CONSOLIDATED STATEMENT OF CHANGES IN EQUITY - USD ($)	Total	Urban Edge Properties LP	Urban Edge Properties LP Accumulated Earnings (Deficit)	Urban Edge Properties LP Consolidated Subsidiaries	Urban Edge Properties LP General Partner	Urban Edge Properties LP Limited Partners		Common Shares	Additional Paid-In Capital	Accumulated Earnings (Deficit)	Operating Partnership	Consolidated Subsidiaries	Operating Partnership Urban Edge Properties LP Limited Partners
Beginning balance (in shares) at Dec. 31, 2018								114,345,565
Beginning balance (in shares) at Dec. 31, 2018					114,345,565	12,736,633
Beginning balance at Dec. 31, 2018	$ 1,005,977,000	$ 1,005,977,000	$ (57,482,000)	$ 449,000	$ 957,563,000	$ 105,447,000	[1]	$ 1,143,000	$ 956,420,000	$ (52,857,000)	$ 100,822,000	$ 449,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to common shareholders	106,148,000	112,683,000	112,683,000							106,148,000
Net income attributable to noncontrolling interests	6,511,000	(24,000)		(24,000)							6,535,000	(24,000)
Common units issued as a result of common shares issued by Urban Edge (in shares)					47,372
Common units issued as a result of common shares issued by Urban Edge		(253,000)	101,000		$ (354,000)
Units redeemed for common shares (in shares)					6,861,692	(6,861,692)		6,861,692
Units redeemed for common shares	52,022,000	52,022,000			$ 54,748,000	$ (2,726,000)		$ 68,000	54,680,000		(2,726,000)
Limited partnership units issued, net (in shares)						276,287
Limited partnership units issued, net		0
Reallocation of noncontrolling interests	(52,022,000)	(52,022,000)			4,077,000	$ (56,099,000)	[1]		4,077,000		(56,099,000)
Common shares issued (in shares)								47,372
Common shares issued	253,000							$ 1,000	353,000	(101,000)
Dividends to common shareholders	(79,489,000)									(79,489,000)
Distributions to redeemable NCI	(4,427,000)										(4,427,000)
Distributions to Partners		(83,916,000)	(83,916,000)
Share-based compensation expense	10,269,000	10,269,000	0		$ 4,579,000	$ 5,690,000	[1]		4,579,000		5,690,000
Share-based awards retained for taxes (in shares)					(31,276)			(31,276)
Distributions to redeemable NCI ($0.22 per unit)	(633,000)	(633,000)			$ (633,000)				(633,000)
Ending balance (in shares) at Sep. 30, 2019					121,223,353	5,934,180		121,223,353
Ending balance (in shares) at Sep. 30, 2019					121,223,353	5,793,230
Ending balance at Sep. 30, 2019	1,035,713,000	1,035,713,000	(31,734,000)	425,000	$ 1,017,266,000	$ 49,756,000	[1]	$ 1,212,000	1,016,054,000	(29,217,000)	47,239,000	425,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Partners' Capital Account, Redemptions, Cash	(5,978,000)	(5,978,000)			$ (3,422,000)	$ (2,556,000)			(3,422,000)		(2,556,000)
Partners' Capital Account, Units, Redeemed, Cash						(357,998)
Beginning balance (in shares) at Jun. 30, 2019					121,171,003	6,201,228		121,171,003
Beginning balance at Jun. 30, 2019	1,009,686,000	1,009,686,000	(60,461,000)	427,000	$ 1,016,682,000	$ 53,038,000		$ 1,212,000	1,015,470,000	(56,580,000)	49,157,000	427,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to common shareholders	54,040,000	56,702,000	56,702,000							54,040,000
Net income attributable to noncontrolling interests	2,660,000	(2,000)		(2,000)							2,662,000	(2,000)
Common units issued as a result of common shares issued by Urban Edge (in shares)					2,350
Common units issued as a result of common shares issued by Urban Edge		61,000	31,000		$ 30,000
Units redeemed for common shares (in shares)					50,000	(50,000)		50,000
Units redeemed for common shares	(2,291,000)	(2,291,000)			$ 435,000	$ (2,726,000)		$ 0	435,000		(2,726,000)
Limited partnership units issued, net (in shares)						140,950
Limited partnership units issued, net		0
Reallocation of noncontrolling interests	2,291,000	2,291,000			2,291,000	$ 0			2,291,000		0
Common shares issued (in shares)								2,350
Common shares issued								$ (61,000)	(30,000)	(31,000)
Dividends to common shareholders	(26,646,000)									(26,646,000)
Distributions to redeemable NCI	(1,298,000)										(1,298,000)
Distributions to Partners		(27,944,000)	(27,944,000)
Share-based compensation expense	3,310,000	3,310,000			$ 1,310,000	$ 2,000,000			1,310,000	0	2,000,000
Ending balance (in shares) at Sep. 30, 2019					121,223,353	5,934,180		121,223,353
Ending balance (in shares) at Sep. 30, 2019					121,223,353	5,793,230
Ending balance at Sep. 30, 2019	1,035,713,000	1,035,713,000	(31,734,000)	425,000	$ 1,017,266,000	$ 49,756,000	[1]	$ 1,212,000	1,016,054,000	(29,217,000)	47,239,000	425,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Partners' Capital Account, Redemptions, Cash	$ (5,978,000)	$ (5,978,000)			$ (3,422,000)	$ (2,556,000)			(3,422,000)		(2,556,000)
Partners' Capital Account, Units, Redeemed, Cash						(357,998)
Noncontrolling interest percentage													4.60%
Beginning balance (in shares) at Dec. 31, 2019	121,370,125	121,370,125						121,370,125
Beginning balance (in shares) at Dec. 31, 2019					121,370,125	5,833,318
Beginning balance at Dec. 31, 2019	$ 1,014,776,000	$ 1,014,776,000	(56,166,000)	424,000	$ 1,020,362,000	$ 50,156,000	[2]	$ 1,213,000	1,019,149,000	(52,546,000)	46,536,000	424,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to common shareholders	74,630,000	78,003,000	78,003,000							74,630,000
Net income attributable to noncontrolling interests	3,373,000										3,373,000
Common units issued as a result of common shares issued by Urban Edge (in shares)					53,193
Common units issued as a result of common shares issued by Urban Edge		(205,000)	30,000		$ (235,000)	$ (122,858)
Units redeemed for common shares (in shares)					1,279,389	(1,279,389)		1,279,389
Units redeemed for common shares	$ 8,628,000	8,628,000			$ 8,628,000			$ 11,000	8,617,000
Repurchase of common shares (in shares)	(5,873,923)
Repurchase of common shares	$ (54,141,000)	(54,141,000)			(54,141,000)			$ (59,000)	(54,082,000)
Reallocation of noncontrolling interests	(8,628,000)	(8,628,000)			9,724,000	$ (18,352,000)	[2]		9,724,000		(18,352,000)
Common shares issued (in shares)								53,193
Common shares issued	205,000							$ 1,000	234,000	(30,000)
Dividends to common shareholders	(26,647,000)									(26,647,000)
Distributions to redeemable NCI	(1,314,000)										(1,314,000)
Distributions to Partners		(27,961,000)	(27,961,000)
Share-based compensation expense	14,463,000	14,463,000			$ 5,255,000	$ 9,208,000	[2]		5,255,000		9,208,000
Share-based awards retained for taxes (in shares)					(127,473)			(127,473)
Distributions to redeemable NCI ($0.22 per unit)	$ (1,461,000)	$ (1,461,000)			$ (1,461,000)				(1,461,000)
Ending balance (in shares) at Sep. 30, 2020	116,701,311	116,701,311						116,701,311
Ending balance (in shares) at Sep. 30, 2020					116,701,311	4,676,787
Ending balance at Sep. 30, 2020	$ 1,023,884,000	$ 1,023,884,000	(6,154,000)	424,000	$ 988,602,000	$ 41,012,000	[2]	$ 1,166,000	987,436,000	(4,593,000)	39,451,000	424,000
Beginning balance (in shares) at Jun. 30, 2020					116,701,311	4,676,787		116,701,311
Beginning balance at Jun. 30, 2020	1,027,110,000	1,027,110,000	(324,000)	424,000	$ 986,099,000	$ 40,911,000		$ 1,166,000	984,933,000	1,012,000	39,575,000	424,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to common shareholders	(5,605,000)	(5,830,000)	(5,830,000)							(5,605,000)
Net income attributable to noncontrolling interests	(225,000)										(225,000)	0
Units redeemed for common shares						0
Reallocation of noncontrolling interests	0	0			1,866,000	(1,866,000)	[2]		1,866,000		(1,866,000)
Share-based compensation expense	$ 2,604,000	$ 2,604,000			$ 637,000	$ 1,967,000	[2]		637,000	0	1,967,000
Ending balance (in shares) at Sep. 30, 2020	116,701,311	116,701,311						116,701,311
Ending balance (in shares) at Sep. 30, 2020					116,701,311	4,676,787
Ending balance at Sep. 30, 2020	$ 1,023,884,000	$ 1,023,884,000	$ (6,154,000)	$ 424,000	$ 988,602,000	$ 41,012,000	[2]	$ 1,166,000	$ 987,436,000	$ (4,593,000)	$ 39,451,000	$ 424,000
Noncontrolling interest percentage													3.90%

[1] Limited partners have a 4.6% common limited partnership interest in the Operating Partnership as of September 30, 2019 in the form of units of interest in the OP Units and LTIP units.

[2] Limited partners have a 3.9% common limited partnership interest in the Operating Partnership as of September 30, 2020 in the form of units of interest in the OP Units and LTIP units.