Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2023	May 05, 2023
Document Information [Line Items]
Document type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2023
Document Fiscal Period Focus	Q1
Document Fiscal Year Focus	2023
Entity Registrant Name	CEDAR REALTY TRUST, INC.
Entity Central Index Key	0000761648
Entity Current Reporting Status	Yes
Current Fiscal Year End Date	--12-31
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Interactive Data Current	Yes
Entity Common Stock, Shares Outstanding		13,718,169
Entity File Number	001-31817
Entity Tax Identification Number	42-1241468
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
Entity Incorporation, State or Country Code	MD
Document Quarterly Report	true
Document Transition Report	false
Series B Preferred Stock [Member]
Document Information [Line Items]
Trading Symbol	CDRpB
Title of 12(b) Security	7-1/4% Series B Cumulative Redeemable Preferred Stock, $25.00 Liquidation Value
Security Exchange Name	NYSE
Series C Preferred Stock [Member]
Document Information [Line Items]
Trading Symbol	CDRpC
Title of 12(b) Security	6-1/2% Series C Cumulative Redeemable Preferred Stock, $25.00 Liquidation Value
Security Exchange Name	NYSE