| Document And Entity Information | Jul. 15, 2020 |
| Document Information [Line Items] | |
| Entity, Registrant Name | KIMCO REALTY CORPORATION |
| Document, Type | 8-K |
| Document, Period End Date | Jul. 15, 2020 |
| Entity, Incorporation, State or Country Code | MD |
| Entity, File Number | 1-10899 |
| Entity, Tax Identification Number | 13-2744380 |
| Entity, Address, Address Line One | 500 North Broadway |
| Entity, Address, Address Line Two | Suite 201 |
| Entity, Address, City or Town | Jericho |
| Entity, Address, State or Province | NY |
| Entity, Address, Postal Zip Code | 11753 |
| City Area Code | 516 |
| Local Phone Number | 869-9000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity, Emerging Growth Company | false |
| Amendment Flag | false |
| Entity, Central Index Key | 0000879101 |
| CommonStock Custom [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | Common Stock |
| Trading Symbol | KIM |
| Security Exchange Name | NYSE |
| ClassLCumulativeRedeemable5125 Custom [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | 5.125% Class L Cumulative Redeemable |
| Trading Symbol | KIMprL |
| Security Exchange Name | NYSE |
| ClassMCumulativeRedeemable5250 Custom [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | 5.250% Class M Cumulative Redeemable |
| Trading Symbol | KIMprM |
| Security Exchange Name | NYSE |
