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INVESTMENT IN UNCONSOLIDATED REAL ESTATE VENTURES - Narrative (Details) $ in Thousands, ft² in Millions |  |  | 3 Months Ended |
--- | --- | --- | --- | ---
Dec. 20, 2024 USD ($) portfolio | Jun. 28, 2024 USD ($) property | Mar. 31, 2025 USD ($) ft² a property apartment | Mar. 31, 2024 USD ($) | Dec. 31, 2024 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Number of real estate properties | property |  |  | 64 |  |
Accounts receivable |  |  | $ 13,573 |  | $ 12,703
Investment in real estate ventures |  |  | 570,370 |  | 570,455
KB JV |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Repayments of debt | $ 13,000 |  |  |  |
KB JV |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Proceeds from sale of buildings | $ 66,800 |  |  |  |
Real Estate Venture |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Accounts receivable |  |  | 5,800 |  | $ 5,000
Real Estate Venture | Management Fees |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Service and other revenue |  |  | 1,000 | $ 1,900 |
Real Estate Venture | Leasing Commission Income |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Service and other revenue |  |  | 1,500 | $ 600 |
Unconsolidated Real Estate Ventures |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Investment in unconsolidated real estate ventures |  |  | $ 570,400 |  |
Unconsolidated Real Estate Ventures | Minimum |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Equity method investment, ownership percentage |  |  | 20.00% |  |
Unconsolidated Real Estate Ventures | Maximum |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Equity method investment, ownership percentage |  |  | 85.00% |  |
Unconsolidated Real Estate Ventures | Office Properties |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Number of unconsolidated investments in Real Estate Ventures | property |  |  | 4 |  |
Rentable area (in square feet) | ft² |  |  | 4.3 |  |
Unconsolidated Real Estate Ventures | Unconsolidated Properties |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Number of real estate properties | property |  |  | 9 |  |
Unconsolidated Real Estate Ventures | Building |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Number of unconsolidated investments in Real Estate Ventures | property |  |  | 1 |  |
Number of apartment units (in units) | apartment |  |  | 341 |  |
Unconsolidated Real Estate Ventures | Land Held For Development |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Number of unconsolidated investments in Real Estate Ventures | property |  |  | 2 |  |
Area of land (in acres) | a |  |  | 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 | property |  |  | 1 |  |
Unconsolidated Real Estate Ventures | Mixed Use Tower |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Number of unconsolidated investments in Real Estate Ventures | property |  |  | 1 |  |
Rentable area (in square feet) | ft² |  |  | 0.2 |  |
Number of apartment units (in units) | apartment |  |  | 326 |  |
KB JV |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Equity method investment, ownership percentage |  | 50.00% |  |  |
Number of properties contributed to joint venture | property |  | 14 |  |  |
Investment in real estate ventures |  | $ 26,000 |  |  |
Number of properties sold | portfolio | 14 |  |  |  |
Proceeds from real estate venture sales | $ 15,500 |  |  |  |
Percentage of ownership interest sold | 0.50 |  |  |  |
KB JV | Loan With Related Party |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Amount of transaction |  | $ 13,000 |  |  |

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