| Cover | Apr. 20, 2023 |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | Apr. 20, 2023 |
| Entity File Number | 001-31817 |
| Entity Registrant Name | Cedar Realty Trust, Inc. |
| Entity Central Index Key | 0000761648 |
| Entity Tax Identification Number | 42-1241468 |
| Entity Incorporation, State or Country Code | MD |
| Entity Address, Address Line One | 2529 Virginia Beach Blvd. |
| Entity Address, City or Town | Virginia Beach |
| Entity Address, State or Province | VA |
| Entity Address, Postal Zip Code | 23452 |
| City Area Code | 757 |
| Local Phone Number | 627-9088 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Series B Preferred Stock [Member] | |
| Title of 12(b) Security | 7-1/4% Series B Cumulative Redeemable Preferred Stock, $25.00 Liquidation Value |
| Trading Symbol | CDRpB |
| Security Exchange Name | NYSE |
| Series C Preferred Stock [Member] | |
| Title of 12(b) Security | 6-1/2% Series C Cumulative Redeemable Preferred Stock, $25.00 Liquidation Value |
| Trading Symbol | CDRpC |
| Security Exchange Name | NYSE |
