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Share-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2019
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 September 30, |  | Nine Months Ended September 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Stock and ESPP Options |  |  |  |  |  |  |
Pre-tax compensation expense | $ | 36 |  |  | $ | 39 |  |  | $ | 72 |  |  | $ | 88 |
Income tax benefit | — |  |  | (15 | ) |  | (57 | ) |  | (153 | )
Stock and ESPP option expense, net of income taxes | $ | 36 |  |  | $ | 24 |  |  | $ | 15 |  |  | $ | (65 | )
Restricted Stock Awards |  |  |  |  |  |  |
Pre-tax compensation expense | $ | 1,026 |  |  | $ | 852 |  |  | $ | 2,815 |  |  | $ | 2,458 |
Income tax benefit | (226 | ) |  | (202 | ) |  | (951 | ) |  | (952 | )
Restricted stock awards expense, net of income taxes | $ | 800 |  |  | $ | 650 |  |  | $ | 1,864 |  |  | $ | 1,506 |
Total Share-Based Compensation |  |  |  |  |  |  |
Pre-tax compensation expense | $ | 1,062 |  |  | $ | 891 |  |  | $ | 2,887 |  |  | $ | 2,546 |
Income tax benefit | (226 | ) |  | (217 | ) |  | (1,008 | ) |  | (1,105 | )
Total share-based compensation expense, net of income taxes | $ | 836 |  |  | $ | 674 |  |  | $ | 1,879 |  |  | $ | 1,441 |
Schedule of stock option activity under stock option plans | Stock option activity under the Corporation's stock option plans as of September 30, 2019 and changes during the nine months ended September 30, 2019, were as follows:
| Number of Shares |  | Weighted-Average Exercise Price |  | Weighted Average Remaining Contractual Term (in Years) |  | Aggregate Intrinsic Value
Outstanding at January 1, 2019 | 76,300 |  |  | $ | 12.40 |  |  |  |  |
Exercised | (12,950 | ) |  | $ | 9.32 |  |  |  |  |
Cancelled | — |  |  | $ | — |  |  |  |  |
Outstanding September 30, 2019 | 63,350 |  |  | $ | 13.03 |  |  | 2.55 |  | $ | 1,558,945 |
Vested and Expected to Vest at September 30, 2019 | 63,350 |  |  | $ | 13.03 |  |  | 2.55 |  | $ | 1,558,945 |
Exercisable at September 30, 2019 | 63,350 |  |  | $ | 13.03 |  |  | 2.55 |  | $ | 1,558,945 |
Schedule of Unvested RSAs outstanding | The following table summarizes information on unvested RSAs outstanding as of September 30, 2019:
| Number of Shares |  | Weighted-Average Grant Date Fair Value
Unvested RSAs at January 1, 2019 | 344,362 |  |  | $ | 36.80 |
Granted | 119,743 |  |  | $ | 37.08 |
Vested | (113,043 | ) |  | $ | 23.61 |
Forfeited | (2,400 | ) |  | $ | 40.54 |
Unvested RSAs at September 30, 2019 | 348,662 |  |  | $ | 41.51 |

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