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Share-based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2019
Share-based Payment Arrangement [Abstract] |
Summary of share-based compensation expense | Share-based compensation expense was as follows:
| For the three months ended September 30, |  | For the nine months ended September 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Continuing operations |  |  |  |  |  |  |
Stock options, net of estimated forfeitures | $ | 708 |  |  | $ | 1,932 |  |  | $ | 2,871 |  |  | $ | (3,333 | )
Restricted stock awards | 751 |  |  | 4,456 |  |  | 6,323 |  |  | 12,905 |
Total continuing operations | $ | 1,459 |  |  | $ | 6,388 |  |  | $ | 9,194 |  |  | $ | 9,572 |
Discontinued operations |  |  |  |  |  |  |
Share-based compensation expense for discontinued operations | 119 |  |  | 173 |  |  | 387 |  |  | 920 |
Total continuing and discontinued operations | $ | 1,578 |  |  | $ | 6,561 |  |  | $ | 9,581 |  |  | $ | 10,492 |

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