EARNINGS PER SHARE AND UNIT (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Numerator:
Net income attributable to common shareholders	$ 31,255	$ 26,571	$ 80,235	$ 52,108
Less: Earnings allocated to unvested participating securities	(19)	(22)	(54)	(45)
Net income available for common shareholders - basic	31,236	26,549	80,181	52,063
OP and LTIP units	0	0	525	0
Net income available for common shareholders - dilutive	$ 31,236	$ 26,549	$ 80,706	$ 52,063
Denominator:
Weighted average common shares outstanding - basic (in shares)	116,522	120,364	118,744	118,330
Effect of dilutive securities:
Assumed conversion of OP and LTIP units (in shares)	0	0	784	0
Weighted average common shares outstanding - diluted (in shares)	116,595	120,461	119,607	118,436
Earnings per share available to common shareholders:
Earnings per common share - Basic (in dollars per share)	$ 0.27	$ 0.22	$ 0.68	$ 0.44
Earnings per common share - Diluted (in dollars per share)	$ 0.27	$ 0.22	$ 0.67	$ 0.44
Urban Edge Properties LP
Numerator:
Net income attributable to common shareholders	$ 32,545	$ 28,089	$ 83,833	$ 55,981
Less: Earnings allocated to unvested participating securities	(19)	(23)	(54)	(47)
Net income available for common shareholders - basic	$ 32,526	$ 28,066	$ 83,779	$ 55,934
Denominator:
Weighted average common shares outstanding - basic (in shares)	120,535	126,478	123,190	126,442
Effect of dilutive securities:
Stock options using treasure stock method and restricted stock awards (in shares)	72	97	79	106
Assumed conversion of OP and LTIP units (in shares)	800	5	813	6
Weighted average common shares outstanding - diluted (in shares)	121,407	126,580	124,082	126,554
Earnings per share available to common shareholders:
Earnings per common share - Basic (in dollars per share)	$ 0.27	$ 0.22	$ 0.68	$ 0.44
Earnings per common share - Diluted (in dollars per share)	$ 0.27	$ 0.22	$ 0.68	$ 0.44
Restricted share expense
Effect of dilutive securities:
Stock options using treasure stock method and restricted stock awards (in shares)	73	97	79	106