EARNINGS PER SHARE (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
BASIC EPS COMPUTATION FOR NET INCOME AVAILABLE TO EASTGROUP PROPERTIES, INC. COMMON STOCKHOLDERS [Abstract]
Net income attributable to common stockholders	$ 55,287	$ 43,450	$ 113,931	$ 88,140
Weighted average shares outstanding (in shares)	48,248	44,656	48,054	44,204
DILUTED EPS COMPUTATION FOR NET INCOME ATTRIBUTABLE TO EASTGROUP PROPERTIES, INC. COMMON STOCKHOLDERS
Net Income Attributable to Common Stockholders	$ 55,287	$ 43,450	$ 113,931	$ 88,140
Weighted average shares outstanding (in shares)	48,248	44,656	48,054	44,204
Effect of dilutive securities	97	78	99	75
Weighted average diluted shares outstanding (in shares)	48,345	44,734	48,153	44,279