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SEGMENTS - Revenues and Net Operating Income (Loss) for Reportable Segments (Details) | 12 Months Ended
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Dec. 31, 2024 USD ($) apartmentCommunity segment | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Segment Reporting Information [Line Items] |  |  |
Number of reportable segments | segment | 1 |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenue | $ 260,983,000 | $ 261,309,000 | $ 256,716,000
Property operating expenses |  |  |
On-site compensation | 27,146,000 | 27,903,000 | 27,344,000
Repairs and maintenance | 15,401,000 | 15,680,000 | 17,696,000
Utilities | 15,524,000 | 17,019,000 | 19,372,000
Administrative and marketing | 7,183,000 | 6,229,000 | 5,914,000
Insurance | 11,084,000 | 10,222,000 | 9,744,000
Real estate taxes | 26,906,000 | 28,759,000 | 28,567,000
Net operating income | 157,739,000 | 155,497,000 | 148,079,000
Property management expenses | (9,128,000) | (9,353,000) | (9,895,000)
Casualty loss | (3,307,000) | (2,095,000) | (1,591,000)
Depreciation and amortization | (106,450,000) | (101,678,000) | (105,257,000)
Impairment of real estate investments | 0 | (5,218,000) | 0
General and administrative expenses | (17,802,000) | (20,080,000) | (17,516,000)
Gain (loss) on sale of real estate and other investments | (577,000) | 71,244,000 | 41,000
Loss on litigation settlement | 0 | (3,864,000) | 0
Interest expense | (37,280,000) | (36,429,000) | (32,750,000)
Interest and other income | 2,613,000 | 1,207,000 | 1,248,000
NET INCOME (LOSS) | $ (14,192,000) | 49,231,000 | (17,641,000)
Disposed of by Sale |  |  |
Segment Reporting Information [Line Items] |  |  |
Number of properties sold, reclassified to other | apartmentCommunity | 2 |  |
Operating Segments | Multifamily |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenue | $ 257,865,000 | 243,515,000 | 221,836,000
Property operating expenses |  |  |
On-site compensation | 27,060,000 | 25,934,000 | 23,038,000
Repairs and maintenance | 15,142,000 | 13,953,000 | 14,300,000
Utilities | 15,300,000 | 15,421,000 | 15,845,000
Administrative and marketing | 7,147,000 | 5,804,000 | 5,130,000
Insurance | 10,983,000 | 9,399,000 | 8,007,000
Real estate taxes | 26,317,000 | 26,722,000 | 24,524,000
Net operating income | 155,916,000 | 146,282,000 | 130,992,000
All Other |  |  |
Segment Reporting Information, Profit (Loss) [Abstract] |  |  |
Revenue | 3,118,000 | 17,794,000 | 34,880,000
Property operating expenses |  |  |
On-site compensation | 86,000 | 1,969,000 | 4,306,000
Repairs and maintenance | 259,000 | 1,727,000 | 3,396,000
Utilities | 224,000 | 1,598,000 | 3,527,000
Administrative and marketing | 36,000 | 425,000 | 784,000
Insurance | 101,000 | 823,000 | 1,737,000
Real estate taxes | 589,000 | 2,037,000 | 4,043,000
Net operating income | $ 1,823,000 | $ 9,215,000 | $ 17,087,000

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