Provision for Income Taxes - Schedule of provision for income taxes (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
| Current | |||
| Federal | $ 0 | $ 0 | $ 0 |
| State and local | 43 | 26 | 9 |
| International | (2) | 443 | 214 |
| Total current income tax expense | 41 | 469 | 223 |
| Deferred | |||
| Federal | 58,116 | (96,852) | (17,943) |
| State and local | (20,267) | (10,750) | (2,174) |
| International | 2,178 | (1,032) | 0 |
| Valuation allowance | (40,858) | 107,937 | 18,344 |
| Total deferred income tax expense (benefit) | (831) | (697) | (1,773) |
| Total provision for (benefit from) income taxes | $ (790) | $ (228) | $ (1,550) |
| X | ||||||||||
- Definition Represents the component of income tax expense for the period representing the valuation allowance in the entity's deferred tax assets and liabilities pertaining to continuing operations. No definition available.
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| X | ||||||||||
- Definition Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of current foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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| X | ||||||||||
- Definition Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of deferred foreign income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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