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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2020
Share-based Payment Arrangement [Abstract] |
Schedule of Stock Option Activity | Following is a summary of stock option activity for the three-year period ended December 31, 2020:
|  | Options |  | Weighted- Average Exercise Price |  | Weighted- Average Remaining Contractual Term |  | Aggregate Intrinsic Value (in thousands)
Outstanding at January 1, 2018 |  | 165,920 |  |  | $ | 21.92 |  |  |  |  |
Exercised |  | (88,053) |  |  | $ | 21.54 |  |  |  |  |
Expired |  | (1,103) |  |  | $ | 21.16 |  |  |  |  |
Outstanding and Exercisable at December 31, 2018 |  | 76,764 |  |  | $ | 22.33 |  |  | 2.9 years |  | $ | 446 |
Exercised |  | (14,743) |  |  | $ | 23.16 |  |  |  |  |
Expired |  | (2,435) |  |  | $ | 19.86 |  |  |  |  |
Outstanding and Exercisable at December 31, 2019 |  | 59,586 |  |  | $ | 22.26 |  |  | 2.2 years |  | $ | 352 |
Exercised |  | (34,388) |  |  | $ | 21.82 |  |  |  |  |
Expired |  | (641) |  |  | $ | 19.66 |  |  |  |  |
Outstanding and Exercisable at December 31, 2020 |  | 24,557 |  |  | $ | 22.94 |  |  | 1.9 years |  | $ | 912 |
Schedule of Stock Options Outstanding and Exercisable | The following table summarizes information with respect to stock options outstanding and exercisable under the Company’s plans at December 31, 2020:
|  | Options Outstanding and Exercisable
Exercise Price |  | Number Of Options |  | Weighted- Average Exercise Price |  | Weighted- Average Remaining Contractual Term
$17.48 – $17.48 |  | 5,817 |  |  | $ | 17.48 |  |  | 1.2 years
$24.18 – $24.18 |  | 1,577 |  |  | $ | 24.18 |  |  | 0.2 years
$24.68 – $24.68 |  | 17,163 |  |  | $ | 24.68 |  |  | 2.2 years
|  | 24,557 |  |  | $ | 22.94 |  |  | 1.9 years
Schedule of Time-Vested Stock Awards Activity | Following is a summary of time-vested stock awards activity for the three-year period ended December 31, 2020:
|  | Shares |  | Per Share Weighted- Average Grant Date Fair Value
Outstanding unvested at January 1, 2018 |  | 188,648 |  |  | $ | 29.55 |
Granted |  | 93,280 |  |  | $ | 30.22 |
Vested |  | (96,840) |  |  | $ | 28.91 |
Forfeited |  | (9,657) |  |  | $ | 27.02 |
Outstanding unvested at December 31, 2018 |  | 175,431 |  |  | $ | 30.40 |
Granted |  | 85,640 |  |  | $ | 34.22 |
Vested |  | (99,655) |  |  | $ | 30.51 |
Forfeited |  | (3,034) |  |  | $ | 35.88 |
Outstanding unvested at December 31, 2019 |  | 158,382 |  |  | $ | 32.29 |
Granted |  | 104,857 |  |  | $ | 26.75 |
Vested |  | (93,669) |  |  | $ | 32.09 |
Forfeited |  | (3,781) |  |  | $ | 29.80 |
Outstanding unvested at December 31, 2020 |  | 165,789 |  |  | $ | 28.96 |
Schedule of Performance Share Award Activity | Following is a summary of performance share award activity for the three-year period ended December 31, 2020:
|  | Shares |  | Per Share Weighted- Average Grant Date Fair Value
Outstanding at January 1, 2018 |  | 126,975 |  |  | $ | 35.29 |
Granted at target |  | 66,764 |  |  | $ | 34.52 |
Forfeited for performance below target |  | (42,584) |  |  | $ | 29.73 |
Vested |  | (29,655) |  |  | $ | 33.35 |
Forfeited |  | (9,247) |  |  | $ | 30.85 |
Outstanding at December 31, 2018 |  | 112,253 |  |  | $ | 39.73 |
Granted at target |  | 72,932 |  |  | $ | 39.26 |
Forfeited for performance below target |  | (36,581) |  |  | $ | 48.94 |
Vested |  | (8,854) |  |  | $ | 58.34 |
Forfeited |  | (1,505) |  |  | $ | 43.43 |
Outstanding at December 31, 2019 |  | 138,245 |  |  | $ | 37.02 |
Granted at target |  | 79,788 |  |  | $ | 34.10 |
Earned for performance above target, net |  | 14,962 |  |  | $ | 69.45 |
Vested |  | (78,260) |  |  | $ | 48.86 |
Forfeited |  | (4,396) |  |  | $ | 36.28 |
Outstanding at December 31, 2020 |  | 150,339 |  |  | $ | 36.54 |

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