Consolidated Statements of Operations - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
REVENUES
Total revenues	$ 30,562,000	$ 31,175,000	$ 96,333,000	$ 102,280,000
EXPENSES
Operating, maintenance and management	5,570,000	5,579,000	19,646,000	18,808,000
Real estate and other property-related taxes	4,797,000	5,253,000	14,968,000	15,353,000
General and administrative	4,229,000	3,925,000	13,630,000	12,833,000
Depreciation and amortization	9,510,000	10,035,000	30,978,000	38,208,000
Total expenses	24,106,000	24,792,000	79,222,000	85,202,000
OTHER
Gain on sales		679,000	49,904,000	679,000
Impairment charges	(82,736,000)		(80,887,000)	(7,607,000)
Total other	(82,736,000)	679,000	(30,983,000)	(6,928,000)
OPERATING (LOSS) INCOME	(76,280,000)	7,062,000	(13,872,000)	10,150,000
NON-OPERATING INCOME AND EXPENSES
Interest expense	(4,603,000)	(5,658,000)	(14,294,000)	(16,853,000)
Total non-operating income and expenses	(4,603,000)	(5,658,000)	(14,294,000)	(16,853,000)
NET (LOSS) INCOME	(80,883,000)	1,404,000	(28,166,000)	(6,703,000)
Net loss (income) attributable to noncontrolling interests:
Minority interests in consolidated joint ventures	(125,000)	(144,000)	(397,000)	(460,000)
Limited partners' interest in Operating Partnership	492,000	7,000	214,000	87,000
Total net loss (income) attributable to noncontrolling interests	(367,000)	137,000	183,000	373,000
NET (LOSS) INCOME ATTRIBUTABLE TO CEDAR REALTY TRUST, INC.	(80,516,000)	1,267,000	(28,349,000)	(7,076,000)
Preferred stock dividends	(2,688,000)	(2,688,000)	(8,064,000)	(8,064,000)
NET LOSS ATTRIBUTABLE TO COMMON SHAREHOLDERS	$ (83,204,000)	$ (1,421,000)	$ (36,413,000)	$ (15,140,000)
NET LOSS PER COMMON SHARE ATTRIBUTABLE TO COMMON SHAREHOLDERS (BASIC AND DILUTED):	$ (6.28)	$ (0.11)	$ (2.77)	$ (1.17)
Weighted average number of common shares - basic and diluted	13,252,000	13,110,000	13,191,000	13,101,000
Rental Revenues [Member]
REVENUES
Total revenues	$ 30,395,000	$ 30,890,000	$ 95,611,000	$ 94,466,000
Other [Member]
REVENUES
Total revenues	$ 167,000	$ 285,000	$ 722,000	$ 7,814,000