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Note 13 - Fair Value Measurements - Partner Units Cash Distribution Rates And Conversion Features (Details) | 9 Months Ended
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Sep. 30, 2023 $ / shares shares
Preferred Outside Partner Units [Member] |
Par Value Per Unit (in dollars per share) | $ / shares | $ 20.00
Number of Units Remaining (in shares) | shares | 6,104,831
Return Per Annum | 3.75%
Common Outside Partner Units [Member] |
Par Value Per Unit (in dollars per share) | $ / shares | $ 20.00
Number of Units Remaining (in shares) | shares | 678,306

X
- Definition The annual return from non-controlling interest represented by a percentage. + References No definition available. + Details
Name: | kim_NonControllingInterestAnnualReturn
Namespace Prefix: | kim_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- 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

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

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- Details
Name: | us-gaap_StatementClassOfStockAxis=kim_PreferredOutsidePartnerUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementClassOfStockAxis=kim_CommonOutsidePartnerUnitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |