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INVESTMENT IN UNCONSOLIDATED REAL ESTATE VENTURES - Narrative (Details) $ in Thousands, ft² in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 USD ($) a ft² property apartment | Jun. 30, 2022 USD ($) | Jun. 30, 2023 USD ($) a ft² property apartment | Jun. 30, 2022 USD ($) | Dec. 31, 2022 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Number of real estate properties | 76 |  | 76 |  |
Accounts receivable | $ | $ 11,654 |  | $ 11,654 |  | $ 11,003
Real Estate Venture |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Accounts receivable | $ | 3,100 |  | 3,100 |  | $ 2,900
Management Fees | Real Estate Venture |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Service and other revenue | $ | 2,100 | $ 2,100 | 4,200 | $ 4,000 |
Leasing Commission Income | Real Estate Venture |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Service and other revenue | $ | 800 | $ 800 | 1,500 | $ 1,100 |
Unconsolidated Real Estate Ventures |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Investment in unconsolidated real estate ventures | $ | $ 589,200 |  | $ 589,200 |  |
Unconsolidated Real Estate Ventures | Minimum |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Equity method investment, ownership percentage | 15.00% |  | 15.00% |  |
Unconsolidated Real Estate Ventures | Maximum |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Equity method investment, ownership percentage | 78.00% |  | 78.00% |  |
Unconsolidated Real Estate Ventures | Office Properties |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Number of unconsolidated investments in Real Estate Ventures | 5 |  | 5 |  |
Rentable area (in square feet) | ft² | 9.1 |  | 9.1 |  |
Unconsolidated Real Estate Ventures | Other Liabilities |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Investment in unconsolidated real estate ventures | $ | $ 41,300 |  | $ 41,300 |  |
Unconsolidated Real Estate Ventures | Unconsolidated Properties |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Number of real estate properties | 12 |  | 12 |  |
Number of properties with negative investment balances | 1 |  | 1 |  |
Unconsolidated Real Estate Ventures | Land Held For Development |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Number of unconsolidated investments in Real Estate Ventures | 2 |  | 2 |  |
Area of land (in acres) | a | 1.4 |  | 1.4 |  |
Unconsolidated Real Estate Ventures | Land Under Active Development |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Number of unconsolidated investments in Real Estate Ventures | 4 |  | 4 |  |
Area of land (in acres) | a | 7.5 |  | 7.5 |  |
Unconsolidated Real Estate Ventures | Mixed Use Tower |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Number of unconsolidated investments in Real Estate Ventures | 1 |  | 1 |  |
Rentable area (in square feet) | ft² | 0.2 |  | 0.2 |  |
Number of apartment units (in units) | apartment | 250 |  | 250 |  |

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