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Schedule III - Real Estate and Accumulated Depreciation - Life Used for Depreciation (Details) - Buildings and Building Improvements Held for Investment [Member] | 12 Months Ended
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Dec. 31, 2022
Minimum [Member] |
Buildings and building improvements (in years) (Year) | 5 years
Maximum [Member] |
Buildings and building improvements (in years) (Year) | 50 years

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- Definition Useful life on which depreciation was computed for entities with a substantial portion of business acquiring and holding investment real estate, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 970 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28(Column I)) -URI https://asc.fasb.org/extlink&oid=120402810&loc=d3e638233-123024 + Details
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Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=kim_BuildingsAndBuildingImprovementsHeldForInvestmentsMember
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- Details
Name: | srt_RangeAxis=srt_MinimumMember
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Data Type: | na
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- Details
Name: | srt_RangeAxis=srt_MaximumMember
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Data Type: | na
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