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SUBSEQUENT EVENTS (Notes)	3 Months Ended
SUBSEQUENT EVENTS (Notes)	Mar. 31, 2017
Subsequent Event [Line Items]
Subsequent Events [Text Block]	Subsequent to quarter end, EastGroup acquired 30 acres of land in the Round Rock submarket of Austin for $5.3 million. EastGroup's plans for future development of the land include a master-planned, multi-phased development project to be named Settlers Crossing which will consist of four business distribution buildings totaling approximately 340,000 square feet.