Annual report pursuant to Section 13 and 15(d)

Development of Rental Properties - Redevelopment of Existing Outlet Centers (Details)

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Development of Rental Properties - Redevelopment of Existing Outlet Centers (Details) (USD $)
3 Months Ended 12 Months Ended
Dec. 31, 2011
SquareFeet
Dec. 31, 2010
Dec. 31, 2011
SquareFeet
Dec. 31, 2010
Dec. 31, 2009
Redevelopment of Rental Properties [Line Items]          
Interest Costs Incurred, Capitalized     $ 393,000 $ 1,500,000 $ 300,000
Square Footage of Center Under Redevelopment 177,000   177,000    
Outlet Center Occupancy Percentage 99.00%   99.00%    
Construction Commitments 1,800,000   1,800,000    
Asset Impairment Charges     900,000 1,000,000  
Net Proceeds from Land Outparcel Sales $ 0 $ 602,000   $ 0 $ 1,577,000
Hilton Head I [Member]
         
Redevelopment of Rental Properties [Line Items]          
Outlet Center Occupancy Percentage 98.00%   98.00%