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Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Jan. 01, 2017	Dec. 31, 2016
Variable Interest Entity [Line Items]
Cumulative effect of adoption of ASU 2016-09				$ 6,484
Deferred tax assets	$ 44,964			38,301
Payment of debt extinguishment costs	0	$ (12,028)
Accumulated Deficit
Variable Interest Entity [Line Items]
Cumulative effect of adoption of ASU 2016-09				6,484
ASU 2016-09
Variable Interest Entity [Line Items]
Deferred tax assets			$ 6,484
ASU 2016-09 | Accumulated Deficit
Variable Interest Entity [Line Items]
Cumulative effect of adoption of ASU 2016-09			$ 6,484
Operating Partnership
Variable Interest Entity [Line Items]
Total assets	371,030			376,445
Total liabilities	207,675			209,158
Operating Partnership | Property, net
Variable Interest Entity [Line Items]
Total assets	300,149			307,582
Operating Partnership | Other assets
Variable Interest Entity [Line Items]
Total assets	70,881			68,863
Operating Partnership | Mortgage notes payable
Variable Interest Entity [Line Items]
Total liabilities	130,403			133,245
Operating Partnership | Other liabilities
Variable Interest Entity [Line Items]
Total liabilities	$ 77,272			$ 75,913

X

- Definition

Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
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