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Share-based Compensation Plans (Tables) | 12 Months Ended
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Dec. 31, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Summary of restricted stock or restricted stock unit activity | A summary of restricted stock or restricted stock unit (collectively called “restricted stock”) activity during 2016 is as follows:
| Weighted Average Grant Date Fair Market Value |  | Shares
Restricted stock outstanding at December 31, 2015 | $ | 7.97 |  |  | 3,319,467 |
Granted | 5.66 |  |  | 1,689,300 |
Vested | 7.00 |  |  | (1,707,711 | )
Forfeited | 4.24 |  |  | (154,384 | )
Restricted stock outstanding at December 31, 2016 | $ | 7.44 |  |  | 3,146,672 |

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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for restricted stock or restricted stock units (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + References No definition available. + Details
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