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Stock Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2022
Stock Based Compensation [Abstract] |
Schedule Of Share-based Compensation, Stock Options, Activity |
Employee Stock Purchase Plan |  |  |  |  |  |  |
| ESPP |  | Weighted Average |  | Aggregate
(Dollars in thousands except share and per share data) | Options |  | Price Per Share |  | Intrinsic Value
Balance Outstanding at December 31, 2020 | 29,685 |  | $ | 24.19 |  | $ | -
Granted | 26,734 |  |  | 30.24 |  |  |
Exercised | (4,629) |  |  | 25.80 |  |  |
Expired | (27,541) |  |  | 24.46 |  |  |
Balance Outstanding at December 31, 2021 | 24,249 |  | $ | 30.24 |  | $ | 69
Granted | 28,083 |  |  | 28.73 |  |  |
Exercised | (1,458) |  |  | 29.44 |  |  |
Expired | (24,931) |  |  | 30.16 |  |  |
Balance Outstanding at December 31, 2022 | 25,943 |  | $ | 28.73 |  | $ | 191
Shares available for future grants under the ESPP at December 31, 2022 | 179,609 |  |  |  |  |  |
The following tables summarize the activity in the Stock Plan:
Incentive Stock Options |  |  |  |  |  |  |
|  |  | Weighted Average |  | Aggregate
(Dollars in thousands except share and per share data) | ISO |  | Price Per Share |  | Intrinsic Value
Balance Outstanding at December 31, 2020 | 92,354 |  | $ | 28.55 |  | $ | -
Granted | — |  |  | — |  |  |
Exercised | (100) |  |  | 22.05 |  |  |
Forfeited | (2,000) |  |  | 33.08 |  |  |
Balance Outstanding at December 31, 2021 | 90,254 |  | $ | 28.46 |  | $ | 419
Granted | — |  |  | — |  |  |
Exercised | (300) |  |  | 21.27 |  |  |
Forfeited | (19,500) |  |  | 27.22 |  |  |
Balance Outstanding at December 31, 2022 | 70,454 |  | $ | 28.84 |  | $ | 511
Restricted Shares |  |  |  |  |  |  |
|  |  | Weighted Average |  |  |
| Restricted |  | Grant Date |  |  |
| Shares |  | Fair Value |  |  |
Nonvested as of December 31, 2020 | 13,533 |  | $ | 31.02 |  |  |
Granted | 6,095 |  |  | 27.54 |  |  |
Vested | (7,418) |  |  | 30.98 |  |  |
Forfeited | (255) |  |  | 29.50 |  |  |
Nonvested as of December 31, 2021 | 11,955 |  | $ | 29.30 |  |  |
Granted | 18,814 |  |  | 33.30 |  |  |
Vested | (9,974) |  |  | 32.07 |  |  |
Forfeited | (291) |  |  | 30.40 |  |  |
Nonvested as of December 31, 2022 | 20,504 |  | $ | 32.40 |  |  |
Shares available for future grants under the Stock Plan at December 31, 2022 | 268,727 |  |  |  |  |  |
Share-based Compensation Arrangement By Share-based Payment Award, Options, Vested And Expected To Vest, Outstanding And Exercisable |
|  | Options |  |  |  |  | Weighted
|  | Outstanding |  |  |  |  | Average Remaining
Stock Option Plan |  | and Exercisable |  |  | Exercise Price |  | Life (years)
Employee Stock Purchase Plan |  | 25,943 |  | $ | 28.73 |  | 0.5
Incentive Stock Options |  | 7,000 |  |  | 22.05 |  | 1.2
Incentive Stock Options |  | 14,650 |  |  | 21.27 |  | 2.2
Incentive Stock Options |  | 24,050 |  |  | 30.00 |  | 4.2
Incentive Stock Options |  | 24,754 |  |  | 34.10 |  | 5.2
ISO Total/Average |  | 70,454 |  |  |  |  | 3.2

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