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Business and Organization - Additional Information (Details) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Jan. 02, 2024 ft² Property $ / shares shares | Sep. 30, 2024 USD ($) ft² $ / shares | Sep. 30, 2023 USD ($) | Sep. 30, 2024 USD ($) ft² $ / shares | Sep. 30, 2023 USD ($) | Dec. 31, 2023 $ / shares
Business and Organization [Line Items] |  |  |  |  |  |  |
Gross leasable area (square foot) | ft² |  |  | 1,132 |  | 1,132 |  |
Preferred stock, par value (in dollars per share) | $ / shares |  |  | $ 1 |  | $ 1 |  | $ 1
Merger related expenses incurred | $ |  |  | $ 0 | $ 3,750 | $ 25,246 | $ 3,750 |
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 September 30, 2024, the Class N Preferred Stock was potentially convertible into 4.3 million shares of common stock.

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