EARNINGS PER SHARE (Details) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
BASIC EPS COMPUTATION FOR NET INCOME AVAILABLE TO EASTGROUP PROPERTIES, INC. COMMON STOCKHOLDERS [Abstract]
Numerator - net income available to common stockholders	$ 200,491	$ 186,182	$ 157,557
Weighted average shares outstanding - Basic (in shares)	45,224	42,599	40,255
DILUTED EPS COMPUTATION FOR NET INCOME ATTRIBUTABLE TO EASTGROUP PROPERTIES, INC. COMMON STOCKHOLDERS [Abstract]
Numerator - net income available to common stockholders	$ 200,491	$ 186,182	$ 157,557
Denominator: [Abstract]
Weighted average shares outstanding — Basic	45,224	42,599	40,255
Effect of dilutive securities	107	113	122
Total Shares (in shares)	45,331	42,712	40,377