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Share-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2021
Share-based Payment Arrangement [Abstract] |
Schedule of components of share-based compensation awards | The following table summarizes the components of the Corporation's share-based compensation awards recorded as an expense and the income tax benefit of such awards.
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2021 |  | 2020 |  | 2021 |  | 2020
Stock and ESPP Options |  |  |  |  |  |  |
Pre-tax compensation expense | $ | 40 |  |  | $ | 12 |  |  | $ | 115 |  |  | $ | 53 |
Income tax expense (benefit) | (20) |  |  | (29) |  |  | (92) |  |  | (29) |
Stock and ESPP option expense, net of income taxes | $ | 20 |  |  | $ | (17) |  |  | $ | 23 |  |  | $ | 24 |
Restricted Stock Awards |  |  |  |  |  |  |
Pre-tax compensation expense | $ | 1,168 |  |  | $ | 1,202 |  |  | $ | 2,283 |  |  | $ | 2,380 |
Income tax expense (benefit) | (246) |  |  | (236) |  |  | (483) |  |  | (493) |
Restricted stock awards expense, net of income taxes | $ | 922 |  |  | $ | 966 |  |  | $ | 1,800 |  |  | $ | 1,887 |
Total Share-Based Compensation |  |  |  |  |  |  |
Pre-tax compensation expense | $ | 1,208 |  |  | $ | 1,214 |  |  | $ | 2,398 |  |  | $ | 2,433 |
Income tax expense (benefit) | (266) |  |  | (265) |  |  | (575) |  |  | (522) |
Total share-based compensation expense, net of income taxes | $ | 942 |  |  | $ | 949 |  |  | $ | 1,823 |  |  | $ | 1,911 |
Schedule of stock option activity under stock option plans | Stock option activity under the Corporation's stock option plans as of June 30, 2021 and changes during the six months ended June 30, 2021, were as follows:
| Number of Shares |  | Weighted-Average Exercise Price |  | Weighted Average Remaining Contractual Term (in Years) |  | Aggregate Intrinsic Value
Outstanding at January 1, 2021 | 45,800 |  |  | $ | 15.00 |  |  |  |  |
Exercised | (17,300) |  |  | $ | 11.46 |  |  |  |  |
Outstanding June 30, 2021 | 28,500 |  |  | $ | 17.14 |  |  | 2.00 |  | $ | 699,060 |
Vested and Expected to Vest at June 30, 2021 | 28,500 |  |  | $ | 17.14 |  |  | 2.00 |  | $ | 699,060 |
Exercisable at June 30, 2021 | 28,500 |  |  | $ | 17.14 |  |  | 2.00 |  | $ | 699,060 |
Schedule of unvested RSAs outstanding | The following table summarizes information on unvested RSAs outstanding as of June 30, 2021:
| Number of Shares |  | Weighted-Average Grant Date Fair Value
Unvested RSAs at January 1, 2021 | 357,883 |  |  | $ | 36.30 |
Granted | 77,216 |  |  | $ | 42.52 |
Vested | (4,660) |  |  | $ | 42.14 |
Forfeited | (5,050) |  |  | $ | 36.56 |
Unvested RSAs at June 30, 2021 | 425,389 |  |  | $ | 37.36 |

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