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Stock-Based Compensation Plans (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Allocation Of Recognized Period Costs |
|  | 2016 |  | 2015 |  | 2014
Stock options and restricted stock awards | $ | 543 | $ | 306 | $ | 296
Performance stock units |  | 304 |  | 376 |  | 173
Restricted stock units |  | 431 |  | 134 |  | 61
Total compensation expense | $ | 1,278 | $ | 816 | $ | 530
Schedule Of Fair Value Assumptions |
|  | 2015 |  |  | 2014 |
Risk free interest rate |  | 1.16 | % |  | 1.24 | %
Expected market volatility factor for the Company's stock |  | 41.22 | % |  | 29.38 | %
Dividend yield |  | 6.00 | % |  | 6.20 | %
Expected life of the options (years) |  | 6.0 |  |  | 6.2 |
Options granted |  | 83,513 |  |  | 45,000 |
Estimated fair value of options granted | $ | 9.73 |  | $ | 5.00 |
Summary Of Stock Option Activity |
|  | Number of |  |  | Weighted |  | Aggregate
|  | Stock Options |  |  | Average |  | Intrinsic
Stock Options |  | Outstanding |  |  | Exercise Price |  | Value
Outstanding at January 1, 2016 |  | 229,435 |  | $ | 26.33 |  |
Granted |  | -- |  |  | -- |  |
Exercised |  | (56,726 | ) |  | 24.15 |  |
Forfeited |  | (14,874 | ) |  | 27.73 |  |
Outstanding at December 31, 2016 |  | 157,835 |  | $ | 26.98 | $ | 3,212
Ending vested and expected to vest December 31, 2016 |  | 156,467 |  | $ | 27.06 | $ | 3,172
Exercisable at December 31, 2016 |  | 60,538 |  | $ | 24.12 | $ | 1,405
| Number of |  |  | Weighted |  | Aggregate
| Stock Options |  |  | Average |  | Intrinsic
Stock Options | Outstanding |  |  | Exercise Price |  | Value
Outstanding at January 1, 2015 | 240,308 |  | $ | 22.21 |  |
Granted | 83,513 |  |  | 33.27 |  |
Exercised | (55,642 | ) |  | 21.69 |  |
Forfeited | (38,744 | ) |  | 22.37 |  |
Outstanding at December 31, 2015 | 229,435 |  | $ | 26.33 | $ | 1,860
Ending vested and expected to vest December 31, 2015 | 226,219 |  | $ | 26.45 | $ | 1,807
Exercisable at December 31, 2015 | 68,104 |  | $ | 21.30 | $ | 895
Summary Of Restricted Stock Awards Activity |
|  | Number of |  |  | Weighted
|  | Restricted Stock |  |  | Average Grant
|  | Awards |  |  | Date Fair
Restricted Stock Awards |  | Outstanding |  |  | Value
Outstanding at January 1, 2016 |  | -- |  | $ | ---
Awarded |  | 3,460 |  |  | 43.28
Released |  | (3,460 | ) |  | 43.28
Forfeited |  | -- |  |  | --
Outstanding at December 31, 2016 |  | -- |  | $ | --
|  | Number of |  |  | Weighted
|  | Restricted Stock |  |  | Average Grant
|  | Awards |  |  | Date Fair
Restricted Stock Awards |  | Outstanding |  |  | Value
Outstanding at January 1, 2015 |  | -- |  | $ | --
Awarded |  | 2,860 |  |  | 34.81
Released |  | (2,860 | ) |  | 34.81
Forfeited |  | -- |  |  | --
Outstanding at December 31, 2015 |  | -- |  | $ | --
Performance Stock Units [Member] |
Summary Of Stock Units Activity |
| Number |  | Weighted
| of Performance |  | Average Grant
| Stock Units |  | Date
Performance Stock Units | Outstanding |  | Fair Value
Outstanding at January 1, 2016 | 24,349 | $ | 27.72
Granted | 9,310 |  | 31.52
Vested | 13,933 |  | 24.14
Forfeited | 2,415 |  | 30.57
Outstanding at December 31, 2016 | 17,311 | $ | 32.11
|  | Number |  | Weighted
|  | of Performance |  | Average Grant
|  | Stock Units |  | Date
Performance Stock Units |  | Outstanding |  | Fair Value
Outstanding at January 1, 2015 |  | 17,895 | $ | 25.77
Granted |  | 9,207 |  | 32.20
Vested |  | -- |  | --
Forfeited |  | 2,753 |  | 30.00
Outstanding at December 31, 2015 |  | 24,349 | $ | 27.72
Restricted Stock Units [Member] |
Summary Of Stock Units Activity |
| Number of |  | Weighted Average
| Restricted Stock |  | Grant Date
Restricted Stock Units | Units Outstanding |  | Fair Value
Outstanding at January 1, 2016 | 25,392 | $ | 30.95
Granted | 11,663 |  | 34.80
Vested | 8,114 |  | 29.00
Forfeited | 2,249 |  | 32.15
Outstanding at December 31, 2016 | 26,692 | $ | 33.12
| Number of |  | Weighted Average
| Restricted Stock |  | Grant Date
Restricted Stock Units | Units Outstanding |  | Fair Value
Outstanding at January 1, 2015 | 13,178 | $ | 26.42
Granted | 21,755 |  | 32.66
Vested | 6,040 |  | 27.43
Forfeited | 3,501 |  | 30.58
Outstanding at December 31, 2015 | 25,392 | $ | 30.95

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