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Amount paid to managing member or general partner, affiliate of managing member or general partner, or affiliate of limited liability company (LLC) or limited partnership (LP) for administrative services provided to the LLC or LP, for example, but not limited to, salaries, rent, or overhead costs.

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

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RELATED PARTY TRANSACTIONS (Details) $ in Thousands		3 Months Ended		6 Months Ended
RELATED PARTY TRANSACTIONS (Details) $ in Thousands	Nov. 08, 2017 property	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Dec. 31, 2017 USD ($)
Related Party Transaction [Line Items]
Payable as of		$ 39		$ 39		$ 26
Payment for administrative fees		78	$ 64	161	$ 119
Singapore Portfolio
Related Party Transaction [Line Items]
Number of real estate properties disposed \| property	11
Advisor and Dealer Manager
Related Party Transaction [Line Items]
Capitalized		3,075	4,091	7,492	7,743
Payable as of		39		39		26
Advisor and Dealer Manager \| Asset management fees
Related Party Transaction [Line Items]
Expensed		2,217	2,856	4,043	5,603
Payable as of		0		0		0
Advisor and Dealer Manager \| Reimbursable operating expenses
Related Party Transaction [Line Items]
Expensed		115	64	198	133
Payable as of		39		39		26
Advisor and Dealer Manager \| Disposition fees
Related Party Transaction [Line Items]
Expensed		0	785	0	785
Payable as of		0		0		0
Advisor and Dealer Manager \| Acquisition fees on real estate
Related Party Transaction [Line Items]
Capitalized		734	0	3,094	836
Payable as of		0		0		0
Advisor and Dealer Manager \| Acquisition fees on real estate equity securities
Related Party Transaction [Line Items]
Capitalized		9	386	157	386
Payable as of		0		0		$ 0
KBS Capital Advisors LLC \| Evaluate certain strategic transactions
Related Party Transaction [Line Items]
Capitalized			$ 400
KBS Capital Advisors LLC \| Property insurance rebate
Related Party Transaction [Line Items]
Capitalized		$ 100		$ 100	$ 100