Annualized base rent.

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- Definition

Average Annualized Base Rent Per Square Foot1

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- Definition

Non compounded Return on Net Invested Capital

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- Definition

Percent of Total Rentable Square Feet

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- Definition

Rental Income

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- Definition

Carrying amount as of the balance sheet date of obligations due all related parties.

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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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Net rentable area for properties owned.

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- Definition

Amount of transactions with related party during the financial reporting period.

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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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RELATED PARTY TRANSACTIONS - Additional Information (Details) $ in Thousands			3 Months Ended
	Mar. 14, 2019 USD ($) $ / ft²	May 29, 2015 USD ($) ft² $ / ft²	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)	Nov. 01, 2019
Related Party Transaction [Line Items]
Non-compounded return on net invested capital			8.00%
Payable as of			$ 10,130		$ 7,886
Annualized base rent			94,085
Affiliated Entity \| Subsidiaries
Related Party Transaction [Line Items]
Net rentable area \| ft²		5,046
Percent of total rentable square feet		2.40%
Annualized base rent	$ 300	$ 200
Average annualized base rent per square foot \| $ / ft²	62.55	46.38
Rental income			81	$ 60
KBS Capital Advisors LLC
Related Party Transaction [Line Items]
Incurred			0	0
Asset management fees
Related Party Transaction [Line Items]
Payable as of			8,900		6,700
Advisor and Dealer Manager
Related Party Transaction [Line Items]
Incurred			5,316	$ 7,444
Payable as of			10,130		7,886
Advisor and Dealer Manager \| Asset management fees
Related Party Transaction [Line Items]
Payable as of			$ 8,878		$ 6,674
Advisor and Dealer Manager \| GKP Holding LLC [Member]
Related Party Transaction [Line Items]
Ownership percentage						33.33%