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Organization (Details) ft² in Millions	12 Months Ended
	Dec. 31, 2020 ft² property	Dec. 31, 2019 ft² property
Organization [Line Items]
Area of real estate property (in square feet) | ft²	17.3	17.4
General Partner Units
Organization [Line Items]
General partner, ownership interest (as percent)	97.10%
Kite Realty Group, LP
Organization [Line Items]
Limited partner, ownership interest (as percent)	2.90%
Operating and Redevelopment Properties
Organization [Line Items]
Number of real estate properties	90	90
Operating and Redevelopment Properties | Consolidated Entities
Organization [Line Items]
Number of real estate properties	87	87
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	2	1

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

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Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

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