RPT Merger - Summary of Converted to Shares/Units (Details) - RPT [Member] $ / shares in Units, $ in Thousands	Jan. 02, 2024 USD ($) $ / shares shares
Business Acquisition [Line Items]
Exchange ratio	0.6049
Equity consideration given from Kimco shares/units issued | $	$ 1,293,357
Common Stock [Member]
Business Acquisition [Line Items]
RPT shares/units outstanding	87,675,000	[1]
Exchange ratio	0.6049	[1]
Kimco shares/units issued (in shares)	53,034,000	[1]
Value of Kimco stock per share/unit (in dollars per share) | $ / shares	$ 22.0005	[1]
Equity consideration given from Kimco shares/units issued | $	$ 1,166,775	[1]
OP Units [Member]
Business Acquisition [Line Items]
RPT shares/units outstanding	1,576,000
Exchange ratio	0.6049
Kimco shares/units issued (in shares)	953,000
Value of Kimco stock per share/unit (in dollars per share) | $ / shares	$ 22.0005
Equity consideration given from Kimco shares/units issued | $	$ 20,975
Cumulative Convertible Perpetual Preferred Shares [Member]
Business Acquisition [Line Items]
RPT shares/units outstanding	1,849,000
Exchange ratio	1
Kimco shares/units issued (in shares)	1,849,000
Value of Kimco stock per share/unit (in dollars per share) | $ / shares	$ 57.13
Equity consideration given from Kimco shares/units issued | $	$ 105,607

[1] The Company paid cash in lieu of issuing fractional Kimco common shares, which is included in “Cash Consideration” caption in the table below.