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Employee Benefit Plans (Tables) | 12 Months Ended
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Dec. 31, 2016
Schedule of Changes in Aggregate Actuarial Benefit Obligation | The following table presents the changes in the aggregate actuarial benefit obligation during the periods indicated:
|  | December 31, |
(Amounts in thousands) |  | 2016 |  |  | 2015 |
Beginning balance |  | $ | 8,390 |  |  | $ | 7,631 |
Plan change |  |  | 69 |  |  |  | — |
Service cost |  |  | 184 |  |  |  | 180 |
Interest cost |  |  | 382 |  |  |  | 334 |
Actuarial loss |  |  | 367 |  |  |  | 363 |
Benefits paid |  |  | (211 | ) |  |  | (118 | )
Ending balance |  | $ | 9,181 |  |  | $ | 8,390 |
Components of net periodic pension cost and assumed discount rate | The following table presents the components of net periodic pension cost and the assumed discount rate for the periods indicated:
|  | Year Ended December 31, |
(Amounts in thousands, except discount rate) |  | 2016 |  |  | 2015 |  |  | 2014 |
Service cost |  | $ | 184 |  |  | $ | 180 |  |  | $ | 128 |
Interest cost |  |  | 382 |  |  |  | 334 |  |  |  | 336 |
Amortization of prior service cost |  |  | 226 |  |  |  | 260 |  |  |  | 260 |
Amortization of losses |  |  | 47 |  |  |  | 66 |  |  |  | — |
Net periodic cost |  | $ | 839 |  |  | $ | 840 |  |  | $ | 724 |
Assumed discount rate |  |  | 4.22 | % |  |  | 4.62 | % |  |  | 4.41 | %
Projected Benefit Payments | The following schedule presents the projected benefit payments to be paid under the Benefit Plans, by year, as of December 31, 2016:
(Amounts in thousands) |  |  |
2017 |  | $ | 465 |
2018 |  |  | 462 |
2019 |  |  | 458 |
2020 |  |  | 529 |
2021 |  |  | 587 |
2022 through 2026 |  |  | 2,937 |
Pre-tax Compensation Expense and Excess Tax Benefit Recognized in Earnings | The following table presents the pre-tax compensation expense and excess tax benefit recognized in earnings for all equity-based compensation plans for the periods indicated:
|  | Year Ended December 31, |
(Amounts in thousands) |  | 2016 |  |  | 2015 |  |  | 2014 |
Pre-tax compensation expense |  | $ | 209 |  |  | $ | 110 |  |  | $ | 332 |
Excess tax benefit |  |  | 174 |  |  |  | 8 |  |  |  | 5 |
Stock Option Activity | The following table presents stock option activity and related information for the year ended December 31, 2016:
(Amounts in thousands, except share and per share data) |  | Option |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual |  |  | Aggregate Intrinsic |
| Shares |  |  | Per Share |  |  | Term (Years) |  |  | Value |
Outstanding, January 1, 2016 |  |  | 236,404 |  |  | $ | 20.17 |  |  |  |  |  |  |  |  |
Granted |  |  | 32,768 |  |  |  | 20.15 |  |  |  |  |  |  |  |  |
Exercised |  |  | (43,463 | ) |  |  | 17.26 |  |  |  |  |  |  |  |  |
Canceled |  |  | (25,313 | ) |  |  | 28.56 |  |  |  |  |  |  |  |  |
Outstanding, December 31, 2016 |  |  | 200,396 |  |  | $ | 19.73 |  |  |  | 6.1 |  |  | $ | 2,123 |
Exercisable, December 31, 2016 |  |  | 167,628 |  |  | $ | 19.65 |  |  |  | 5.5 |  |  | $ | 1,790 |
Total Options Granted and Weighted Average Assumptions Used to Estimate Fair Value | The following table presents the total options granted and the weighted average assumptions used to estimate the fair value of those options during the periods indicated:
|  | Year Ended December 31, |
|  | 2016 |  |  | 2015 |  |  | 2014 |
Stock options granted |  | $ | 32,768 |  |  | $ | — |  |  | $ | — |
Grant-date fair value per share |  |  | 10.16 |  |  |  | — |  |  |  | — |
Volatility |  |  | 25.04 | % |  |  | — |  |  |  | — |
Risk-free rate |  |  | 1.56 | % |  |  | — |  |  |  | — |
Expected dividend yield |  |  | 3.09 | % |  |  | — |  |  |  | — |
Expected term (in years) |  |  | 6.50 |  |  |  | — |  |  |  | — |
Restricted Stock Activity | The following table presents restricted stock activity and related information for the year ended December 31, 2016:
|  |  |  |  | Weighted Average |
|  | Shares |  |  | Grant-Date Fair Value |
Nonvested, January 1, 2016 |  |  | 5,327 |  |  | $ | 16.85 |
Granted |  |  | 46,033 |  |  |  | 19.97 |
Vested |  |  | (21,533 | ) |  |  | 17.90 |
Canceled |  |  | (2,024 | ) |  |  | 19.27 |
Nonvested, December 31, 2016 |  |  | 27,803 |  |  | $ | 20.59 |
Performance Stock Activity | The following table presents performance stock activity and related information for the year ended December 31, 2016:
|  | Shares |  |  | Weighted Average Grant-Date Fair Value |
Nonvested, January 1, 2016 |  |  | 9,848 |  |  | $ | 15.83 |
Granted |  |  | — |  |  |  | — |
Vested |  |  | (9,848 | ) |  |  | 15.83 |
Canceled |  |  | — |  |  |  | — |
Nonvested, December 31, 2016 |  |  | — |  |  | $ | — |

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