EARNINGS PER SHARE (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
BASIC EPS COMPUTATION FOR NET INCOME AVAILABLE TO EASTGROUP PROPERTIES, INC. COMMON STOCKHOLDERS [Abstract]
Net income attributable to common stockholders	$ 44,690	$ 63,580
Weighted average shares outstanding (in shares)	43,751	41,246
DILUTED EPS COMPUTATION FOR NET INCOME ATTRIBUTABLE TO EASTGROUP PROPERTIES, INC. COMMON STOCKHOLDERS
Net Income Available to Common Stockholders	$ 44,690	$ 63,580
Weighted average shares outstanding (in shares)	43,751	41,246
Unvested restricted stock	72	113
Weighted average diluted shares outstanding	43,823	41,359