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Employee Benefit Plans (Tables) | 3 Months Ended
--- | ---
Mar. 31, 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:
| Three months ended March 31, |  |  |
| 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 | (2,650) |  | 46.06 |  | (5,638) |  | 44.74 |
Outstanding at March 31 | 43,601 |  | $ | 53.15 |  | 52,334 |  | $ | 51.84 |
Exerciseable at March 31 | 23,730 |  | $ | 49.84 |  | 14,146 |  | $ | 44.70 |
Information regarding stock option exercises and stock-based compensation expense associated with stock options is provided in the following table (in thousands):
| Three months ended March 31, |
| 2020 | 2019
Proceeds from stock option exercises | $ | 122 |  | $ | 252 |
Intrinsic value of stock options exercised | 44 |  | 177 |
Stock-based compensation expense associated with stock options | $ | 22 |  | $ | 37 |
At period-end: | March 31, 2020 |
Unrecognized stock-based compensation expense associated with stock options | $ | 63 |  |
Weighted average period (in years) in which the above amount is expected to be |  |
recognized | 1.4 |
Restricted Shares Activity And Related Information | A summary of the Company’s restricted shares activity and related information is presented below:
| Three months ended March 31, |  |  |
| 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 | 23,028 |  | 70.36 |  | 13,531 |  | 79.46 |
Vested | (24,910) |  | 50.42 |  | (23,667) |  | 45.60 |
Outstanding at March 31 | 146,201 |  | $ | 65.91 |  | 142,556 |  | $ | 55.51 |
Information regarding stock-based compensation associated with restricted shares is provided in the following table (in thousands):
| Three months ended March 31, |
| 2020 | 2019
Stock-based compensation expense associated with restricted shares | $ | 629 |  | $ | 434 |
At period-end: | March 31, 2020 |
Unrecognized stock-based compensation expense associated with restricted shares | $ | 6,009 |  |
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 March 31, |
|  |  | 2020 | 2019
Components of net periodic cost: |  |  |  |
Interest cost |  |  | $ | 112 |  | $ | 174 |
Expected return on plan assets |  |  | (203) |  | (266) |
Net amortization and deferral |  |  | 272 |  | 285 |
Net Periodic Pension Cost |  |  | $ | 181 |  | $ | 193 |

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