Debt instrument, extension period.

No definition available.

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

- Definition

Debt Maturity Date

+ References

No definition available.

+ Details

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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

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Namespace Prefix:	us-gaap_
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Period Type:	duration

- Definition

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

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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.

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- Definition

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

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- 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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- 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

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- Definition

Indicates type of variable interest rate on debt instrument.

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- Definition

Fixed interest rate related to the interest rate derivative.

+ References

No definition available.

+ Details

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- 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

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- 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.

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- 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.

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- 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.

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The amount of debt that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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- Definition

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

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- Definition

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

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Notes and Mortgages Payable - Additional Information (Details) $ in Millions	1 Months Ended			9 Months Ended
	Oct. 30, 2025	Jun. 30, 2025 USD ($)	Jan. 31, 2024	Sep. 30, 2025 USD ($) 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		$ 500.0
Interest Rate		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				$ 550.0
Number of swap agreements \| Agreement				6
Senior Unsecured Notes 6 [Member]
Debt Instrument [Line Items]
Debt instrument, interest rate, effective percentage			4.15%
Maturity Date			2026-11
Unsecured Term Loans [Member]
Debt Instrument [Line Items]
Debt instrument, face amount				$ 310.0
Unsecured Term Loan Credit Facility [Member]
Debt Instrument [Line Items]
Debt instrument, face amount				$ 550.0
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] \| Subsequent Event [Member]
Debt Instrument [Line Items]
Maturity Date	2027-01
Debt instrument, maturity date description	In October 2025, the Company exercised a one-year extension option to extend the maturity date to January 2027.
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				$ 48.9
Fair market value adjustment				$ 0.1
Number of real estate properties \| Property				3
Mortgage Debt Assumed in Weingarten Acquisition [Member]
Debt Instrument [Line Items]
Mortgage debt				$ 31.4
Fair market value adjustment				$ 0.5
Maximum [Member] \| Interest Rate Swap [Member]
Debt Instrument [Line Items]
Derivative, fixed interest rate				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%
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%
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity					$ 2,000.0
Line of credit facility, maximum borrowing capacity					$ 2,750.0
Debt instrument, interest rate, effective percentage				4.96%
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				$ 40.0