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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 ($) apartmentCommunity | Dec. 31, 2024 USD ($)
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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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