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Real Estate Investments (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Dec. 31, 2015
Schedule of Investments [Line Items]    
Land $ 17,297 $ 17,297
Buildings and improvements 57,262 57,015
Intangibles 329 329
Subtotal 74,888 74,641
Less accumulated depreciation and amortization 13,599 13,207
Total $ 61,289 $ 61,434
Minimum    
Schedule of Investments [Line Items]    
Estimated useful life 5 years  
Maximum    
Schedule of Investments [Line Items]    
Estimated useful life 39 years