Consolidated Statement of Equity - USD ($)	Total	Limited Partners' Interest In Operating Partnership [Member]	Restated [Member]	Restated [Member] Limited Partners' Interest In Operating Partnership [Member]	Preferred Stock [Member]	Preferred Stock [Member] Restated [Member]	Preferred Stock [Member] Series C [Member]	Common Stock [Member]	Common Stock [Member] Restated [Member]	Treasury Stock, At Cost [Member]	Treasury Stock, At Cost [Member] Restated [Member]	Additional Paid-In Capital [Member]	Additional Paid-In Capital [Member] Restated [Member]	Additional Paid-In Capital [Member] Series C [Member]	Cumulative Distributions In Excess Of Net Income [Member]	Cumulative Distributions In Excess Of Net Income [Member] Restated [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated Other Comprehensive Income (Loss) [Member] Restated [Member]	Cedar Realty Trust, Inc. [Member]	Cedar Realty Trust, Inc. [Member] Restated [Member]	Cedar Realty Trust, Inc. [Member] Series C [Member]	Minority Interests In Consolidated Joint Ventures [Member]	Minority Interests In Consolidated Joint Ventures [Member] Restated [Member]	Noncontrolling Interests [Member]	Noncontrolling Interests [Member] Restated [Member]
Balance at Dec. 31, 2016	$ 581,997,000	$ 2,389,000			$ 190,661,000			$ 5,119,000		$ (18,129,000)		$ 829,526,000			$ (426,864,000)		$ 427,000		$ 580,740,000			$ (1,132,000)		$ 1,257,000
Balance, shares at Dec. 31, 2016					7,950,000			85,316,000
Net (loss) income	19,653,000	(13,000)													19,143,000				19,143,000			523,000		510,000
Unrealized gain (loss) on change in fair value of cash flow hedges	5,287,000	20,000															5,267,000		5,267,000					20,000
Share-based compensation, net	3,513,000							$ 15,000		(334,000)		3,832,000							3,513,000
Share-based compensation, net, shares								249,000
Net proceeds from sales of Series C Shares	120,432,000						$ 124,774,000							$ (4,342,000)							$ 120,432,000
Net proceeds from sales of Series C Shares, Shares							5,000,000
Redemptions of Series B Shares	(112,510,000)				$ (107,927,000)							3,307,000			(7,890,000)				(112,510,000)
Redemptions of Series B Shares, Shares					(4,500,000)
Common stock sales, net of issuance expenses	43,166,000							$ 345,000				42,821,000							43,166,000
Common stock sales, net of issuance expenses, shares								5,752,000
Preferred stock dividends	(13,652,000)														(13,652,000)				(13,652,000)
Distributions to common shareholders/noncontrolling interests	(17,751,000)	(70,000)													(17,681,000)				(17,681,000)					(70,000)
Redemption of OP Units	(24,000)	(24,000)																						(24,000)
Reallocation adjustment of limited partners' interest		82,000										(82,000)							(82,000)					82,000
Balance at Dec. 31, 2017	630,111,000	2,384,000			$ 207,508,000			$ 5,479,000		(18,463,000)		875,062,000			(446,944,000)		5,694,000		628,336,000			(609,000)		1,775,000
Balance, shares at Dec. 31, 2017					8,450,000			91,317,000
Prior period adjustment - adoption of lease accounting standard | Accounting Standards Update 2016-02 [Member]	(515,000)														(515,000)				(515,000)
Net (loss) income	4,358,000	(28,000)													3,889,000				3,889,000			497,000		469,000
Unrealized gain (loss) on change in fair value of cash flow hedges	1,518,000	21,000															1,497,000		1,497,000					21,000
Share-based compensation, net	3,351,000							$ (7,000)		1,891,000		1,467,000							3,351,000
Share-based compensation, net, shares								(111,000)
Redemptions of Series B Shares	(50,016,000)				$ (47,967,000)							1,458,000			(3,507,000)				(50,016,000)
Redemptions of Series B Shares, Shares					(2,000,000)
Common stock sales, net of issuance expenses	9,000											9,000							9,000
Common stock sales, net of issuance expenses, shares								2,000
Common stock repurchases	(2,329,000)							$ (46,000)				(2,283,000)							(2,329,000)
Common stock repurchases. Shares								(772,000)
Preferred stock dividends	(10,863,000)														(10,863,000)				(10,863,000)
Distributions to common shareholders/noncontrolling interests	(18,391,000)	(90,000)													(18,301,000)				(18,301,000)					(90,000)
Redemption of OP Units	(7,000)	(7,000)																						(7,000)
Issuance of OP Units	975,000	975,000																						975,000
Reallocation adjustment of limited partners' interest		148,000										(148,000)							(148,000)					148,000
Balance at Dec. 31, 2018	558,716,000	3,403,000	$ 558,201,000	$ 3,403,000	$ 159,541,000	$ 159,541,000		$ 5,426,000	$ 5,426,000	(16,572,000)	$ (16,572,000)	875,565,000	$ 875,565,000		(475,726,000)	$ (476,241,000)	7,191,000	$ 7,191,000	555,425,000	$ 554,910,000		(112,000)	$ (112,000)	3,291,000	$ 3,291,000
Balance, shares at Dec. 31, 2018					6,450,000	6,450,000		90,436,000	90,436,000
Net (loss) income	1,566,000	(57,000)													1,076,000				1,076,000			547,000		490,000
Unrealized gain (loss) on change in fair value of cash flow hedges	(14,286,000)	(86,000)															(14,200,000)		(14,200,000)					(86,000)
Share-based compensation, net	4,129,000							$ 38,000		261,000		3,830,000							4,129,000
Share-based compensation, net, shares								626,000
Common stock sales, net of issuance expenses	23,000											23,000							23,000
Common stock sales, net of issuance expenses, shares								8,000
Common stock repurchases	(6,844,000)							$ (123,000)				(6,721,000)							(6,844,000)
Common stock repurchases. Shares								(2,050,000)
Preferred stock dividends	(10,752,000)														(10,752,000)				(10,752,000)
Distributions to common shareholders/noncontrolling interests	(17,919,000)	(111,000)													(17,808,000)				(17,808,000)					(111,000)
Redemption of OP Units	(43,000)	(43,000)																						(43,000)
Reallocation adjustment of limited partners' interest		(27,000)										27,000							27,000					(27,000)
Balance at Dec. 31, 2019	$ 514,075,000	$ 3,079,000			$ 159,541,000			$ 5,341,000		$ (16,311,000)		$ 872,724,000			$ (503,725,000)		$ (7,009,000)		$ 510,561,000			$ 435,000		$ 3,514,000
Balance, shares at Dec. 31, 2019					6,450,000			89,020,000