Business and Organization (Details) $ / shares in Units, $ in Millions		3 Months Ended
	Mar. 02, 2022 USD ($) property $ / shares	Mar. 31, 2022 property shares
Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Effects Of Changes Net [Line Items]
Number of properties | property		50
OP units outstanding | shares		81,000
Series B Preferred Stock [Member]
Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Effects Of Changes Net [Line Items]
Preferred stock outstanding percentage	7.25%
Series C Preferred Stock [Member]
Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Effects Of Changes Net [Line Items]
Preferred stock outstanding percentage	6.50%
Asset Purchase Agreement [Member]
Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Effects Of Changes Net [Line Items]
Number of properties | property	33
Proceeds from sale of grocery-anchored shopping centers	$ 840.0
Transactions [Member] | Minimum [Member]
Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Effects Of Changes Net [Line Items]
Distribution to shareholders, per share in cash | $ / shares	$ 29.00
Additional Asset Purchase [Member] | Asset Purchase Agreement [Member]
Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Effects Of Changes Net [Line Items]
Proceeds from sale of grocery-anchored shopping centers	$ 80.5
Remaining Assets [Member] | Asset Purchase Agreement [Member]
Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Effects Of Changes Net [Line Items]
Proceeds from sale of grocery-anchored shopping centers	$ 291.3
Cedar Realty Trust Partnership L.P [Member]
Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Effects Of Changes Net [Line Items]
Company's interest in Operating Partnership		99.40%
Limited partners' interest in Operating Partnership		0.60%