Represents the amount of cash paid to noncontrolling interests during the period in order to settle capital units.

No definition available.

Name:	kim_CashPaidToNoncontrollingInterestsToSettleCapitalUnits
Namespace Prefix:	kim_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of financial liabilities attributable to disposal group held for sale or disposed of.

+ References

No definition available.

+ Details

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

- Definition

The cumulative par value for non-controlling interest.

+ References

No definition available.

+ Details

Name:	kim_NonControllingInterestCumulativeParValue
Namespace Prefix:	kim_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The par value of non-controlling interest.

+ References

No definition available.

+ Details

Name:	kim_NonControllingInterestParValue
Namespace Prefix:	kim_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	instant

- Definition

Number of non-controlling interest units.

+ References

No definition available.

+ Details

Name:	kim_NonControllingInterestUnits
Namespace Prefix:	kim_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of non-controlling units redeemed during the period.

+ References

No definition available.

+ Details

Name:	kim_NonControllingInterestUnitsRedeemed
Namespace Prefix:	kim_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of noncontrolling interest share of impairment.

+ References

No definition available.

+ Details

Name:	kim_NoncontrollingInterestImpairmentSharesAmount
Namespace Prefix:	kim_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The number of units issued in connection to non-controlling interest.

+ References

No definition available.

+ Details

Name:	kim_NoncontrollingInterestUnitsIssued
Namespace Prefix:	kim_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount received from disposal of properties attributable to noncontrolling interest.

+ References

No definition available.

+ Details

Name:	kim_NoncontrollingInterestsAmountReceivedFromDisposalOfProperties
Namespace Prefix:	kim_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Represents number of operating properties acquired during the period.

+ References

No definition available.

+ Details

Name:	kim_NumberOfOperatingPropertiesAcquired
Namespace Prefix:	kim_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of properties held in consolidated joint venture.

+ References

No definition available.

+ Details

Name:	kim_NumberOfPropertiesHeldInConsolidatedJointVenture
Namespace Prefix:	kim_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Ratio of redeemable units given to noncontrolling interests that entitle these entities to the company's common stock.

+ References

No definition available.

+ Details

Name:	kim_RedeemableUnitsToCompanyCommonStockRatio
Namespace Prefix:	kim_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

The number of shares issued during the period for redemption or conversion of noncontrolling interests.

+ References

No definition available.

+ Details

Name:	kim_StockIssuedDuringPeriodSharesRedemptionConversionOfNoncontrollingInterests
Namespace Prefix:	kim_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482130/360-10-45-4

+ Details

Name:	us-gaap_AssetImpairmentCharges
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480434/815-10-50-4B

+ Details

Name:	us-gaap_EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of increase (decrease) in operating liabilities classified as other.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (a)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-28

+ Details

Name:	us-gaap_IncreaseDecreaseInOtherOperatingLiabilities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 810
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 23
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481231/810-10-45-23

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 45
-Paragraph 24
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481231/810-10-45-24

+ Details

Name:	us-gaap_MinorityInterestDecreaseFromRedemptions
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

Name:	us-gaap_MinorityInterestOwnershipPercentageByParent
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of increase in noncontrolling interest from subsidiary issuance of equity interests to noncontrolling interest holders.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 810
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 23
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481231/810-10-45-23

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480008/505-10-S99-1

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Subparagraph (c)(2)
-SubTopic 10
-Topic 810
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481203/810-10-50-1A

+ Details

Name:	us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfRealEstateProperties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The cash inflow from the sale of formerly productive land held for sale, anything permanently fixed to it, including buildings, structures on it, and so forth.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 230
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 12
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-12

+ Details

Name:	us-gaap_ProceedsFromSaleOfPropertyHeldForSale
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

As of the reporting date, the aggregate carrying amount of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Subparagraph (12)(c)
-Section S99
-Paragraph 3A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480244/480-10-S99-3A

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Subparagraph 14
-Paragraph 3A
-Section S99
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480244/480-10-S99-3A

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Subparagraph 15
-Paragraph 3A
-Section S99
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480244/480-10-S99-3A

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Subparagraph (16)(c)
-Paragraph 3A
-Section S99
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480244/480-10-S99-3A

+ Details

Name:	us-gaap_RedeemableNoncontrollingInterestEquityCarryingAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The aggregate fair value as of the reporting date of all noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. This item includes noncontrolling interest holder's ownership (or holders' ownership) regardless of the type of equity interest (common, preferred, other) including all potential organizational (legal) forms of the investee entity.

+ References

+ Details

Name:	us-gaap_RedeemableNoncontrollingInterestEquityFairValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=kim_PropertiesHeldInConsolidatedJointVentureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=kim_DisposalOfFiveOperatingPropertiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DisposalGroupClassificationAxis=us-gaap_DiscontinuedOperationsDisposedOfBySaleMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=kim_ConsolidatedJointVenturesStructuredAsDownREITPartnershipsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=kim_ConsolidatedJointVentureMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_BusinessAcquisitionAxis=kim_WeingartenRealtyInvestorsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=kim_RaleighLimitedPartnershipMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=kim_MadisonVillageLimitedPartnershipMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_OwnershipAxis=kim_ConsolidatedJointVenturesOtherThanDownreitPartnershipsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementEquityComponentsAxis=kim_ConvertibleUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_NonrecurringAdjustmentAxis=kim_FairMarketValueAdjustmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementEquityComponentsAxis=kim_CapitalUnitsClassBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_NoncontrollingInterestMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementEquityComponentsAxis=us-gaap_AdditionalPaidInCapitalMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=country_PR
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementEquityComponentsAxis=kim_NonconvertibleUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementEquityComponentsAxis=kim_PremiumsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementGeographicalAxis=kim_LongIslandNYMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementEquityComponentsAxis=kim_PreferredUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementEquityComponentsAxis=kim_CommonUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 15 - Noncontrolling Interests and Redeemable Noncontrolling Interests (Details Textual) $ / shares in Units, $ in Thousands		12 Months Ended
	Aug. 03, 2021 USD ($) shares	Dec. 31, 2023 USD ($) shares	Dec. 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($)	Dec. 31, 2006 USD ($) $ / shares shares
Noncontrolling Interest, Increase from Subsidiary Equity Issuance		$ 13	$ 891
Redeemable Noncontrolling Interest, Equity, Carrying Amount, Total		72,277	92,933	$ 13,480
Cash Paid to Noncontrolling Interests to Settle Capital Units		43,500
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests		21,070	209
Proceeds from Sale of Property Held-for-sale		160,064	184,294	302,841
Asset Impairment Charges, Total		14,043	$ 21,958	$ 3,597
Embedded Derivative, Fair Value of Embedded Derivative Liability		$ 30,900
Properties Held in Consolidated Joint Venture [Member]
Number of Properties Held in Consolidated Joint Venture			5
Asset Impairment Charges, Total			$ 19,000
Noncontrolling Interest, Impairment Shares Amount			15,800
Properties Held in Consolidated Joint Venture [Member] \| Disposal Of Five Operating Properties [Member] \| Discontinued Operations, Disposed of by Sale [Member]
Disposal Group, Including Discontinued Operation, Financing Liabilities			42,800
Proceeds from Sale of Property Held-for-sale			105,500
Noncontrolling Interests, Amount Received from Disposal of Properties			$ 50,300
Consolidated Joint Ventures Structured as DownREIT Partnerships [Member]
Non-controlling Interest, Units Redeemed (in shares) \| shares		174,411	73,286
Cash Paid to Noncontrolling Interests to Settle Capital Units		$ 3,000
Stock Issued During Period, Shares, Redemption/ Conversion of Noncontrolling Interests (in shares) \| shares			73,286
Non-controlling Interest, Cumulative Par Value			$ 1,700
Consolidated Joint Venture [Member]
Subsidiary, Ownership Percentage, Parent			15.00%
Weingarten Realty Investors [Member] \| Consolidated Joint Ventures Structured as DownREIT Partnerships [Member]
Redeemable Units to Company Common Stock, Ratio	1
Number of Operating Properties Acquired	2
Redeemable Noncontrolling Interest, Equity, Fair Value, Total	$ 41,700
Weingarten Realty Investors [Member] \| Raleigh Limited Partnership [Member]
Non-controlling Interest, Units (in shares) \| shares	1,813,615
Weingarten Realty Investors [Member] \| Madison Village Limited Partnership [Member]
Non-controlling Interest, Units (in shares) \| shares	174,411
Weingarten Realty Investors [Member] \| Consolidated Joint Ventures Other than DownREIT Partnerships [Member]
Redeemable Noncontrolling Interest, Equity, Fair Value, Total		34,900	$ 38,600
Convertible Units [Member]
Noncontrolling Interest, Increase from Subsidiary Equity Issuance					$ 5,300
Non-controlling Interest, Units (in shares) \| shares					138,015
Convertible Units [Member] \| Fair Market Value Adjustments [Member]
Noncontrolling Interest, Increase from Subsidiary Equity Issuance					$ 300
Capital Units, Class B [Member]
Redeemable Noncontrolling Interest, Equity, Carrying Amount, Total		$ 16,100	$ 16,100
Non-controlling Interest, Units Issued (in shares) \| shares					647,758
Non-controlling Interest, Par Value (in dollars per share) \| $ / shares					$ 37.24
Redeemable Units to Company Common Stock, Ratio					1
Non-controlling Interest, Units (in shares) \| shares		377,837	377,837
Noncontrolling Interest [Member]
Noncontrolling Interest, Increase from Subsidiary Equity Issuance		$ 13	$ 891
Noncontrolling Interest [Member] \| Consolidated Joint Ventures Structured as DownREIT Partnerships [Member]
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests		3,700	1,500
Additional Paid-in Capital [Member]
Noncontrolling Interest, Increase from Subsidiary Equity Issuance		0	0
Additional Paid-in Capital [Member] \| Consolidated Joint Ventures Structured as DownREIT Partnerships [Member]
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests		$ 700	1,500
PUERTO RICO
Number of Real Estate Properties		7
Noncontrolling Interest, Increase from Subsidiary Equity Issuance			233,000
Redeemable Noncontrolling Interest, Equity, Carrying Amount, Total			4,700
PUERTO RICO \| Fair Market Value Adjustments [Member]
Noncontrolling Interest, Increase from Subsidiary Equity Issuance			15,100
PUERTO RICO \| Non-convertible Units [Member]
Noncontrolling Interest, Increase from Subsidiary Equity Issuance		$ 158,600
PUERTO RICO \| Convertible Units [Member]
Noncontrolling Interest, Increase from Subsidiary Equity Issuance		45,800
PUERTO RICO \| Premiums [Member]
Noncontrolling Interest, Increase from Subsidiary Equity Issuance			$ 13,500
Long Island, NY [Member]
Number of Real Estate Properties			8
Noncontrolling Interest, Increase from Subsidiary Equity Issuance			$ 135,700
Cash Paid to Noncontrolling Interests to Settle Capital Units		43,500
Embedded Derivative, Fair Value of Embedded Derivative Liability			56,000
Increase (Decrease) in Other Operating Liabilities		(22,400)
Long Island, NY [Member] \| Noncontrolling Interest [Member]
Noncontrolling Interest, Increase from Subsidiary Equity Issuance			79,700
Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests		$ 21,100
Long Island, NY [Member] \| Preferred Units [Member]
Noncontrolling Interest, Increase from Subsidiary Equity Issuance			122,100
Non-controlling Interest, Units Redeemed (in shares) \| shares		2,126,527
Long Island, NY [Member] \| Common Units [Member]
Noncontrolling Interest, Increase from Subsidiary Equity Issuance			$ 13,600
Non-controlling Interest, Units Redeemed (in shares) \| shares		56,548