XML 13 R1.htm IDEA: XBRL DOCUMENT v3.3.1.900
Document and Entity Information - USD ($)
3 Months Ended
Mar. 31, 2016
Apr. 21, 2016
Jun. 30, 2015
Document and Entity Information [Abstract]      
Entity Registrant Name EastGroup Properties Inc    
Entity Central Index Key 0000049600    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 1,747,077,000
Entity Common Stock, Shares Outstanding   32,429,497  
Document Fiscal Year Focus 2016    
Document Fiscal Period Focus Q1    
Document Type 10-Q    
Amendment Flag false    
Document Period End Date Mar. 31, 2016