| Document and Entity Information | Feb. 25, 2022 |
| Entity Listings [Line Items] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Feb. 25, 2022 |
| Entity Registrant Name | KIMCO REALTY CORPORATION |
| Entity Incorporation, State or Country Code | MD |
| Entity File Number | 1-10899 |
| Entity Tax Identification Number | 13-2744380 |
| Entity Address, Address Line One | 500 N. 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 |
| Entity Central Index Key | 0000879101 |
| Common Stock [Member] | |
| Entity Listings [Line Items] | |
| Title of 12(b) Security | Common Stock, par value $.01 per share. |
| Trading Symbol | KIM |
| Security Exchange Name | NYSE |
| Depositary Shares, each representing one-thousandth of a share of 5.125% Class L Cumulative Redeemable, Preferred Stock, $1.00 par value per share. [Member] | |
| Entity Listings [Line Items] | |
| Title of 12(b) Security | Depositary Shares, each representing one-thousandth of a share of 5.125% Class L Cumulative Redeemable, Preferred Stock, $1.00 par value per share. |
| Trading Symbol | KIMprL |
| Security Exchange Name | NYSE |
| Depositary Shares, each representing one-thousandth of a share of 5.250% Class M Cumulative Redeemable, Preferred Stock, $1.00 par value per share. [Member] | |
| Entity Listings [Line Items] | |
| Title of 12(b) Security | Depositary Shares, each representing one-thousandth of a share of 5.250% Class M Cumulative Redeemable, Preferred Stock, $1.00 par value per share. |
| Trading Symbol | KIMprM |
| Security Exchange Name | NYSE |
