Basis of Presentation and Principles of Consolidation - Recently Issued Accounting Pronouncements (Details) - Accounting Standards Update 2016-09 $ in Thousands	Jan. 01, 2017 USD ($)
Adjustment
Recently Issued Accounting Pronouncements
Deferred tax asset	$ 1,300
Deferred tax asset, valuation allowance	1,300
Accumulated Deficit
Recently Issued Accounting Pronouncements
Cumulative effect adjustment of new accounting principle	$ (69,071)

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.

No definition available.

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- Definition

Amount before 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)
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32537-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Glossary Deferred Tax Asset
-URI http://asc.fasb.org/extlink&oid=6510090

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

+ References

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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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