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Fair Value Measurements (Quantitative Information Regarding Level 3 Assets Measured At Fair Value On Non-recurring Basis) (Details) (USD $)
 12 Months Ended 12 Months Ended
Dec. 31, 2013
property
Dec. 31, 2012
Dec. 31, 2013
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2012
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2013
Operating retail real estate [Member]
Fair Value, Inputs, Level 3 [Member]
property
Dec. 31, 2013
Operating retail real estate [Member]
Fair Value, Inputs, Level 3 [Member]
Discounted Cash Flow Valuation Technique [Member]
Minimum [Member]
Dec. 31, 2013
Operating retail real estate [Member]
Fair Value, Inputs, Level 3 [Member]
Discounted Cash Flow Valuation Technique [Member]
Maximum [Member]
Dec. 31, 2013
Operating retail real estate [Member]
Fair Value, Inputs, Level 3 [Member]
Discounted Cash Flow Valuation Technique [Member]
Weighted Average [Member]
Dec. 31, 2013
Land Development Property [Member]
Discounted Cash Flow Valuation Technique [Member]
Dec. 31, 2013
Land Development Property [Member]
Fair Value, Inputs, Level 3 [Member]
Dec. 31, 2013
Land [Member]
Fair Value, Inputs, Level 3 [Member]
item
Dec. 31, 2013
Land [Member]
Fair Value, Inputs, Level 3 [Member]
Sales Comparison Approach Valuation Technique [Member]
Minimum [Member]
Dec. 31, 2013
Land [Member]
Fair Value, Inputs, Level 3 [Member]
Sales Comparison Approach Valuation Technique [Member]
Maximum [Member]
Dec. 31, 2013
Land [Member]
Fair Value, Inputs, Level 3 [Member]
Sales Comparison Approach Valuation Technique [Member]
Weighted Average [Member]
Fair Value Inputs, Assets, Quantitative Information [Line Items]                            
Real estate held for sale/conveyance $ 81,854,000 $ 77,793,000 $ 81,854,000 $ 62,219,000 $ 70,217,000         $ 10,211,000 $ 1,426,000      
Capitalization rates           7.80% 11.00% 8.20% 7.30%          
Discount rates           9.20% 11.60% 9.30% 7.80%          
Price per acre                       23,000 139,000 44,000
Number of parcels of land                     3      
Number of properties 65       6