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Investments in and Advances to Real Estate Joint Ventures - Schedule of Equity Method Investments (Details) - USD ($) $ in Millions		Sep. 30, 2025	Dec. 31, 2024
Kim Pru and Kim Pru II [Member]
Schedule of Equity Method Investments [Line Items]
Average ownership interest		15.00%
The company's investment		$ 121.1	$ 133.3
Kimco Income Fund [Member]
Schedule of Equity Method Investments [Line Items]
Average ownership interest		52.10%
The company's investment		$ 286.7	289.1
R2G Venture LLC [Member]
Schedule of Equity Method Investments [Line Items]
Average ownership interest		51.50%
The company's investment		$ 404.5	411.8
CPP [Member]
Schedule of Equity Method Investments [Line Items]
Average ownership interest		55.00%
The company's investment		$ 203.4	202.8
Other Institutional Joint Ventures [Member]
Schedule of Equity Method Investments [Line Items]
The company's investment		231.6	237.7
Other Joint Venture Programs [Member]
Schedule of Equity Method Investments [Line Items]
The company's investment		207.1	213.0
All Equity Method Investments [Member]
Schedule of Equity Method Investments [Line Items]
The company's investment	[1]	$ 1,454.4	$ 1,487.7
[1] Represents 113 property interests, 48 other property interests and 24.4 million square feet of GLA, as of September 30, 2025, and 116 property interests, 48 other property interests and 25.1 million square feet of GLA, as of December 31, 2024.

X

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 28
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Amount, before accumulated depreciation, of real estate investment by entity with substantial portion of business acquiring and holding investment real estate or interest in real estate. Excludes real estate not held as investment or interest.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 970
-SubTopic 360
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.12-28(Column E))
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
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