Income Taxes (Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
|
| Deferred Tax Assets | |||
| Deferred revenue | $ 5,642 | $ 5,723 | |
| Prepaid expenses and accruals | 3,302 | 1,459 | |
| Deferred rent and lease incentives | 4,255 | 3,419 | |
| Net operating loss and tax credit carryforwards | 78,689 | 66,896 | |
| Property and equipment and intangible assets | (73,778) | (51,182) | |
| Stock-based compensation expense | 7,667 | 6,894 | |
| Convertible notes | (11,918) | (2,886) | |
| Other | 1,032 | 1,221 | |
| Total deferred tax assets | 14,891 | 31,544 | |
| Less valuation allowance | (15,531) | (32,513) | |
| Net deferred tax (liabilities) | (640) | (969) | |
| Tax Cuts and Jobs Act of 2017, income tax expense (benefit) | 814 | ||
| BEAT Liability | 3,760 | 0 | $ 0 |
| Valuation allowance related to capital losses | 15,531 | 32,513 | |
| Foreign earnings, tax liability | $ 4,500 | ||
| Undistributed earnings of foreign subsidiaries | $ 33,000 | $ 20,600 | |
| X | ||||||||||
- Definition Deferred tax asset, before valuation allowance, attributable to net operating loss carryforwards and tax credit carryforwards expected to be realized after one year. No definition available.
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax liability attributable to convertible debt. No definition available.
|
| X | ||||||||||
- Definition Deferred tax assets valuation allowance related to capital losses. No definition available.
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences derived from prepaid expenses and accruals. No definition available.
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences from property, equipment and intangible assets. No definition available.
|
| X | ||||||||||
- Definition Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act of 2017, Amount No definition available.
|
| X | ||||||||||
- Definition Tax Cuts and Jobs Act of 2017, Income Tax Expense (Benefit) No definition available.
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from deferred rent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiaries and other recognized entities not within the country of domicile of the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|
| X | ||||||||||
- Definition Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile. Reference 1: http://www.xbrl.org/2003/role/presentationRef
|