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Share-Based Payments (Tables) | 9 Months Ended
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Sep. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Schedule of Stock Option and Restricted Stock Unit Compensation Expense | Compensation expense, included within other selling and administrative expenses in the consolidated statements of operations, related to stock options and RSUs is as follows:
| For the Three Months Ended |  | For the Nine Months Ended
| September 30, 2018 |  | September 30, 2017 |  | September 30, 2018 |  | September 30, 2017
| (In thousands)
Stock option compensation expense | $ | 2,751 |  |  | $ | 3,446 |  |  | $ | 6,125 |  |  | $ | 9,262 |
RSU compensation expense | 11,019 |  |  | 13,583 |  |  | 30,062 |  |  | 38,320 |
| $ | 13,770 |  |  | $ | 17,029 |  |  | $ | 36,187 |  |  | $ | 47,582 |

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- Definition Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation award type. + References No definition available. + Details
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- References No definition available. + Details
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