The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66011266&loc=d3e33918-111571

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- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3213-108585

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- Definition

Amount of distribution received from equity method investee for return of investment, classified as investing activities. Excludes distribution for return on investment, classified as operating activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 21D
-URI http://asc.fasb.org/extlink&oid=98514028&loc=SL94080555-108585

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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.

+ References

No definition available.

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Investment in Unconsolidated Joint Venture (Details) - USD ($) $ in Thousands	6 Months Ended		22 Months Ended	28 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017	Jun. 30, 2018
Schedule of Equity Method Investments [Line Items]
Number of real estate properties	86			86
Cumulative equity contributions	$ 0	$ 1,291
Cumulative distributions	$ 4,750	$ 400
Corporate Joint Venture
Schedule of Equity Method Investments [Line Items]
Equity method investment, ownership percentage	20.00%		20.00%	20.00%
Number of real estate properties	14		14	14
Cumulative equity contributions			$ 17,456	$ 17,456
Cumulative distributions			$ 950	$ 5,700
Corporate Joint Venture \| Maximum
Schedule of Equity Method Investments [Line Items]
Cumulative equity contributions	$ 50,000