Organization (Details) ft² in Millions	12 Months Ended
	Dec. 31, 2018 ft² property	Dec. 31, 2017 ft² property
Organization [Line Items]
General partner, ownership interest (as percent)	97.60%
Number of real estate properties (in properties)	6
Area of real estate property (in square feet) | ft²	21.9	23.3
Operating and Redevelopment Properties
Organization [Line Items]
Number of real estate properties (in properties)	111	117
Operating and Redevelopment Properties | Consolidated Entities
Organization [Line Items]
Number of real estate properties (in properties)	108
Operating and Redevelopment Properties | Equity Method Investee
Organization [Line Items]
Number of real estate properties (in properties)	3
Under Construction Development Properties
Organization [Line Items]
Number of real estate properties (in properties)	1	2
Kite Realty Group, LP
Organization [Line Items]
Limited partner, ownership interest (as percent)	2.40%