Equity Method Investment, Ownership Percentage Acquired

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Estimated Gain (Loss) due to Obligation to Satisfy Put Option to JV Agreement

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Number of real estate properties acquired.

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Obligation to Satisfy JV Partner’s Put Option

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Percent of Unreturned Capital Contributions as Sale Price of Membership Interest

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Period Following Expiration of Negotiation Period to Exercise a Call Option to Purchase Membership Interest

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Area of land held.

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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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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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Net rentable area for properties owned.

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The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group.

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The carrying amount of investments in unconsolidated real estate and other joint ventures not separately presented. This includes direct and indirect investments.

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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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INVESTMENT IN UNCONSOLIDATED JOINT VENTURE (Details) $ in Thousands		3 Months Ended		9 Months Ended
	Oct. 05, 2020 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($)	Jun. 28, 2019 USD ($) ft² numberOfProperties
Schedule of Equity Method Investments [Line Items]
Investment in unconsolidated joint venture		$ 464		$ 464		$ 1,000
Investment in an unconsolidated joint venture				0	$ 935
Equity in (loss) income of unconsolidated joint venture		$ (402)	$ 13	(837)	13
Impairment charges				$ 5,800
210 W. Chicago \| Office Building
Schedule of Equity Method Investments [Line Items]
Period following expiration of negotiation				120 days
Percent of unreturned capital contributions as sale price of membership interest		125.00%		125.00%
210 W. Chicago \| Office Building \| KBS Growth & Income REIT, Inc.
Schedule of Equity Method Investments [Line Items]
Ownership percentage		50.00%		50.00%
JV Partner \| 210 W. Chicago \| Office Building
Schedule of Equity Method Investments [Line Items]
Number of real estate properties acquired \| numberOfProperties							1
Net rentable area \| ft²							16,239
Area of land \| ft²							8,072
Investment in unconsolidated joint venture							$ 5,400
Current borrowing capacity							$ 3,800
Ownership percentage		50.00%		50.00%
Estimated loss) due to obligation to satisfy put option to JV agreement		$ 300
JV Partner \| 210 W. Chicago \| Office Building \| Subsequent Event
Schedule of Equity Method Investments [Line Items]
Membership interest acquired	50.00%
Investment in an unconsolidated joint venture	$ 1,100
Equity Method Investee \| 210 W. Chicago \| Office Building
Schedule of Equity Method Investments [Line Items]
Investment in unconsolidated joint venture		500		$ 500
Equity in (loss) income of unconsolidated joint venture		(400)	$ 13	(800)	$ 13
Impairment charges				500
Obligation to satisfy JV partner’s put option		$ 1,100		$ 1,100