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Stock Option And Stock Award Plans (Tables) | 12 Months Ended
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Dec. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Summary Of Stock Options Outstanding | A summary of stock options outstanding at December 31, 2018, 2017 and 2016, and changes during those years, is presented below:
|  |  | Option Exercise Price/Share
| Number of Options |  | Range |  | Weighted Average
Outstanding at January 1, 2016 | 881,513 |  |  | $ | 17.13 |  |  | to |  | $ | 30.01 |  |  | $ | 20.22 |
Granted | — |  |  | — |  |  | to |  | — |  |  | — |
Forfeited and expired | (246,394 | ) |  | 17.13 |  |  | to |  | 30.01 |  |  | 18.90 |
Exercised | (134,200 | ) |  | 17.13 |  |  | to |  | 19.84 |  |  | 17.23 |
Outstanding at December 31, 2016 | 500,919 |  |  | 17.13 |  |  | to |  | 30.01 |  |  | 21.67 |
Granted | 209,551 |  |  | 15.65 |  |  | to |  | 15.65 |  |  | 15.65 |
Forfeited and expired | (60,685 | ) |  | 17.13 |  |  | to |  | 30.01 |  |  | 21.42 |
Exercised | (41,265 | ) |  | 19.84 |  |  | to |  | 19.84 |  |  | 19.84 |
Outstanding at December 31, 2017 | 608,520 |  |  | 15.65 |  |  | to |  | 24.84 |  |  | 19.75 |
Granted | 451,083 |  |  | 19.35 |  |  | to |  | 19.35 |  |  | 19.35 |
Forfeited and expired | (96,089 | ) |  | 15.65 |  |  | to |  | 24.84 |  |  | 19.58 |
Exercised | (73,398 | ) |  | 15.65 |  |  | to |  | 22.49 |  |  | 18.15 |
Outstanding at December 31, 2018 | 890,116 |  |  | $ | 15.65 |  |  | to |  | $ | 24.84 |  |  | $ | 19.69 |
Summary Of Additional Information On Stock Options Outstanding And Exercisable | The following table summarizes additional information about stock options outstanding and exercisable at December 31, 2018:
|  |  |  |  |  | Options Outstanding at December 31, 2018 |  | Options Exercisable at December 31, 2018
|  |  |  |  |  |  |  | Weighted Average |  | Aggregate Intrinsic Value (In thousands) |  |  |  |  |  | Aggregate Intrinsic Value (In thousands)
Range of Exercise Prices |  | Shares |  | Remaining Contractual Life (Years) |  | Exercise Price |  |  | Shares |  | Weighted Average Exercise Price |
$ | — |  |  | to |  | $ | 15.00 |  |  | — |  |  | 0.0 |  | $ | — |  |  | $ | — |  |  | — |  |  | $ | — |  |  | $ | — |
15.01 |  |  | to |  | 17.50 |  |  | 163,641 |  |  | 5.4 |  | 15.65 |  |  | 34,365 |  |  | — |  |  | — |  |  | — |
17.51 |  |  | to |  | 20.00 |  |  | 516,883 |  |  | 5.9 |  | 19.36 |  |  | — |  |  | 65,800 |  |  | 19.40 |  |  | — |
20.01 |  |  | to |  | 25.00 |  |  | 209,592 |  |  | 4.5 |  | 23.69 |  |  | — |  |  | 209,592 |  |  | 23.69 |  |  | — |
Total |  | 890,116 |  |  | 5.5 |  | $ | 19.69 |  |  | $ | 34,365 |  |  | 275,392 |  |  | $ | 22.66 |  |  | $ | — |
Summary Of Additional Information On Non-Vested Restricted Stock Outstanding | The following table summarizes additional information about unvested restricted stock outstanding at December 31, 2018, 2017 and 2016:
| Unvested Restricted Stock |  | Maximum Unvested Restricted Stock Units Issuable Upon Satisfaction of Certain Performance Criteria
| Number of Shares |  | Weighted Avg. Grant Date Fair Value/Share |  | Grant Date Fair Value (In thousands) |  | Number of Shares |  | Weighted Avg. Grant Date Fair Value/Share |  | Grant Date Fair Value (In thousands)
Outstanding at January 1, 2016 | 132,353 |  |  | $ | 21.19 |  |  | $ | 2,805 |  |  | 167,128 |  |  | $ | 22.04 |  |  | $ | 3,684 |
Granted | 144,546 |  |  | 13.47 |  |  | 1,947 |  |  | 136,986 |  |  | 11.34 |  |  | 1,553 |
Vested | (52,167 | ) |  | 21.56 |  |  | (1,125 | ) |  | — |  |  | — |  |  | — |
Forfeited | (17,377 | ) |  | 18.97 |  |  | (330 | ) |  | (65,685 | ) |  | 20.24 |  |  | (1,329 | )
Outstanding at December 31, 2016 | 207,355 |  |  | 15.90 |  |  | 3,297 |  |  | 238,429 |  |  | 16.39 |  |  | 3,908 |
Granted | 107,362 |  |  | 18.29 |  |  | 1,964 |  |  | 46,205 |  |  | 17.38 |  |  | 803 |
Vested | (50,154 | ) |  | 19.72 |  |  | (989 | ) |  | — |  |  | — |  |  | — |
Forfeited | (57,887 | ) |  | 16.16 |  |  | (935 | ) |  | (112,501 | ) |  | 17.73 |  |  | (1,995 | )
Outstanding at December 31, 2017 | 206,676 |  |  | 16.15 |  |  | 3,337 |  |  | 172,133 |  |  | 15.78 |  |  | 2,716 |
Granted | 119,915 |  |  | 17.39 |  |  | 2,085 |  |  | 61,227 |  |  | 17.35 |  |  | 1,062 |
Vested | (64,702 | ) |  | 18.31 |  |  | (1,185 | ) |  | — |  |  | — |  |  | — |
Forfeited | (17,153 | ) |  | 15.84 |  |  | (272 | ) |  | (48,651 | ) |  | 13.23 |  |  | (644 | )
Outstanding at December 31, 2018 | 244,736 |  |  | $ | 16.20 |  |  | $ | 3,965 |  |  | 184,709 |  |  | $ | 16.97 |  |  | $ | 3,134 |

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