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Stock-Based Compensation Plans (Tables) | 12 Months Ended
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Dec. 31, 2015
Allocation Of Recognized Period Costs |
|  | 2015 |  | 2014 |  | 2013
Stock options and restricted stock awards | $ | 306 | $ | 296 | $ | 255
Performance stock units |  | 376 |  | 173 |  | 63
Restricted stock units |  | 134 |  | 61 |  | 80
Total compensation expense | $ | 816 | $ | 530 | $ | 398
Schedule Of Fair Value Assumptions |
|  | 2015 |  |  | 2014 |  |  | 2013 |
Risk free interest rate |  | 1.16 | % |  | 1.24 | % |  | 1.55 | %
Expected market volatility factor |  |  |  |  |  |  |  |  |
for the Company's stock |  | 41.22 | % |  | 29.38 | % |  | 26.44 | %
Dividend yield |  | 6.00 | % |  | 6.20 | % |  | 3.39 | %
Expected life of the options (years) |  | 6.0 |  |  | 6.2 |  |  | 7.0 |
Options granted |  | 83,513 |  |  | 45,000 |  |  | 40,500 |
Estimated fair value of options granted | $ | 9.73 |  | $ | 5.00 |  | $ | 6.63 |
Summary Of Stock Option Activity |
| Number of |  |  | Weighted |  | Aggregate
| Stock Options |  |  | Average |  | Intrinsic
| Outstanding |  |  | Exercise Price |  | Value
Outstanding at January 1, 2015 | 240,308 |  | $ | 22.21 |  |
Granted | 83,513 |  | $ | 33.27 |  |
Exercised | (55,642 | ) | $ | 21.69 |  |
Cancelled | (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 |  |  |
| Restricted Stock |  |  | Weighted Average
| Awards |  |  | Grant Date
| Outstanding |  |  | Fair 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 |
|  |  | Weighted Average
| Number |  | Grant Date
| of Shares |  | 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
|  |  | Weighted Average
| Number |  | Grant Date
| of Shares |  | Fair Value
Outstanding at January 1, 2014 | 10,444 | $ | 23.86
Granted | 8,340 |  | 27.96
Vested | -- |  | --
Forfeited | 889 |  | 23.76
Outstanding at December 31, 2014 | 17,895 | $ | 25.77
Restricted Stock Units [Member] |
Summary Of Stock Units Activity |
|  |  | Weighted Average
| Number |  | Grant Date
| of Shares |  | 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
|  |  | Weighted Average
| Number |  | Grant Date
| of Shares |  | Fair Value
Outstanding at January 1, 2014 | 8,386 | $ | 23.83
Granted | 8,266 |  | 27.95
Vested | 2,878 |  | 23.80
Forfeited | 596 |  | 23.76
Outstanding at December 31, 2014 | 13,178 | $ | 26.42

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