements to certain of entity's properties 42,398      
Increase in annual minimum returns and rents $ 3,678      
Number of properties sold that were classified as held for sale     1