Note 9 - Other Assets (Details Textual) $ in Millions	Jun. 30, 2022 USD ($)
Property Held-for-sale, Net Carrying Amount	$ 2.9
Property Held-for-sale, Accumulated Depreciation and Amortization	$ 1.1

Represents the accumulated depreciation and amortization associated with property classified as held-for-sale.

No definition available.

Name:	kim_PropertyHeldForSaleAccumulatedDepreciationAndAmortization
Namespace Prefix:	kim_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant