EARNINGS PER SHARE (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
BASIC EPS COMPUTATION FOR NET INCOME AVAILABLE TO EASTGROUP PROPERTIES, INC. COMMON STOCKHOLDERS [Abstract]
Net income attributable to common stockholders	$ 58,644	$ 44,690
Weighted average shares outstanding (in shares)	47,860	43,751
DILUTED EPS COMPUTATION FOR NET INCOME ATTRIBUTABLE TO EASTGROUP PROPERTIES, INC. COMMON STOCKHOLDERS
Net Income Attributable to Common Stockholders	$ 58,644	$ 44,690
Weighted average shares outstanding (in shares)	47,860	43,751
Effect of dilutive securities	101	72
Weighted average diluted shares outstanding (in shares)	47,961	43,823