{
"instance": {
"kim20210205_8k.htm": {
"axisCustom": 0,
"axisStandard": 1,
"contextCount": 4,
"dts": {
"definitionLink": {
"local": [
"kim-20210204_def.xml"
],
"remote": [
"http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-eedm-def-2020-01-31.xml",
"http://xbrl.fasb.org/srt/2020/elts/srt-eedm1-def-2020-01-31.xml"
]
},
"inline": {
"local": [
"kim20210205_8k.htm"
]
},
"labelLink": {
"local": [
"kim-20210204_lab.xml"
],
"remote": [
"https://xbrl.sec.gov/dei/2020/dei-doc-2020-01-31.xml"
]
},
"presentationLink": {
"local": [
"kim-20210204_pre.xml"
]
},
"referenceLink": {
"remote": [
"https://xbrl.sec.gov/dei/2020/dei-ref-2020-01-31.xml"
]
},
"schema": {
"local": [
"kim-20210204.xsd"
],
"remote": [
"http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
"http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
"http://www.xbrl.org/2003/xl-2003-12-31.xsd",
"http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
"http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd",
"http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd",
"https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd",
"http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd",
"http://www.xbrl.org/2005/xbrldt-2005.xsd",
"https://xbrl.sec.gov/dei/2020/dei-2020-01-31.xsd",
"https://xbrl.sec.gov/country/2020/country-2020-01-31.xsd",
"http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd",
"https://xbrl.sec.gov/currency/2020/currency-2020-01-31.xsd",
"https://xbrl.sec.gov/exch/2020/exch-2020-01-31.xsd",
"http://www.xbrl.org/lrr/role/net-2009-12-16.xsd",
"http://xbrl.fasb.org/us-gaap/2020/elts/us-gaap-2020-01-31.xsd",
"http://xbrl.fasb.org/us-gaap/2020/elts/us-roles-2020-01-31.xsd",
"http://xbrl.fasb.org/srt/2020/elts/srt-2020-01-31.xsd",
"http://www.xbrl.org/2006/ref-2006-02-27.xsd",
"http://xbrl.fasb.org/srt/2020/elts/srt-types-2020-01-31.xsd",
"http://xbrl.fasb.org/srt/2020/elts/srt-roles-2020-01-31.xsd",
"http://xbrl.fasb.org/us-gaap/2020/elts/us-types-2020-01-31.xsd",
"http://www.xbrl.org/lrr/role/deprecated-2009-12-16.xsd"
]
}
},
"elementCount": 32,
"entityCount": 1,
"hidden": {
"http://xbrl.sec.gov/dei/2020-01-31": 2,
"total": 2
},
"keyCustom": 0,
"keyStandard": 96,
"memberCustom": 3,
"memberStandard": 0,
"nsprefix": "kim",
"nsuri": "http://www.kim.com/20210204",
"report": {
"R1": {
"firstAnchor": {
"ancestors": [
"div",
"body",
"html"
],
"baseRef": "kim20210205_8k.htm",
"contextRef": "d20218K",
"decimals": null,
"first": true,
"lang": "en-US",
"name": "dei:EntityRegistrantName",
"reportCount": 1,
"unique": true,
"unitRef": null,
"xsiNil": "false"
},
"groupType": "document",
"isDefault": "true",
"longName": "000 - Document - Document And Entity Information",
"role": "http://www.kim.com/20210204/role/statement-document-and-entity-information",
"shortName": "Document And Entity Information",
"subGroupType": "",
"uniqueAnchor": {
"ancestors": [
"div",
"body",
"html"
],
"baseRef": "kim20210205_8k.htm",
"contextRef": "d20218K",
"decimals": null,
"first": true,
"lang": "en-US",
"name": "dei:EntityRegistrantName",
"reportCount": 1,
"unique": true,
"unitRef": null,
"xsiNil": "false"
}
}
},
"segmentCount": 3,
"tag": {
"dei_AmendmentFlag": {
"auth_ref": [
],
"lang": {
"en-us": {
"role": {
"documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.",
"label": "Amendment Flag"
}
}
},
"localname": "AmendmentFlag",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "booleanItemType"
},
"dei_CityAreaCode": {
"auth_ref": [
],
"lang": {
"en-us": {
"role": {
"documentation": "Area code of city",
"label": "City Area Code"
}
}
},
"localname": "CityAreaCode",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "normalizedStringItemType"
},
"dei_DocumentInformationLineItems": {
"auth_ref": [
],
"lang": {
"en-us": {
"role": {
"documentation": "Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.",
"label": "Document Information [Line Items]"
}
}
},
"localname": "DocumentInformationLineItems",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "stringItemType"
},
"dei_DocumentInformationTable": {
"auth_ref": [
],
"lang": {
"en-us": {
"role": {
"documentation": "Container to support the formal attachment of each official or unofficial, public or private document as part of a submission package.",
"label": "Document Information [Table]"
}
}
},
"localname": "DocumentInformationTable",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"xbrltype": "stringItemType"
},
"dei_DocumentPeriodEndDate": {
"auth_ref": [
],
"lang": {
"en-us": {
"role": {
"documentation": "The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is YYYY-MM-DD.",
"label": "Document, Period End Date"
}
}
},
"localname": "DocumentPeriodEndDate",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "dateItemType"
},
"dei_DocumentType": {
"auth_ref": [
],
"lang": {
"en-us": {
"role": {
"documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.",
"label": "Document, Type"
}
}
},
"localname": "DocumentType",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "submissionTypeItemType"
},
"dei_EntityAddressAddressLine1": {
"auth_ref": [
],
"lang": {
"en-us": {
"role": {
"documentation": "Address Line 1 such as Attn, Building Name, Street Name",
"label": "Entity, Address, Address Line One"
}
}
},
"localname": "EntityAddressAddressLine1",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "normalizedStringItemType"
},
"dei_EntityAddressAddressLine2": {
"auth_ref": [
],
"lang": {
"en-us": {
"role": {
"documentation": "Address Line 2 such as Street or Suite number",
"label": "Entity, Address, Address Line Two"
}
}
},
"localname": "EntityAddressAddressLine2",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "normalizedStringItemType"
},
"dei_EntityAddressCityOrTown": {
"auth_ref": [
],
"lang": {
"en-us": {
"role": {
"documentation": "Name of the City or Town",
"label": "Entity, Address, City or Town"
}
}
},
"localname": "EntityAddressCityOrTown",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "normalizedStringItemType"
},
"dei_EntityAddressPostalZipCode": {
"auth_ref": [
],
"lang": {
"en-us": {
"role": {
"documentation": "Code for the postal or zip code",
"label": "Entity, Address, Postal Zip Code"
}
}
},
"localname": "EntityAddressPostalZipCode",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "normalizedStringItemType"
},
"dei_EntityAddressStateOrProvince": {
"auth_ref": [
],
"lang": {
"en-us": {
"role": {
"documentation": "Name of the state or province.",
"label": "Entity, Address, State or Province"
}
}
},
"localname": "EntityAddressStateOrProvince",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "stateOrProvinceItemType"
},
"dei_EntityCentralIndexKey": {
"auth_ref": [
"r5"
],
"lang": {
"en-us": {
"role": {
"documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.",
"label": "Entity, Central Index Key"
}
}
},
"localname": "EntityCentralIndexKey",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "centralIndexKeyItemType"
},
"dei_EntityDomain": {
"auth_ref": [
],
"lang": {
"en-us": {
"role": {
"documentation": "All the names of the entities being reported upon in a document. Any legal structure used to conduct activities or to hold assets. Some examples of such structures are corporations, partnerships, limited liability companies, grantor trusts, and other trusts. This item does not include business and geographical segments which are included in the geographical or business segments domains.",
"label": "Entity [Domain]"
}
}
},
"localname": "EntityDomain",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "domainItemType"
},
"dei_EntityEmergingGrowthCompany": {
"auth_ref": [
"r5"
],
"lang": {
"en-us": {
"role": {
"documentation": "Indicate if registrant meets the emerging growth company criteria.",
"label": "Entity, Emerging Growth Company"
}
}
},
"localname": "EntityEmergingGrowthCompany",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "booleanItemType"
},
"dei_EntityFileNumber": {
"auth_ref": [
],
"lang": {
"en-us": {
"role": {
"documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.",
"label": "Entity, File Number"
}
}
},
"localname": "EntityFileNumber",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "fileNumberItemType"
},
"dei_EntityIncorporationStateCountryCode": {
"auth_ref": [
],
"lang": {
"en-us": {
"role": {
"documentation": "Two-character EDGAR code representing the state or country of incorporation.",
"label": "Entity, Incorporation, State or Country Code"
}
}
},
"localname": "EntityIncorporationStateCountryCode",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "edgarStateCountryItemType"
},
"dei_EntityRegistrantName": {
"auth_ref": [
"r5"
],
"lang": {
"en-us": {
"role": {
"documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.",
"label": "Entity, Registrant Name"
}
}
},
"localname": "EntityRegistrantName",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "normalizedStringItemType"
},
"dei_EntityTaxIdentificationNumber": {
"auth_ref": [
"r5"
],
"lang": {
"en-us": {
"role": {
"documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.",
"label": "Entity, Tax Identification Number"
}
}
},
"localname": "EntityTaxIdentificationNumber",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "employerIdItemType"
},
"dei_LegalEntityAxis": {
"auth_ref": [
],
"lang": {
"en-us": {
"role": {
"documentation": "The set of legal entities associated with a report.",
"label": "Legal Entity [Axis]"
}
}
},
"localname": "LegalEntityAxis",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "stringItemType"
},
"dei_LocalPhoneNumber": {
"auth_ref": [
],
"lang": {
"en-us": {
"role": {
"documentation": "Local phone number for entity.",
"label": "Local Phone Number"
}
}
},
"localname": "LocalPhoneNumber",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "normalizedStringItemType"
},
"dei_PreCommencementIssuerTenderOffer": {
"auth_ref": [
"r2"
],
"lang": {
"en-us": {
"role": {
"documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.",
"label": "Pre-commencement Issuer Tender Offer"
}
}
},
"localname": "PreCommencementIssuerTenderOffer",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "booleanItemType"
},
"dei_PreCommencementTenderOffer": {
"auth_ref": [
"r3"
],
"lang": {
"en-us": {
"role": {
"documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.",
"label": "Pre-commencement Tender Offer"
}
}
},
"localname": "PreCommencementTenderOffer",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "booleanItemType"
},
"dei_Security12bTitle": {
"auth_ref": [
"r0"
],
"lang": {
"en-us": {
"role": {
"documentation": "Title of a 12(b) registered security.",
"label": "Title of 12(b) Security"
}
}
},
"localname": "Security12bTitle",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "securityTitleItemType"
},
"dei_SecurityExchangeName": {
"auth_ref": [
"r1"
],
"lang": {
"en-us": {
"role": {
"documentation": "Name of the Exchange on which a security is registered.",
"label": "Security Exchange Name"
}
}
},
"localname": "SecurityExchangeName",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "edgarExchangeCodeItemType"
},
"dei_SolicitingMaterial": {
"auth_ref": [
"r4"
],
"lang": {
"en-us": {
"role": {
"documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.",
"label": "Soliciting Material"
}
}
},
"localname": "SolicitingMaterial",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "booleanItemType"
},
"dei_TradingSymbol": {
"auth_ref": [
],
"lang": {
"en-us": {
"role": {
"documentation": "Trading symbol of an instrument as listed on an exchange.",
"label": "Trading Symbol"
}
}
},
"localname": "TradingSymbol",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "tradingSymbolItemType"
},
"dei_WrittenCommunications": {
"auth_ref": [
"r6"
],
"lang": {
"en-us": {
"role": {
"documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.",
"label": "Written Communications"
}
}
},
"localname": "WrittenCommunications",
"nsuri": "http://xbrl.sec.gov/dei/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "booleanItemType"
},
"kim_CommonStockCustomMember": {
"auth_ref": [
],
"lang": {
"en-us": {
"role": {
"label": "CommonStock Custom [Member]"
}
}
},
"localname": "CommonStockCustomMember",
"nsuri": "http://www.kim.com/20210204",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "domainItemType"
},
"kim_DepositarySharesEachRepresentingOnethousandthOfAShareOf5125ClassLCumulativeRedeemablePreferredStockCustomMember": {
"auth_ref": [
],
"lang": {
"en-us": {
"role": {
"label": "DepositarySharesEachRepresentingOnethousandthOfAShareOf5125ClassLCumulativeRedeemablePreferredStock Custom [Member]"
}
}
},
"localname": "DepositarySharesEachRepresentingOnethousandthOfAShareOf5125ClassLCumulativeRedeemablePreferredStockCustomMember",
"nsuri": "http://www.kim.com/20210204",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "domainItemType"
},
"kim_DepositarySharesEachRepresentingOnethousandthOfAShareOf5250ClassMCumulativeRedeemablePreferredStockCustomMember": {
"auth_ref": [
],
"lang": {
"en-us": {
"role": {
"label": "DepositarySharesEachRepresentingOnethousandthOfAShareOf5250ClassMCumulativeRedeemablePreferredStock Custom [Member]"
}
}
},
"localname": "DepositarySharesEachRepresentingOnethousandthOfAShareOf5250ClassMCumulativeRedeemablePreferredStockCustomMember",
"nsuri": "http://www.kim.com/20210204",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "domainItemType"
},
"us-gaap_ClassOfStockDomain": {
"auth_ref": [
],
"lang": {
"en-us": {
"role": {
"label": "Class of Stock [Domain]"
}
}
},
"localname": "ClassOfStockDomain",
"nsuri": "http://fasb.org/us-gaap/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "domainItemType"
},
"us-gaap_StatementClassOfStockAxis": {
"auth_ref": [
],
"lang": {
"en-us": {
"role": {
"label": "Class of Stock [Axis]"
}
}
},
"localname": "StatementClassOfStockAxis",
"nsuri": "http://fasb.org/us-gaap/2020-01-31",
"presentation": [
"http://www.kim.com/20210204/role/statement-document-and-entity-information"
],
"xbrltype": "stringItemType"
}
},
"unitCount": 0
}
},
"std_ref": {
"r0": {
"Name": "Exchange Act",
"Number": "240",
"Publisher": "SEC",
"Section": "12",
"Subsection": "b"
},
"r1": {
"Name": "Exchange Act",
"Number": "240",
"Publisher": "SEC",
"Section": "12",
"Subsection": "d1-1"
},
"r2": {
"Name": "Exchange Act",
"Number": "240",
"Publisher": "SEC",
"Section": "13e",
"Subsection": "4c"
},
"r3": {
"Name": "Exchange Act",
"Number": "240",
"Publisher": "SEC",
"Section": "14d",
"Subsection": "2b"
},
"r4": {
"Name": "Exchange Act",
"Number": "240",
"Publisher": "SEC",
"Section": "14a",
"Subsection": "12"
},
"r5": {
"Name": "Regulation 12B",
"Number": "240",
"Publisher": "SEC",
"Section": "12",
"Subsection": "b-2"
},
"r6": {
"Name": "Securities Act",
"Number": "230",
"Publisher": "SEC",
"Section": "425"
}
},
"version": "2.1"
} |
