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Business And Organization (Details)	12 Months Ended
	Dec. 31, 2018 property shares
Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Effects Of Changes Net [Line Items]
Number of properties | property	58
Company's interest in Operating Partnership	99.40%
OP units outstanding | shares	553,000
Common stock, conversion basis	one a one-to-one basis
Common stock conversion percentage	100.00%
Cedar Realty Trust Partnership L.P [Member]
Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Effects Of Changes Net [Line Items]
Limited partners' interest in Operating Partnership	0.60%

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Common stock conversion percentage.

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Description of basis for conversion of convertible common stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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Percentage investment held by the managing member or general partner of the limited liability company (LLC) or limited partnership (LP).

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
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Percentage investment held by members or limited partners of limited liability company (LLC) or limited partnership (LP).

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-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
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