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Share-Based Compensation (Tables) | 3 Months Ended
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Mar. 31, 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 March 31, |  |
| 2021 |  | 2020 |  |  |  |
Stock and ESPP Options |  |  |  |  |  |  |
Pre-tax compensation expense | $ | 75 |  |  | $ | 41 |  |  |  |  |
Income tax expense (benefit) | (72) |  |  | — |  |  |  |  |
Stock and ESPP option expense, net of income taxes | $ | 3 |  |  | $ | 41 |  |  |  |  |
Restricted Stock Awards |  |  |  |  |  |  |
Pre-tax compensation expense | $ | 1,115 |  |  | $ | 1,179 |  |  |  |  |
Income tax expense (benefit) | (237) |  |  | (257) |  |  |  |  |
Restricted stock awards expense, net of income taxes | $ | 878 |  |  | $ | 922 |  |  |  |  |
Total Share-Based Compensation |  |  |  |  |  |  |
Pre-tax compensation expense | $ | 1,190 |  |  | $ | 1,220 |  |  |  |  |
Income tax expense (benefit) | (309) |  |  | (257) |  |  |  |  |
Total share-based compensation expense, net of income taxes | $ | 881 |  |  | $ | 963 |  |  |  |  |
Schedule of stock option activity under stock option plans | Stock option activity under the Corporation's stock option plans as of March 31, 2021 and changes during the three months ended March 31, 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 | (14,300) |  |  | $ | 11.97 |  |  |  |  |
Outstanding March 31, 2021 | 31,500 |  |  | $ | 16.37 |  |  | 2.06 |  | $ | 949,155 |
Vested and Expected to Vest at March 31, 2021 | 31,500 |  |  | $ | 16.37 |  |  | 2.06 |  | $ | 949,155 |
Exercisable at March 31, 2021 | 31,500 |  |  | $ | 16.37 |  |  | 2.06 |  | $ | 949,155 |
Schedule of unvested RSAs outstanding | The following table summarizes information on unvested RSAs outstanding as of March 31, 2021:
| Number of Shares |  | Weighted-Average Grant Date Fair Value
Unvested RSAs at January 1, 2021 | 357,883 |  |  | $ | 36.30 |
Granted | 66,913 |  |  | $ | 42.39 |
Vested | (4,285) |  |  | $ | 42.15 |
Forfeited | (1,650) |  |  | $ | 32.21 |
Unvested RSAs at March 31, 2021 | 418,861 |  |  | $ | 37.23 |

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- Definition Tabular disclosure of the changes in outstanding nonvested restricted stock units. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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