Name:	kim_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationNetOfTaxAttributableToNoncontrollingInterest
Namespace Prefix:	kim_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Face amount of financing receivable.

No definition available.

Name:	kim_FinancingReceivableFaceAmount
Namespace Prefix:	kim_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of tax expense (benefit) on gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 20
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 205
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 205
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-Name Accounting Standards Codification
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 205
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Namespace Prefix:	us-gaap_
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This element represents the aggregate cost of investments accounted for under the equity method of accounting.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 210
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-Name Accounting Standards Codification
-Section S99
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-Subparagraph (SX 210.5-02(12))
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-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Name:	us-gaap_EquityMethodInvestmentAggregateCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 976
-SubTopic 310
-Name Accounting Standards Codification
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-Subparagraph (c)
-Publisher FASB
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