ACQUISITIONS - Additional Information (Details) $ in Millions	1 Months Ended
Apr. 30, 2025 USD ($) ft² unit	Mar. 31, 2025 ft²
Office
Asset Acquisition [Line Items]
Square footage \| ft²		412,812
Legacy West \| GIC joint venture \| Subsequent Event
Asset Acquisition [Line Items]
Square footage \| ft²	344,076
Acquisition price	$ 785.0
Share of purchase price	408.2
Proceeds from unsecured revolving line of credit	$ 255.0
Ownership percentage in equity method investment (as a percent)	52.00%
Legacy West \| GIC joint venture \| Subsequent Event \| Mortgages Payable
Asset Acquisition [Line Items]
Debt assumed	$ 304.0
Interest rate (as a percent)	3.80%
Legacy West \| Office \| GIC joint venture \| Subsequent Event
Asset Acquisition [Line Items]
Square footage \| ft²	443,553
Legacy West \| Multifamily \| GIC joint venture \| Subsequent Event
Asset Acquisition [Line Items]
Number of multifamily rental units \| unit	782

Area of a real estate property.

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Amount of consideration transferred in asset acquisition. Includes, but is not limited to, cash, liability incurred by acquirer, and equity interest issued by acquirer.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Contractual interest rate for funds borrowed, under the debt agreement.

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Fair value portion of investments accounted under the equity method.

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The fair value of loans assumed in noncash investing or financing activities.

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The number of units in a real estate property owned as of the balance sheet date.

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The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity that is uncollateralized (where debt is not backed by the pledge of collateral).

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