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Real Estate Investments, Net - Dispositions (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2017 USD ($) property	Jun. 30, 2016 USD ($) property	Jun. 30, 2017 USD ($) property	Jun. 30, 2016 USD ($) property	Dec. 31, 2016 USD ($) property
Real Estate [Line Items]
Number of real estate properties held for sale (property) | property			0		0
Proceeds from sale of real estate investments			$ 12,440	$ 0
(Losses) gains on dispositions of real estate investments	$ (143)	$ 0	$ 814	$ 0
Properties Sold
Real Estate [Line Items]
Number of properties sold (property) | property	0	0	1	0
(Losses) gains on dispositions of real estate investments			$ 400
Properties Sold | Advisor
Real Estate [Line Items]
(Losses) gains on dispositions of real estate investments			(100)		$ 600
Kulicke & Soffa
Real Estate [Line Items]
Proceeds from sale of real estate investments			$ 13,000

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Number of Real Estate Properties Held for Sale

+ References

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- Definition

Number of Real Estate Properties Sold

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- Definition

The net gain (loss) resulting from sales and other disposals of real estate owned for investment purposes.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.14(d))
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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- Definition

Cash received from the sale of real estate that is held for investment, that is, it is part of an investing activity during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585

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- Definition

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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