INVESTMENT IN UNCONSOLIDATED ENTITIES - Investment in Pacific Oak Opportunity Zone Fund I (Details) $ in Thousands	3 Months Ended
Mar. 31, 2022 USD ($) unit property	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)
Schedule of Equity Method Investments [Line Items]
Investments in unconsolidated entities (Note 10)	$ 88,934		$ 88,256
Pacific Oak Opportunity Zone Fund I
Schedule of Equity Method Investments [Line Items]
Number of units in real estate property \| unit	124
Investments in unconsolidated entities (Note 10)	$ 27,214		$ 27,215
Acquisition related costs	$ 200
Number of joint venture with real estate under development \| property	3
Loss on investments	$ (100)	$ (200)

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This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities.

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Amount of realized and unrealized gain (loss) on investment.

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- Definition

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

+ References

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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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