v3.26.1
EQUITY OFFERINGS (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Dec. 05, 2025
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2024
Equity Offerings [Line Items]                
Issuance of shares of common stock     365,620 416,067 418,373      
Forward Equity Offering Activity [Roll Forward]                
Forward Sale Agreements Outstanding   1,040,457 [1] 252,136     1,040,457 [1] 0 385,253
Forward Sale Agreements Outstanding, price per share   $ 201.45 [1] $ 196.16     $ 201.45 [1]   $ 175.07
Forward Sale Agreements Outstanding, value   $ 209,603 [1] $ 49,459     $ 209,603 [1] $ 0 $ 67,446
Forward sale agreements settled, shares   0 0       (1,449,078) [2]  
Forward sale agreements settled — Weighted average price per share   — —          
Forward sale agreements settled, gross proceeds   $ 0 $ 0       $ (260,944) [2]  
New forward sale agreements, shares [3]   788,321 252,136       1,063,825  
New forward sale agreements, price per share [3]   $ 203.15 $ 196.16       $ 181.89  
New forward sale agreements, value [3]   $ 160,144 $ 49,459       $ 193,498  
Forward sale agreements settled, price per share [2]             $ 180.08  
Forward sale agreements settled, price per share             —  
ATM Program - October 2024                
Equity Offerings [Line Items]                
At-the-market program, maximum aggregate gross sales price $ 1,000,000              
Gross Proceeds from Issuance of Common Stock $ 479,899              
ATM Program - December 2025                
Equity Offerings [Line Items]                
At-the-market program, maximum aggregate gross sales price           $ 1,000,000    
Direct common stock issuances                
Equity Offerings [Line Items]                
Issuance of shares of common stock [4]   0 365,620     365,620 33,120  
Sale of stock, weighted average price per share   $ 0 $ 191.46     $ 191.46 $ 183.15  
Gross Proceeds from Issuance of Common Stock   $ 0 $ 70,000     $ 70,000 $ 6,066  
Net proceeds from issuance of common stock   $ 0 $ 69,300     $ 69,300 $ 6,005  
[1] Available through forward equity sale agreements before the applicable settlement periods expire, which occur between March and June 2027.
[2] EastGroup settled outstanding forward equity sale agreements by issuing 1,449,078 shares of common stock in exchange for net proceeds of approximately $258,066,000
[3] The Company did not receive any proceeds from the sale of common shares by the forward counterparties at the time it entered into forward sale agreements.
[4] Excludes shares of common stock sold on a forward basis as described below.