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Share-based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2020
Share-based Payment Arrangement [Abstract] |
Summary of share-based compensation expense | Share-based compensation expense was as follows:
| For the three months ended June 30, |  |  |  | For the six months ended June 30, |  |
| 2020 |  | 2019 |  | 2020 |  | 2019
Continuing operations |  |  |  |  |  |  |
Stock options, net of estimated forfeitures | $ | 492 |  |  | $ | 1,340 |  |  | $ | 931 |  |  | $ | 2,163 |
Restricted stock awards | 4,123 |  |  | 3,408 |  |  | 5,665 |  |  | 5,572 |
Total continuing operations | $ | 4,615 |  |  | $ | 4,748 |  |  | $ | 6,596 |  |  | $ | 7,735 |
Discontinued operations |  |  |  |  |  |  |
Share-based compensation expense for discontinued operations | 6 |  |  | 106 |  |  | 9 |  |  | 269 |
Total continuing and discontinued operations | $ | 4,621 |  |  | $ | 4,854 |  |  | $ | 6,605 |  |  | $ | 8,004 |

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