EARNINGS PER SHARE (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
BASIC EPS COMPUTATION FOR NET INCOME AVAILABLE TO EASTGROUP PROPERTIES, INC. COMMON STOCKHOLDERS [Abstract]
Net income attributable to common stockholders	$ 55,180	$ 48,896	$ 169,111	$ 137,036
Weighted average shares outstanding (in shares)	48,864	45,658	48,324	44,688
DILUTED EPS COMPUTATION FOR NET INCOME ATTRIBUTABLE TO EASTGROUP PROPERTIES, INC. COMMON STOCKHOLDERS
Net Income Attributable to Common Stockholders	$ 55,180	$ 48,896	$ 169,111	$ 137,036
Weighted average shares outstanding (in shares)	48,864	45,658	48,324	44,688
Effect of dilutive securities	135	130	111	94
Weighted average diluted shares outstanding (in shares)	48,999	45,788	48,435	44,782