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Note 20 - Transactions With Related Parties (Details Textual) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Ripco [Member] |  |  |
Related Party Transaction, Amounts of Transaction | $ 0.5 | $ 0.3 | $ 0.4
Kimco Income Fund [Member] |  |  |
Payments to Acquire Interest in Subsidiaries and Affiliates, Total |  | 55.1 |
Kimco Income Fund [Member] | Board of Directors Chairman [Member] |  |  |
Payments to Acquire Interest in Subsidiaries and Affiliates, Total |  | $ 0.1 |
Fifth Wall's Climate Technology Fund [Member] |  |  |
Equity Method Investment, Commitment Amount | 25.0 |  |
Payments to Acquire Equity Method Investments | 16.8 |  |
Equity Securities without Readily Determinable Fair Value, Amount | $ 1.6 |  |
Prudential Investment Program [Member] | Operating Properties [Member] |  |  |
Subsidiary, Ownership Percentage, Parent | 85.00% |  |
Real Estate Investments, Net | $ 150.7 |  |
Gain (Loss) on Change of Control of Equity Investments | $ 7.7 |  |
Ripco [Member] | Officer [Member] |  |  |
Percentage of Ownership |  | 50.00% |

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- Definition Amount of investment in equity security without readily determinable fair value. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 321 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479536/321-10-50-3 + Details
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- Definition The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-13 + Details
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- Definition The cash outflow associated with the acquisition of or advances to an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, and joint venture or equity method investment) or the acquisition of an additional interest in a subsidiary (controlled entity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-13 + Details
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- Definition Amount of real estate investments, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; (7) other real estate investments; (8) real estate joint ventures; and (9) unconsolidated real estate and other joint ventures not separately presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(1)(d)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(3)(d)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479617/946-210-S99-1 + Details
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