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v3.20.4

Note 20 - Commitments and Contingencies (Details Textual) $ in Millions | Dec. 31, 2020 USD ($)
--- | ---
Letters of Credit Outstanding, Amount | $ 36.2
Performance and Surety Bonds | $ 16.3

X
- Definition The amount of performance and surety bonds. + References No definition available. + Details
Name: | kim_PerformanceAndSuretyBonds
Namespace Prefix: | kim_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
Name: | us-gaap_LettersOfCreditOutstandingAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant