| Document And Entity Information | Nov. 29, 2019 |
| Document Information [Line Items] | |
| Entity Registrant Name | KIMCO REALTY CORPORATION |
| Document Type | 8-K |
| Document Period End Date | Nov. 29, 2019 |
| Entity Incorporation, State or Country Code | MD |
| Entity File Number | 001-10899 |
| Entity Tax Identification Number | 13-2744380 |
| Entity Address, Address Line One | 500 North Broadway |
| 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 |
| ClassJCumulativeRedeemablePreferredStock5500 Custom [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | 5.500% Class J Cumulative Redeemable, Preferred Stock |
| Trading Symbol | KIMprJ |
| Security Exchange Name | NYSE |
| ClassLCumulativeRedeemablePreferredStock5125 Custom [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | 5.125% Class L Cumulative Redeemable, Preferred Stock |
| Trading Symbol | KIMprL |
| Security Exchange Name | NYSE |
| ClassMCumulativeRedeemablePreferredStock5250 Custom [Member] | |
| Document Information [Line Items] | |
| Title of 12(b) Security | 5.250% Class M Cumulative Redeemable, Preferred Stock |
| Trading Symbol | KIMprM |
| Security Exchange Name | NYSE |
