Debt instrument, extension period.

No definition available.

Name:	kim_DebtInstrumentExtensionPeriod
Namespace Prefix:	kim_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Debt Maturity Date

+ References

No definition available.

+ Details

Name:	kim_DebtMaturityDate
Namespace Prefix:	kim_
Data Type:	xbrli:gYearMonthItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of swap agreements

+ References

No definition available.

+ Details

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

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

+ Details

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

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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

- Definition

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.

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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

+ References

+ Details

Name:	us-gaap_DebtInstrumentMaturityDateDescription
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Indicates type of variable interest rate on debt instrument.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
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-Section 50
-Paragraph 3
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	duration

- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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

- Definition

Amount of addition (reduction) to the amount at which a liability could be incurred (settled) in a current transaction between willing parties.

+ References

No definition available.

+ Details

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

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
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+ Details

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

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 10
-Name Accounting Standards Codification
-Section S99
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+ Details

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

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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+ Details

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

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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+ Details

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

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateSwapMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=kim_SeniorUnsecuredNotes6Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=kim_UnsecuredTermLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=kim_UnsecuredTermLoanCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_VariableRateAxis=us-gaap_SecuredOvernightFinancingRateSofrMember
Namespace Prefix:
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Balance Type:
Period Type:

- Details

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Namespace Prefix:
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Balance Type:
Period Type:

- Details

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- Details

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Namespace Prefix:
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Period Type:

- Details

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Period Type:

Notes and Mortgages Payable - Additional Information (Details)	1 Months Ended		6 Months Ended
	Jun. 30, 2025 USD ($) Property	Jan. 31, 2024	Jun. 30, 2025 USD ($) Property Agreement	Feb. 28, 2023 USD ($)
Debt Instrument [Line Items]
Number of swap agreements \| Agreement			20
June 2025 Senior Unsecured Note [Member]
Debt Instrument [Line Items]
Debt instrument, face amount	$ 500,000,000		$ 500,000,000
Interest Rate	5.30%		5.30%
Maturity Date	2036-02
Interest Rate Swap [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate			0.81%
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]			SOFR [Member]
Debt instrument, face amount	$ 550,000,000		$ 550,000,000
Number of swap agreements \| Agreement			6
Senior Unsecured Notes 6 [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, effective percentage		4.11%
Maturity Date		2027-02
Unsecured Term Loans [Member]
Debt Instrument [Line Items]
Debt instrument, face amount	310,000,000		$ 310,000,000
Unsecured Term Loan Credit Facility [Member]
Debt Instrument [Line Items]
Debt instrument, face amount	$ 550,000,000		$ 550,000,000
Debt instrument, maturity date description			January 2026 with three one-year options to extend the maturity date, at the Company’s discretion, to January 2029
Debt instrument, extension period			1 year
Unsecured Term Loan Credit Facility [Member] \| SOFR [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate			80.00%
Mortgage Relating To An Operating Property [Member]
Debt Instrument [Line Items]
Repayments of long-term debt			$ 48,900,000
Fair market value adjustment			$ 100,000
Number of real estate properties \| Property	3		3
Maximum [Member] \| Interest Rate Swap [Member]
Debt Instrument [Line Items]
Derivative, fixed interest rate	4.7801%		4.7801%
Maximum [Member] \| Unsecured Term Loans [Member]
Debt Instrument [Line Items]
Maturity Date			2028-02
Maximum [Member] \| Unsecured Term Loan Credit Facility [Member]
Debt Instrument [Line Items]
Maturity Date			2029-01
Minimum [Member] \| Interest Rate Swap [Member]
Debt Instrument [Line Items]
Derivative, fixed interest rate	4.5793%		4.5793%
Minimum [Member] \| Unsecured Term Loans [Member]
Debt Instrument [Line Items]
Maturity Date			2026-11
Minimum [Member] \| Unsecured Term Loan Credit Facility [Member]
Debt Instrument [Line Items]
Maturity Date			2026-01
Derivative, fixed interest rate	4.6122%		4.6122%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity				$ 2,000,000,000
Line of credit facility, maximum borrowing capacity				$ 2,750,000,000
Debt instrument, interest rate, effective percentage	5.11%		5.11%
Revolving Credit Facility [Member] \| SOFR [Member]
Debt Instrument [Line Items]
Debt instrument, basis spread on variable rate			0.685%
Letter of Credit [Member]
Debt Instrument [Line Items]
Long-term line of credit	$ 0		$ 0