Income Taxes (Details) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2018 |
Mar. 31, 2017 |
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| Income Taxes | ||
| Effective tax rate (as a percent) | 16.50% | 63.80% |
| Tax benefit related to share-based compensation | $ 2,614 | $ 828 |
| Tax benefit related to legal settlement | $ 11,800 | |
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- Definition The total recognized tax benefit related to a legal settlement. No definition available.
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| X | ||||||||||
- Definition Percentage 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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| X | ||||||||||
- Definition The total recognized tax benefit related to compensation cost for equity-based payment arrangements recognized in income during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- References No definition available.
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