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INVESTMENT IN UNCONSOLIDATED REAL ESTATE VENTURES - Narrative (Details) $ in Thousands, ft² in Millions | 12 Months Ended
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Dec. 31, 2023 USD ($) ft² a property apartment | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |
Number of real estate properties | property | 72 |  |
Investment balance | $ | $ 552,494 | $ 532,224 |
Accounts receivable | $ | 11,977 | 11,003 |
Real Estate Venture |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Accounts receivable | $ | 3,500 | 2,900 |
Management Fees | Real Estate Venture |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Service and other revenue | $ | 8,100 | 8,200 | $ 8,100
Lease Commission Income | Real Estate Venture |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Service and other revenue | $ | 3,800 | $ 2,500 | $ 3,800
Unconsolidated Real Estate Ventures |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investment balance | $ | $ 552,500 |  |
Unconsolidated Real Estate Ventures | Minimum |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity method investment, ownership percentage | 15.00% |  |
Unconsolidated Real Estate Ventures | Maximum |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Equity method investment, ownership percentage | 78.00% |  |
Unconsolidated Real Estate Ventures | Office Properties |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Number of unconsolidated investments in real estate ventures | property | 5 |  |
Rentable area (in square feet) | ft² | 9.1 |  |
Unconsolidated Real Estate Ventures | Other Liabilities |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Investment balance | $ | $ 48,700 |  |
Unconsolidated Real Estate Ventures | Unconsolidated Properties |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Number of real estate properties | property | 12 |  |
Number of real estate properties with negative investment balances | property | 1 |  |
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 |  |
Land area | 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 | 4 |  |
Land area | a | 7.5 |  |
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 property units | apartment | 250 |  |

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