Consolidated Statements of Operations - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
REVENUES
Total revenues	$ 135,538,000	$ 144,083,000	$ 152,020,000
EXPENSES
Operating, maintenance and management	25,545,000	27,593,000	27,771,000
Real estate and other property-related taxes	20,051,000	20,754,000	20,123,000
General and administrative	16,865,000	18,804,000	16,915,000
Depreciation and amortization	48,412,000	45,861,000	40,053,000
Total expenses	110,873,000	113,012,000	104,862,000
OTHER
Gain on sales	4,396,000	2,942,000	4,864,000
Impairment charges	(7,607,000)	(8,938,000)	(20,689,000)
Total other	(3,211,000)	(5,996,000)	(15,825,000)
OPERATING INCOME	21,454,000	25,075,000	31,333,000
NON-OPERATING INCOME AND EXPENSES
Interest expense	(21,974,000)	(23,509,000)	(22,146,000)
Early extinguishment of debt costs			(4,829,000)
Total non-operating income and expenses	(21,974,000)	(23,509,000)	(26,975,000)
NET (LOSS) INCOME	(520,000)	1,566,000	4,358,000
Net (income) loss attributable to noncontrolling interests:
Minority interests in consolidated joint ventures	(618,000)	(547,000)	(497,000)
Limited partners' interest in Operating Partnership	66,000	57,000	28,000
Total net (income) attributable to noncontrolling interests	552,000	490,000	469,000
NET (LOSS) INCOME ATTRIBUTABLE TO CEDAR REALTY TRUST, INC.	(1,072,000)	1,076,000	3,889,000
Preferred stock dividends	(10,752,000)	(10,752,000)	(10,863,000)
Preferred stock redemption costs			(3,507,000)
NET (LOSS) ATTRIBUTABLE TO COMMON SHAREHOLDERS	$ (11,824,000)	$ (9,676,000)	$ (10,481,000)
NET (LOSS) PER COMMON SHARE ATTRIBUTABLE TO COMMON SHAREHOLDERS (BASIC AND DILUTED):	$ (0.92)	$ (0.78)	$ (0.83)
Weighted average number of common shares - basic and diluted	13,104,000	13,082,000	13,397,000
Rental Revenues [Member]
REVENUES
Total revenues	$ 127,171,000	$ 142,719,000	$ 147,236,000
Other [Member]
REVENUES
Total revenues	$ 8,367,000	$ 1,364,000	$ 4,784,000