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Summary of Investments in Real Estate (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2013
Building
Dec. 31, 2013
Furniture, fixtures and equipment
Minimum
Dec. 31, 2013
Furniture, fixtures and equipment
Maximum
Real Estate Properties [Line Items]            
Land $ 37,418 $ 30,168        
Building 149,657 121,390        
Furniture, fixtures and equipment 3,021 2,007        
Total investment in real estate 190,096 153,565        
Accumulated depreciation (15,775) (12,283) (9,304)      
Investments in real estate, net $ 174,321 $ 141,282        
Depreciable Lives       40 years 5 years 10 years