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Employee Benefit Plans (Tables) | 9 Months Ended
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Sep. 30, 2020
Share-based Payment Arrangement, Noncash Expense [Abstract] |
Summary Of Stock Option Activity | A summary of the Company’s stock option activity and related information is presented below:
| Nine months ended September 30,
| 2020 | 2019
Options | Weighted-Average Exercise Price | Options | Weighted-Average Exercise Price
Outstanding at January 1 | 46,251 |  | $ | 52.74 |  | 57,972 |  | $ | 51.15 |
Exercised | (4,921) |  | 45.17 |  | (11,721) |  | 44.87 |
Outstanding at September 30 | 41,330 |  | $ | 53.64 |  | 46,251 |  | $ | 52.74 |
Exerciseable at September 30 | 21,459 |  | $ | 50.45 |  | 8,063 |  | $ | 44.48 |
Information regarding stock option exercises and stock-based compensation expense associated with stock options is provided in the following table (in thousands):
| Nine months ended September 30,
| 2020 | 2019
Proceeds from stock option exercises | $ | 223 |  | $ | 526 |
Intrinsic value of stock options exercised | 93 |  | 368 |
Stock-based compensation expense associated with stock options | $ | 47 |  | $ | 92 |
At period-end: | September 30, 2020 |
Unrecognized stock-based compensation expense associated with stock options | $ | 37 |  |
Weighted average period (in years) in which the above amount is expected to be |  |
recognized | 1.0 |
Restricted Shares Activity And Related Information | A summary of the Company’s restricted shares activity and related information is presented below:
| Nine months ended September 30,
| 2020 | 2019
Restricted Awards | Average Market Price at Grant | Restricted Awards | Average Market Price at Grant
Outstanding at January 1 | 148,083 |  | $ | 62.62 |  | 152,692 |  | $ | 51.85 |
Granted | 38,603 |  | 67.15 |  | 31,006 |  | 79.86 |
Vested | (29,775) |  | 47.72 |  | (45,007) |  | 39.81 |
Outstanding at September 30 | 156,911 |  | $ | 66.56 |  | 138,691 |  | $ | 61.98 |
Information regarding stock-based compensation associated with restricted shares is provided in the following table (in thousands):
| Three months ended September 30 | Nine months ended September 30,
| 2020 | 2019 | 2020 | 2019
Stock-based compensation expense associated with restricted shares | $ | 708 |  | $ | 499 |  | $ | 2,018 |  | $ | 1,434 |
At period-end: |  |  | September 30, 2020 |
Unrecognized stock-based compensation expense associated with restricted shares |  |  | $ | 5,592 |  |
Weighted average period (in years) in which the above amount is expected to be recognized |  |  | 3.1 |
Pension and Other Postretirement Benefits | The following table presents the components of the Company's net periodic benefit cost, which is included in the line item "other expenses" in the consolidated statements of income, (in thousands):
| Three months ended September 30, | Nine months ended September 30,
2020 | 2019 | 2020 | 2019
Components of net periodic cost: |  |  |  |
Interest cost | $ | 112 |  | $ | 242 |  | $ | 336 |  | $ | 522 |
Expected return on plan assets | (203) |  | (370) |  | (611) |  | (798) |
Net amortization and deferral | 272 |  | 396 |  | 817 |  | 855 |
Net Periodic Pension Cost | $ | 181 |  | $ | 268 |  | $ | 542 |  | $ | 579 |

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