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EARNINGS PER SHARE (Details) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended
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Mar. 31, 2021 | Mar. 31, 2020
BASIC EPS COMPUTATION FOR NET INCOME AVAILABLE TO EASTGROUP PROPERTIES, INC. COMMON STOCKHOLDERS [Abstract] |  |
Numerator - net income attributable to common stockholders | $ 27,339 | $ 23,297
Denominator - Weighted average shares outstanding | 39,673 | 38,882
DILUTED EPS COMPUTATION FOR NET INCOME ATTRIBUTABLE TO EASTGROUP PROPERTIES, INC. COMMON STOCKHOLDERS |  |
Numerator - net income attributable to common stockholders | $ 27,339 | $ 23,297
Denominator - Weighted average shares outstanding | 39,673 | 38,882
Unvested restricted stock | 92 | 79
Total Shares | 39,765 | 38,961

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