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BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES - Schedule of Assets and Liabilities Held for Sale (Details) $ in Thousands	Sep. 30, 2025 USD ($) apartmentCommunity	Dec. 31, 2024 USD ($)
Accounting Policies [Abstract]
Number of apartment communities classified as held for sale | apartmentCommunity	7
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held for sale, net	$ 86,302	$ 0
Liabilities held for sale, net	420	$ 0
Disposal Group, Held-for-Sale, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total real estate investments	86,302
Assets held for sale, net	86,302
Accounts payable and accrued expenses	420
Liabilities held for sale, net	$ 420

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