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Note 9 - Other Assets (Details Textual) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 USD ($)
Gain (Loss) on Repayment of Mortgage Loan | $ 4

X
- Definition The amount of gain (loss) on repayment of mortgage loans. + References No definition available. + Details
Name: | kim_GainLossOnRepaymentOfMortgageLoan
Namespace Prefix: | kim_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration