REAL ESTATE PROPERTIES (Details) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) Integer	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Real Estate Properties [Line Items]
Number of Reporting Units | Integer				1
Depreciation Expense		$ 37,646	$ 34,690	$ 74,851	$ 68,536
Real Estate Properties
Land		850,349		850,349		$ 814,364
Building and building improvements		3,459,744		3,459,744		3,336,615
Tenant and other improvements		711,773		711,773		684,573
Right of use assets - Ground leases (operating)	[1]	17,333		17,333		17,996
Development and value-add properties	[2]	693,072		693,072		639,647
Real estate, development and value-add properties		5,732,271		5,732,271		5,493,195
Less accumulated depreciation		(1,336,535)		(1,336,535)		(1,273,723)
Real estate, net		$ 4,395,736		$ 4,395,736		$ 4,219,472
Building [Member]
Real Estate Properties [Line Items]
Property, Plant and Equipment, Useful Life		40 years		40 years
Minimum [Member] | Building and Building Improvements
Real Estate Properties [Line Items]
Property, Plant and Equipment, Useful Life		3 years		3 years
Maximum [Member] | Building and Building Improvements
Real Estate Properties [Line Items]
Property, Plant and Equipment, Useful Life		15 years		15 years

[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.