ACQUISITIONS AND DISPOSITIONS - Narrative (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023 USD ($) acquisition apartmentCommunity transaction	Sep. 30, 2022 USD ($) apartmentCommunity	Sep. 30, 2023 USD ($) transaction apartmentCommunity acquisition	Sep. 30, 2022 USD ($) apartmentCommunity
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Acquisition costs				$ 211,874
2023 Quarter To Date Disposals
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of exchange transactions | transaction	1
2023 Year To Date Disposals
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of exchange transactions | transaction			5
2023 Acquisitions
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of acquisitions during period | acquisition	0		0
2022 Acquisitions
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Acquisition costs		$ 95,000		$ 211,900
Disposed of by Sale
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale Price	$ 226,755		$ 226,755
Disposed of by Sale | 2023 Quarter To Date Disposals
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale Price	$ 82,500		82,500
Number of properties sold | apartmentCommunity	4
Disposed of by Sale | 2022 Disposals
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of properties sold | apartmentCommunity		0		0
Disposed of by Sale | 2023 Year To Date Disposals
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Sale Price	$ 226,800		$ 226,800
Number of properties sold | apartmentCommunity			13