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Acquisitions and Disposition (Details 3) - Medical Building
$ in Thousands
Jul. 31, 2015
USD ($)
ft²
Mar. 26, 2015
USD ($)
ft²
Acquisitions and Disposition    
Area of property (in square feet) | ft² 26,783 20,329
Proceeds from sale of building $ 1,500 $ 1,600
Loss on sale of buildings $ (100) $ 15