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Significant Accounting Policies (Narratives) (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Property, Plant and Equipment [Line Items]        
Impairments $ (358,000) $ 0 $ (358,000) $ 0
Amortization of above and below Market Leases 120,000 106,000 353,000 195,000
Amortization of Intangible Assets 150,000 109,000 456,000 293,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount     1,360,096 974,292
Building and Building Improvements [Member]
       
Property, Plant and Equipment [Line Items]        
Real Estate Accumulated Depreciation, Depreciation Expense $ 847,000 $ 907,000 $ 2,826,000 $ 2,645,000
Building and Building Improvements [Member] | Minimum [Member]
       
Property, Plant and Equipment [Line Items]        
Property, Plant and Equipment, Useful Life     30 years  
Building and Building Improvements [Member] | Maximum [Member]
       
Property, Plant and Equipment [Line Items]        
Property, Plant and Equipment, Useful Life     55 years  
Assets Leased to Others [Member] | Minimum [Member]
       
Property, Plant and Equipment [Line Items]        
Property, Plant and Equipment, Useful Life     1 year  
Assets Leased to Others [Member] | Maximum [Member]
       
Property, Plant and Equipment [Line Items]        
Property, Plant and Equipment, Useful Life     10 years  
Furniture and Fixtures [Member] | Minimum [Member]
       
Property, Plant and Equipment [Line Items]        
Property, Plant and Equipment, Useful Life     4 years  
Furniture and Fixtures [Member] | Maximum [Member]
       
Property, Plant and Equipment [Line Items]        
Property, Plant and Equipment, Useful Life     5 years