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Employee Benefit Plans (Tables) | 6 Months Ended
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Jun. 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:
| Six months ended June 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 | (4,166) |  | 45.44 |  | (8,140) |  | 44.85 |
Outstanding at June 30 | 42,085 |  | $ | 53.47 |  | 49,832 |  | $ | 52.18 |
Exerciseable at June 30 | 22,214 |  | $ | 50.22 |  | 11,644 |  | $ | 44.62 |
Information regarding stock option exercises and stock-based compensation expense associated with stock options is provided in the following table (in thousands):
| Six months ended June 30, |
| 2020 | 2019
Proceeds from stock option exercises | $ | 189 |  | $ | 365 |
Intrinsic value of stock options exercised | 77 |  | 263 |
Stock-based compensation expense associated with stock options | $ | 34 |  | $ | 64 |
At period-end: | June 30, 2020 |
Unrecognized stock-based compensation expense associated with stock options | $ | 50 |  |
Weighted average period (in years) in which the above amount is expected to be |  |
recognized | 1.2 |
Restricted Shares Activity And Related Information | A summary of the Company’s restricted shares activity and related information is presented below:
| Six months ended June 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 | 37,103 |  | 67.40 |  | 31,006 |  | 79.86 |
Vested | (26,450) |  | 49.58 |  | (41,657) |  | 39.79 |
Outstanding at June 30 | 158,736 |  | $ | 65.91 |  | 142,041 |  | $ | 61.50 |
Information regarding stock-based compensation associated with restricted shares is provided in the following table (in thousands):
| Three months ended June 30, 2020 |  | Six months ended June 30, |
| 2020 | 2019 | 2020 | 2019
Stock-based compensation expense associated with restricted shares | $ | 681 |  | $ | 501 |  | $ | 1,310 |  | $ | 935 |
At period-end: |  |  | June 30, 2020 |
Unrecognized stock-based compensation expense associated with restricted shares |  |  | $ | 6,208 |  |
Weighted average period (in years) in which the above amount is expected to be recognized |  |  | 3.2 |
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 June 30, |  | Six months ended June 30, |
| 2020 | 2019 | 2020 | 2019
Components of net periodic cost: |  |  |  |
Interest cost | $ | 112 |  | $ | 174 |  | $ | 224 |  | $ | 348 |
Expected return on plan assets | (203) |  | (266) |  | (406) |  | (531) |
Net amortization and deferral | 272 |  | 285 |  | 544 |  | 569 |
Net Periodic Pension Cost | $ | 181 |  | $ | 193 |  | $ | 362 |  | $ | 386 |

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