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v3.20.1

Stock-based compensation (Tables) | 3 Months Ended
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Mar. 31, 2020
Executive Officers |
Schedule of Unvested Restricted Stock Units Roll Forward | The following table summarizes the restricted stock and performance shares activity under the Incentive Plan for members of management.
(Not in thousands) | Shares |  | Weighted-Average Grant Date Fair Value
Non-vested at December 31, 2018 | 382,186 | $ | 36.41
Granted | 218,169 |  | 55.55
Performance Shares Quantity Adjustment | 15,061 |  | 55.72
Vested | (270,051) |  | 44.73
Non-vested at December 31, 2019 | 345,365 | $ | 41.68
Granted | 152,521 |  | 47.68
Performance Shares Quantity Adjustment | (7) |  | 48.79
Vested | (160,333) |  | 44.17
Non-vested at March 31, 2020 | 337,546 | $ | 42.83
Directors |
Schedule of Unvested Restricted Stock Units Roll Forward | The following table summarizes the restricted stock activity under the Incentive Plan for members of the Board of Directors:
(Not in thousands) | Restricted Stock shares |  | Weighted-Average Grant Date Fair Value per Share | Restricted Stock units |  | Weighted-Average Grant Date Fair Value per Unit
Non-vested at December 31, 2018 | - | $ | - | - | $ | -
Granted | 1,052 |  | 49.25 | 27,449 |  | 57.64
Vested | (1,052) |  | 49.25 | (27,449) |  | 57.64
Forfeited | - |  | - | - |  | -
Non-vested at December 31, 2019 | - | $ | - | - | $ | -
Granted | - |  | - | 298 |  | 59.29
Vested | - |  | - | (298) |  | 59.29
Forfeited | - |  | - | - |  | -
Non-vested at March 31, 2020 | - | $ | - | - | $ | -

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- Definition Tabular disclosure of the change in restricted stock units (RSUs). + References No definition available. + Details
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