Income Taxes - (Textual) (Details) - USD ($)	9 Months Ended
Sep. 30, 2017	Dec. 31, 2016	Sep. 30, 2016
Income Tax Disclosure [Abstract]
Minimum percentage of gross income derived from qualifying sources to qualify as REIT	95.00%
Minimum percentage of taxable income distribution to stockholders to qualify as REIT	90.00%
Subsequent period during which entity would be disqualified as a REIT if during any tax year entity fails to qualify as a REIT	4 years
Deferred tax asset recognized	$ 1,000,000		$ 0
Accruals for tax uncertainties	$ 0	$ 0

Minimum percentage of gross income derived from qualifying sources to qualify as REIT.

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- Definition

Minimum percentage of taxable income distribution to stockholders to qualify as REIT.

+ References

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- Definition

Subsequent disqualification period if failed to qualify as Reit.

+ References

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- Definition

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (b),(c)
-URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319

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- Definition

Amount recognized for uncertainty in income taxes classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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