EARNINGS PER SHARE AND UNIT (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Numerator:
Net income attributable to common shareholders	$ 48,980	$ 25,537
Less: Earnings allocated to unvested participating securities	(34)	(23)
Net income available for common shareholders - basic	48,946	25,514
OP and LTIP units	0	2,245
Net income available for common shareholders - dilutive	$ 48,946	$ 27,759
Denominator:
Weighted average common shares outstanding - basic (in shares)	120,966	116,274
Effect of dilutive securities:
Assumed conversion of OP and LTIP units (in shares)	0	10,116
Weighted average common shares outstanding - diluted (in shares)	121,051	126,504
Earnings per share available to common shareholders:
Earnings per common share - Basic (in dollars per share)	$ 0.40	$ 0.22
Earnings per common share - Diluted (in dollars per share)	$ 0.40	$ 0.22
Urban Edge Properties LP
Numerator:
Net income attributable to common shareholders	$ 51,288	$ 27,892
Less: Earnings allocated to unvested participating securities	(34)	(25)
Net income available for common shareholders - basic	$ 51,254	$ 27,867
Denominator:
Weighted average common shares outstanding - basic (in shares)	125,844	126,391
Effect of dilutive securities:
Stock options using treasure stock method and restricted stock awards (in shares)	85	114
Assumed conversion of OP and LTIP units (in shares)	826	0
Weighted average common shares outstanding - diluted (in shares)	126,755	126,505
Earnings per share available to common shareholders:
Earnings per common share - Basic (in dollars per share)	$ 0.41	$ 0.22
Earnings per common share - Diluted (in dollars per share)	$ 0.40	$ 0.22
Restricted share expense
Effect of dilutive securities:
Stock options using treasure stock method and restricted stock awards (in shares)	85	114