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Document and Entity Information
Apr. 28, 2021
Document And Entity Information [Line Items]  
Amendment Flag false
Entity Central Index Key 0000761648
Document Type 8-K
Document Period End Date Apr. 28, 2021
Entity Registrant Name CEDAR REALTY TRUST, INC.
Entity Incorporation State Country Code MD
Entity File Number 001-31817
Entity Tax Identification Number 42-1241468
Entity Address, Address Line One 44 South Bayles Avenue
Entity Address, City or Town Port Washington
Entity Address, State or Province NY
Entity Address, Postal Zip Code 11050
City Area Code (516)
Local Phone Number 767-6492
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Common Stock [Member]  
Document And Entity Information [Line Items]  
Security 12b Title Common Stock, $0.06 par value
Trading Symbol CDR
Security Exchange Name NYSE
Series B Preferred Stock [Member]  
Document And Entity Information [Line Items]  
Security 12b Title 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]  
Document And Entity Information [Line Items]  
Security 12b Title 6-1/2% Series C Cumulative Redeemable Preferred Stock, $25.00 Liquidation Value
Trading Symbol CDRpC
Security Exchange Name NYSE