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SUBSEQUENT EVENTS (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
1 Months Ended 3 Months Ended 0 Months Ended
Sep. 03, 2014
Preferred Series A [Member]
Sep. 03, 2014
Preferred Series B [Member]
Sep. 03, 2014
Common Shares and Limited Partnership Units [Member]
Jul. 31, 2014
Subsequent Event [Member]
Kalispell, Montana, retail property [Member]
Jul. 31, 2014
Subsequent Event [Member]
Multi Family Residential [Member]
Chateau Apartment Conversion, Fire [Member]
Aug. 29, 2014
Subsequent Event [Member]
Commercial Office [Member]
Wirth Corporate Center Golden Valley MN [Member]
Subsequent Event [Line Items]            
Quarterly amount per share or unit (in dollars per share) $ 0.5156 $ 0.4968 $ 0.1300      
Record date Sep. 15, 2014 Sep. 15, 2014 Sep. 15, 2014      
Payment date Sep. 30, 2014 Sep. 30, 2014 Oct. 01, 2014      
Sales Price of Property Disposed           $ 4.5
Sale amount of pending disposition       1.9    
Insurance proceeds received for redevelopment         $ 4.0