Business and Organization - Additional Information (Details) $ / shares in Units, $ in Thousands			3 Months Ended		6 Months Ended
		Jan. 02, 2024 ft² Property $ / shares shares	Jun. 30, 2024 USD ($) ft² $ / shares	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) ft² $ / shares	Jun. 30, 2023 USD ($)	Dec. 31, 2023 $ / shares
Business and Organization [Line Items]
Gross leasable area (square foot) | ft²			628		628
Preferred stock, par value (in dollars per share) | $ / shares			$ 1		$ 1		$ 1
Merger related expenses incurred | $			$ 0	$ 0	$ 25,246	$ 0
Class N Preferred Stock [Member]
Business and Organization [Line Items]
Percentage of preferred stock dividend	[1]				7.25%
Preferred stock, par value (in dollars per share) | $ / shares	[1]		$ 1		$ 1
RPT Realty [Member]
Business and Organization [Line Items]
Number of properties acquired		56
Gross leasable area (square foot) | ft²		13,300,000
Merger related expenses incurred | $					$ 25,200
RPT Realty [Member] | Series D Cumulative Convertible Perpetual Preferred Shares [Member]
Business and Organization [Line Items]
Percentage of preferred stock dividend		7.25%
RPT Realty [Member] | Class N Preferred Stock [Member]
Business and Organization [Line Items]
Percentage of preferred stock dividend		7.25%
Preferred stock, par value (in dollars per share) | $ / shares		$ 1
RPT Realty [Member] | Conversion of RPT Realty Shares Into Kimco Common Shares [Member]
Business and Organization [Line Items]
Common stock converted, shares issued | shares		0.6049
RPT Realty [Member] | Conversion of RPT Realty Shares Into Kimco Preferred Shares [Member]
Business and Organization [Line Items]
Preferred share conversion right to receive, shares | shares		0.001
RPT Realty [Member] | Property Net Lease Joint Venture [Member]
Business and Organization [Line Items]
Number of properties acquired		49
Percentage of voting interests acquired		6.00%
RPT Realty [Member] | Wholly Owned Properties [Member]
Business and Organization [Line Items]
Number of properties acquired		43
RPT Realty [Member] | Consolidated Properties [Member]
Business and Organization [Line Items]
Number of properties acquired		13
Kimco Realty OP, LLC [Member]
Business and Organization [Line Items]
Ownership percentage, by parent		99.86%	99.84%		99.84%

[1] In connection with the RPT Merger, the Company issued 1,849 shares of Class N Preferred Stock with a par value of $1.00 per share, represented by 1,848,539 depositary shares, which had a fair market value of $105.6 million. The Class N Preferred Stock depositary shares are convertible by the holders at an exchange ratio of 2.3071 into the Company’s common shares or under certain circumstances by the Company’s election. As of June 30, 2024, the Class N Preferred Stock was potentially convertible into 4.3 million shares of common stock.