Consolidated Statement of Equity - USD ($)	Total	Limited Partners' Interest In Operating Partnership [Member]	Preferred Stock [Member]	Common Stock [Member]	Treasury Stock, At Cost [Member]	Additional Paid-In Capital [Member]	Cumulative Distributions In Excess Of Net Income [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Cedar Realty Trust, Inc. [Member]	Minority Interests In Consolidated Joint Ventures [Member]	Noncontrolling Interests [Member]
Balance at Dec. 31, 2020	$ 487,458,000	$ 2,907,000	$ 159,541,000	$ 812,000	$ (15,133,000)	$ 879,790,000	$ (522,696,000)	$ (18,816,000)	$ 483,498,000	$ 1,053,000	$ 3,960,000
Balance, shares at Dec. 31, 2020			6,450,000	13,530,000
Net income (loss)	1,253,000	(9,000)					1,112,000		1,112,000	150,000	141,000
Unrealized gain (loss) on change in fair value of cash flow hedges	4,197,000	26,000						4,171,000	4,171,000		26,000
Share-based compensation, net	781,000			$ 6,000	1,172,000	(397,000)			781,000
Share-based compensation, net, shares				99,000
Common stock sales, net of issuance expenses	1,000					1,000			1,000
Preferred stock dividends	(2,688,000)						(2,688,000)		(2,688,000)
Distributions to common shareholders/noncontrolling interests	(904,000)	(5,000)					(899,000)		(899,000)		(5,000)
Reallocation adjustment of limited partners' interest		(19,000)				19,000			19,000		(19,000)
Balance at Mar. 31, 2021	490,098,000	2,900,000	$ 159,541,000	$ 818,000	(13,961,000)	879,413,000	(525,171,000)	(14,645,000)	485,995,000	1,203,000	4,103,000
Balance, shares at Mar. 31, 2021			6,450,000	13,629,000
Balance at Dec. 31, 2020	487,458,000	2,907,000	$ 159,541,000	$ 812,000	(15,133,000)	879,790,000	(522,696,000)	(18,816,000)	483,498,000	1,053,000	3,960,000
Balance, shares at Dec. 31, 2020			6,450,000	13,530,000
Unrealized gain (loss) on change in fair value of cash flow hedges	5,216,000
Balance at Jun. 30, 2021	539,782,000	3,146,000	$ 159,541,000	$ 818,000	(13,911,000)	880,491,000	(477,992,000)	(13,636,000)	535,311,000	1,325,000	4,471,000
Balance, shares at Jun. 30, 2021			6,450,000	13,628,000
Balance at Mar. 31, 2021	490,098,000	2,900,000	$ 159,541,000	$ 818,000	(13,961,000)	879,413,000	(525,171,000)	(14,645,000)	485,995,000	1,203,000	4,103,000
Balance, shares at Mar. 31, 2021			6,450,000	13,629,000
Net income (loss)	51,464,000	287,000					51,055,000		51,055,000	122,000	409,000
Unrealized gain (loss) on change in fair value of cash flow hedges	1,019,000	10,000						1,009,000	1,009,000		10,000
Share-based compensation, net	1,089,000				50,000	1,039,000			1,089,000
Share-based compensation, net, shares				(1,000)
Common stock sales, net of issuance expenses	1,000					1,000			1,000
Purchase/Redemption of OP Units	(8,000)	(8,000)									(8,000)
Preferred stock dividends	(2,688,000)						(2,688,000)		(2,688,000)
Distributions to common shareholders/noncontrolling interests	(1,193,000)	(5,000)					(1,188,000)		(1,188,000)		(5,000)
Reallocation adjustment of limited partners' interest		(38,000)				38,000			38,000		(38,000)
Balance at Jun. 30, 2021	539,782,000	3,146,000	$ 159,541,000	$ 818,000	(13,911,000)	880,491,000	(477,992,000)	(13,636,000)	535,311,000	$ 1,325,000	4,471,000
Balance, shares at Jun. 30, 2021			6,450,000	13,628,000
Balance at Dec. 31, 2021	439,968,000	2,586,000	$ 159,541,000	$ 820,000	(13,266,000)	881,009,000	(582,464,000)	(8,258,000)	437,382,000		2,586,000
Balance, shares at Dec. 31, 2021			6,450,000	13,658,000
Net income (loss)	(1,076,000)	(20,000)					(1,056,000)		(1,056,000)		(20,000)
Unrealized gain (loss) on change in fair value of cash flow hedges	8,338,000	49,000						8,289,000	8,289,000		49,000
Share-based compensation, net	(40,000)			$ (1,000)	2,459,000	(2,498,000)			(40,000)
Share-based compensation, net, shares				(21,000)
Common stock sales, net of issuance expenses	1,000					1,000			1,000
Preferred stock dividends	(2,688,000)						(2,688,000)		(2,688,000)
Distributions to common shareholders/noncontrolling interests	(905,000)	(5,000)					(900,000)		(900,000)		(5,000)
Reallocation adjustment of limited partners' interest		4,000				(4,000)			(4,000)		4,000
Balance at Mar. 31, 2022	443,598,000	2,614,000	$ 159,541,000	$ 819,000	(10,807,000)	878,508,000	(587,108,000)	31,000	440,984,000		2,614,000
Balance, shares at Mar. 31, 2022			6,450,000	13,637,000
Balance at Dec. 31, 2021	439,968,000	2,586,000	$ 159,541,000	$ 820,000	(13,266,000)	881,009,000	(582,464,000)	(8,258,000)	437,382,000		2,586,000
Balance, shares at Dec. 31, 2021			6,450,000	13,658,000
Unrealized gain (loss) on change in fair value of cash flow hedges	11,452,000
Balance at Jun. 30, 2022	399,822,000	1,494,000	$ 159,541,000	$ 814,000	(10,760,000)	877,981,000	(632,383,000)	3,135,000	398,328,000		1,494,000
Balance, shares at Jun. 30, 2022			6,450,000	13,558,000
Balance at Mar. 31, 2022	443,598,000	2,614,000	$ 159,541,000	$ 819,000	(10,807,000)	878,508,000	(587,108,000)	31,000	440,984,000		2,614,000
Balance, shares at Mar. 31, 2022			6,450,000	13,637,000
Net income (loss)	(42,763,000)	(176,000)					(42,587,000)		(42,587,000)		(176,000)
Unrealized gain (loss) on change in fair value of cash flow hedges	3,114,000	10,000						3,104,000	3,104,000		10,000
Share-based compensation, net	287,000			$ (5,000)	47,000	245,000			287,000
Share-based compensation, net, shares				(79,000)
Purchase/Redemption of OP Units	(726,000)	(726,000)									(726,000)
Preferred stock dividends	(2,688,000)						(2,688,000)		(2,688,000)
Acquisition of minority interests	(1,000,000)					(1,000,000)			(1,000,000)
Reallocation adjustment of limited partners' interest		(228,000)				228,000			228,000		(228,000)
Balance at Jun. 30, 2022	$ 399,822,000	$ 1,494,000	$ 159,541,000	$ 814,000	$ (10,760,000)	$ 877,981,000	$ (632,383,000)	$ 3,135,000	$ 398,328,000		$ 1,494,000
Balance, shares at Jun. 30, 2022			6,450,000	13,558,000