Note 28 - Subsequent Events - Converted to Shares/Units (Details) - Subsequent Event [Member] - RPT [Member]	Jan. 02, 2024 USD ($) $ / shares shares
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Per Each Acquired Company Share (in shares)	0.6049
Equity consideration given from Kimco shares/units issued | $	$ 1,293,357
Common Stock [Member]
RPT shares/units outstanding as of January 2, 2024 (in shares)	87,675	[1]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Per Each Acquired Company Share (in shares)	0.6049	[1]
Kimco shares/units issued (in shares)	53,034	[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]
RPT shares/units outstanding as of January 2, 2024 (in shares)	1,576	[2]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Per Each Acquired Company Share (in shares)	0.6049	[2]
Kimco shares/units issued (in shares)	953	[2]
Value of Kimco stock per share/unit (in dollars per share) | $ / shares	$ 22.0005	[2]
Equity consideration given from Kimco shares/units issued | $	$ 20,975	[2]
Cumulative Convertible Perpetual Preferred Shares [Member]
RPT shares/units outstanding as of January 2, 2024 (in shares)	1,849	[3]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Per Each Acquired Company Share (in shares)	1	[3]
Kimco shares/units issued (in shares)	1,849	[3]
Value of Kimco stock per share/unit (in dollars per share) | $ / shares	$ 57.13	[3]
Equity consideration given from Kimco shares/units issued | $	$ 105,607	[3]

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

[2] Upon consummation of the RPT Merger, the Parent Company owns 99.86% of the outstanding OP Units in Kimco OP, which is no longer a disregarded entity for federal income tax purposes.

[3] 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. The liquidation preference is $92.4 million ($50.00 per depositary share) and the shareholders are entitled to fixed annual dividends of $3.625 per depositary share. The Class N Preferred Stock depositary shares are convertible at any time by the holders to 2.3071 of the Company’s common shares or under certain circumstances by the Company’s election.