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Share and Incentive-Based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Summary of Unvested Restricted Stock Awards | The following table presents a summary of the Company’s unvested restricted stock awards:
| Number of Shares |  | Weighted Average Grant Date Fair Value
| (In thousands) |  |
Unvested restricted shares outstanding at December 31, 2017 | 1,105 |  |  | $ | 22.62 |
Granted | 3 |  |  | $ | 15.45 |
Vested | (228 | ) |  | $ | 22.96 |
Forfeited / Canceled | (17 | ) |  | $ | 21.39 |
Unvested restricted shares outstanding at March 31, 2018 | 863 |  |  | $ | 22.53 |
Schedule of Nonvested Performance-based Units Activity | The following table presents a summary of the Company’s performance share units:
| Number of Units |  | Fair Value per Unit at March 31, 2018
| (In thousands) |  |  |  |
Unvested performance share units outstanding at December 31, 2017 | 183 |  |  |  |  |
Granted | — |  |  |  |  |
Vested | (36 | ) |  |  |  |
Forfeited / Canceled | (3 | ) |  |  |  |
Unvested performance share units outstanding at March 31, 2018 | 144 |  |  | $ | 19.94 |  | - | $ | 20.00 |
Schedule of Nonvested Incentive Performance Unit Activity | The following table presents a summary of the Company’s performance units:
| Number of Units |  | Fair Value per Unit at March 31, 2018
| (In thousands) |  |
Unvested performance units outstanding at December 31, 2017 | 49 |  |  |
Granted | — |  |  |
Vested | (10 | ) |  |
Forfeited / Canceled | (1 | ) |  |
Unvested performance units outstanding at March 31, 2018 | 38 |  |  | $ | 100.00 |

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock shares. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the changes in outstanding nonvested performance-based units. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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