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Organization (Details)
ft² in Millions
12 Months Ended
Dec. 31, 2019
ft²
property
Dec. 31, 2018
ft²
property
Organization [Line Items]    
General partner, ownership interest (as percent) 97.50%  
Area of real estate property (in square feet) | ft² 17.4 21.9
Operating and Redevelopment Properties    
Organization [Line Items]    
Number of real estate properties 90 111
Operating and Redevelopment Properties | Consolidated Entities    
Organization [Line Items]    
Number of real estate properties 87 108
Operating and Redevelopment Properties | Equity Method Investee    
Organization [Line Items]    
Number of real estate properties 3 3
Under Construction Development Properties    
Organization [Line Items]    
Number of real estate properties 1 1
Kite Realty Group, LP    
Organization [Line Items]    
Limited partner, ownership interest (as percent) 2.50%