REAL ESTATE PROPERTIES (Details) $ in Thousands		3 Months Ended
		Mar. 31, 2026 USD ($) Integer	Mar. 31, 2025 USD ($)	Dec. 31, 2025 USD ($)
Real Estate Properties [Line Items]
Number of Reporting Units | Integer		1
Depreciation Expense		$ 45,199	$ 42,308
Real Estate Properties
Land		948,352		$ 951,787
Building and building improvements		4,245,312		4,173,416
Tenant and other improvements		836,107		829,609
Right of use assets - Ground leases (operating)	[1]	34,152		34,976
Development and value-add properties	[2]	698,412		710,200
Real estate, development and value-add properties		6,762,335		6,699,988
Accumulated depreciation		(1,608,368)		(1,583,532)
Real estate, basis		$ 5,153,967		$ 5,116,456

[1] EastGroup applies the principles of Financial Accounting Standards Board (“FASB”) Accounting Standards Codification (“ASC”) 842, Leases, and its related Accounting Standards Updates (“ASUs”) to account for its ground leases, which are classified as operating leases. The related operating lease liabilities for ground leases are included in Other liabilities on the Consolidated Balance Sheets.

[2] Value-add properties are defined in Note 6.