Quarterly report pursuant to Section 13 or 15(d)

Developments of Consolidated Outlet Centers (Narrative) (Details)

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Developments of Consolidated Outlet Centers (Narrative) (Details)
ft² in Thousands, $ in Thousands
1 Months Ended 3 Months Ended
Sep. 30, 2016
USD ($)
Mar. 31, 2017
USD ($)
ft²
Mar. 31, 2016
USD ($)
Jul. 31, 2016
ft²
Real Estate Inventory, Capitalized Interest Costs Incurred | $   $ 492 $ 482  
Lancaster [Member]        
Square Feet | ft²   123   123
Fort Worth [Member]        
Payments to acquire land | $ $ 11,200      
Square Feet | ft²   352