| Document And Entity Information | Aug. 15, 2019 | Aug. 14, 2019 |
| Document Information [Line Items] | ||
| Entity Registrant Name | Kimco Realty Corporation | |
| Document Type | 8-K | |
| Document Period End Date | Aug. 15, 2019 | |
| Entity Incorporation, State or Country Code | MD | |
| Entity File Number | 001-10899 | |
| Entity Tax Identification Number | 13-2744380 | |
| Entity Address, Address Line One | 3333 New Hyde Park Road Suite 100 | |
| Entity Address, City or Town | New Hyde Park | |
| Entity Address, State or Province | NY | |
| Entity Address, Postal Zip Code | 11042 | |
| 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 | |
| Entity Ex Transition Period | 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 | |
| ClassICumulativeRedeemablePreferredStock6000 Custom [Member] | ||
| Document Information [Line Items] | ||
| Title of 12(b) Security | 6.000% Class I Cumulative Redeemable, Preferred Stock | |
| Trading Symbol | KIMprI | |
| 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 | |
| ClassKCumulativeRedeemablePreferredStock5625 Custom [Member] | ||
| Document Information [Line Items] | ||
| Title of 12(b) Security | 5.625% Class K Cumulative Redeemable, Preferred Stock | |
| Trading Symbol | KIMprK | |
| 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 |
