INVESTMENT IN UNCONSOLIDATED REAL ESTATE VENTURES - Narrative (Details) $ in Thousands, ft² in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024 USD ($) ft² a property apartment	Jun. 30, 2023 USD ($)	Jun. 30, 2024 USD ($) ft² a property apartment	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Schedule of Equity Method Investments [Line Items]
Number of real estate properties	72		72
Accounts receivable | $	$ 10,867		$ 10,867		$ 11,977
Real Estate Venture
Schedule of Equity Method Investments [Line Items]
Accounts receivable | $	3,600		3,600		$ 3,500
Real Estate Venture | Management Fees
Schedule of Equity Method Investments [Line Items]
Service and other revenue | $	1,900	$ 2,100	3,700	$ 4,200
Real Estate Venture | Leasing Commission Income
Schedule of Equity Method Investments [Line Items]
Service and other revenue | $	900	$ 800	1,500	$ 1,500
Unconsolidated Real Estate Ventures
Schedule of Equity Method Investments [Line Items]
Investment in unconsolidated real estate ventures | $	$ 680,100		$ 680,100
Unconsolidated Real Estate Ventures | Minimum
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	5.00%		5.00%
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	6		6
Rentable area (in square feet) | ft²	9.1		9.1
Unconsolidated Real Estate Ventures | Unconsolidated Properties
Schedule of Equity Method Investments [Line Items]
Number of real estate properties	13		13
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