EARNINGS PER SHARE (Details) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
BASIC EPS COMPUTATION FOR NET INCOME AVAILABLE TO EASTGROUP PROPERTIES, INC. COMMON STOCKHOLDERS [Abstract]
Numerator - net income available to common stockholders	$ 186,182	$ 157,557	$ 108,363
Denominator - weighted average shares outstanding (in shares)	42,599	40,255	39,185
DILUTED EPS COMPUTATION FOR NET INCOME ATTRIBUTABLE TO EASTGROUP PROPERTIES, INC. COMMON STOCKHOLDERS [Abstract]
Numerator - net income available to common stockholders	$ 186,182	$ 157,557	$ 108,363
Denominator: [Abstract]
Weighted average shares outstanding	42,599	40,255	39,185
Unvested restricted stock (in shares)	113	122	111
Total Shares (in shares)	42,712	40,377	39,296