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Subsequent Events (Details Textual) (Subsequent Event [Member], Petoskey Town Center [Member], USD $)
9 Months Ended
Sep. 30, 2014
sqft
Subsequent Event [Member] | Petoskey Town Center [Member]
 
Subsequent Event [Line Items]  
Proceeds from Sale of Real Estate $ 5,100,000
Area of Real Estate Property 174,870