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Noncontrolling Interests - Schedule of Noncontrolling Interest Relating to Noncontrolling OP Units (Details) | 9 Months Ended
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Sep. 30, 2025 shares
Vested OP Units [Member] |
Noncontrolling Interest [Line Items] |
Number of Units Remaining | 1,002,014
Time Based OP Units [Member] |
Noncontrolling Interest [Line Items] |
Number of Units Remaining | 442,708
Performance Based OP Units [Member] |
Noncontrolling Interest [Line Items] |
Number of Units Remaining | 1,076,361

X
- 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

X
- 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. + References No definition available. + Details
Name: | us-gaap_MinorityInterestLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=kim_VestedOPUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=kim_TimeBasedOPUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=kim_PerformanceBasedOPUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |