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INVESTMENTS IN REAL ESTATE (Investments in Real Estate) (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Dec. 31, 2014
Properties owned, net of accumulated depreciation [Line Items]          
Real Estate Investment Property, Net $ 16,191   $ 16,191   $ 17,097
Rental income 1,400 $ 1,300 4,400 $ 3,800  
Hotel property (Savannah, Georgia) [Member]          
Properties owned, net of accumulated depreciation [Line Items]          
Real Estate Investment Property, Net 9,922   9,922   10,110
Office building (Philadelphia, Pennsylvania) [Member]          
Properties owned, net of accumulated depreciation [Line Items]          
Real Estate Investment Property, Net 894   894   888
Total Properties Owned [Member]          
Properties owned, net of accumulated depreciation [Line Items]          
Real Estate Investment Property, Net 10,816   10,816   10,998
Accumulated Depreciation 9,606   9,606   9,198
Partnerships and other investments [Member]          
Properties owned, net of accumulated depreciation [Line Items]          
Real Estate Investment Property, Net $ 5,375   $ 5,375   $ 6,099