ACQUISITIONS AND DISPOSITIONS - Narrative (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024 apartmentCommunity acquisition	Sep. 30, 2023 USD ($) transaction acquisition apartmentCommunity	Sep. 30, 2024 USD ($) transaction acquisition apartmentCommunity	Sep. 30, 2023 USD ($) apartmentCommunity acquisition transaction
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of acquisitions during period | acquisition	0	0	0	0
Number of exchange transactions | transaction		1	2	5
Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of properties sold | apartmentCommunity	0	4	2	13
Proceeds from Divestiture of Businesses | $		$ 82.5	$ 19.0	$ 226.8