Investments in and Advances to Real Estate Joint Ventures - Schedule of Equity Method Investments (Details) - USD ($) $ in Millions		Jun. 30, 2024	Dec. 31, 2023
Kim Pru and Kim Pru II [Member]
Schedule of Equity Method Investments [Line Items]
Average ownership interest		15.00%
The company's investment		$ 133.7	$ 138.7
Kimco Income Fund [Member]
Schedule of Equity Method Investments [Line Items]
Average ownership interest		52.10%
The company's investment		$ 287.1	286.3
R2G Venture LLC [Member]
Schedule of Equity Method Investments [Line Items]
Average ownership interest	[1]	51.50%
The company's investment	[1]	$ 418.2	0.0
CPP [Member]
Schedule of Equity Method Investments [Line Items]
Average ownership interest		55.00%
The company's investment		$ 203.9	204.6
Other Institutional Joint Ventures [Member]
Schedule of Equity Method Investments [Line Items]
The company's investment		242.6	247.5
Other Joint Venture Programs [Member]
Schedule of Equity Method Investments [Line Items]
The company's investment	[2]	215.8	210.7
All Equity Method Investments [Member]
Schedule of Equity Method Investments [Line Items]
The company's investment	[3]	$ 1,501.3	$ 1,087.8

[1] In connection with the RPT Merger, the Company acquired ownership in an unconsolidated joint venture with an affiliate of GIC Private Limited, which has a provisional fair market value of $425.9 million at the time of Merger, representing 13 property interests.

[2] In connection with the RPT Merger, the Company acquired ownership in an unconsolidated joint venture, which has a provisional fair market value of $7.4 million at the time of Merger, representing 49 other property interests.

[3] Represents 116 property interests, 48 other property interests and 24.8 million square feet of GLA, as of June 30, 2024, and 104 property interests and 21.1 million square feet of GLA, as of December 31, 2023.