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Equity-Based Compensation Plan (Tables) | 12 Months Ended
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Dec. 31, 2015
Share Based Compensation Abstract |
Schedule Of Share Based Compensation Shares Authorized Under Stock Option Plans By Exercise Price Range Text Block |
| Year Ended December 31,
| 2015 |  | 2014 |  | 2013
|  |  | Weighted |  |  |  | Weighted |  |  |  | Weighted
| Number |  | Average |  | Number |  | Average |  | Number |  | Average
| Of |  | Exercise |  | Of |  | Exercise |  | Of |  | Exercise
| Options |  | Price |  | Options |  | Price |  | Options |  | Price
Beginning of year | 888,571 |  | $ | 14.12 |  | 908,118 |  | $ | 14.46 |  | 922,593 |  | $ | 14.50
Options granted | 179,225 |  |  | 17.44 |  | 193,100 |  |  | 16.10 |  | 196,000 |  |  | 14.52
Options exercised | (112,704) |  |  | 19.78 |  | (54,397) |  |  | 11.86 |  | (34,396) |  |  | 12.65
Options forfeited | (3,569) |  |  | 16.09 |  | (158,250) |  |  | 19.29 |  | (176,079) |  |  | 15.11
End of year | 951,523 |  | $ | 12.45 |  | 888,571 |  | $ | 14.12 |  | 908,118 |  | $ | 14.46
The following table summarizes the range of exercise prices and the weighted average remaining contractual life of the options outstanding at December 31, 2015:
|  | Outstanding |  | Exercisable
|  |  |  |  |  |  |  | Weighted |  |  |  |  |  |
|  |  |  |  |  |  |  | Average |  |  |  |  |  |
|  |  |  |  | Weighted |  | Contract Life |  |  |  |  | Weighted
|  | Number of |  | Average |  | Remaining |  | Number of |  | Average
Range of Exercise Prices |  | Options |  | Exercise Price |  | (Years) |  | Options |  | Exercise Price
$5.63 to $8.45 |  |  | 4,078 |  |  | 8.28 |  | 3.3 |  |  | 4,078 |  |  | 8.28
8.46 to 11.26 |  |  | 1,000 |  |  | 10.29 |  | 1.6 |  |  | 1,000 |  |  | 10.29
11.27 to 14.08 |  |  | 461,820 |  |  | 11.93 |  | 4.4 |  |  | 373,754 |  |  | 11.95
14.09 to 16.90 |  |  | 305,300 |  |  | 15.37 |  | 7.7 |  |  | 35,100 |  |  | 14.52
16.91 to 19.71 |  |  | 177,825 |  |  | 17.44 |  | 9.2 |  |  |  |  |  |
19.72 to 22.53 |  |  | 1,500 |  |  | 21.86 |  | 2.2 |  |  | 1,500 |  |  | 21.86
|  |  | 951,523 |  | $ | 14.06 |  | 6.3 |  |  | 415,432 |  | $ | 14.22
Aggregate Intrinsic Value |  | $ | - |  |  |  |  |  |  | $ | - |  |  |
Schedule Of Share Based Payment Award Stock Options Valuation Assumptions Table Text Block | The following assumptions were used in estimating the fair value of the options granted during the years ended December 31, 2015, 2014 and 2013:
| Year Ended December 31,
| 2015 |  | 2014 |  | 2013
Weighted average assumptions: |  |  |  |  |
Dividend yield | 1.89% |  | 1.87% |  | 1.66%
Expected volatility | 40.93% |  | 42.08% |  | 44.34%
Risk-free interest rate | 2.41% |  | 2.38% |  | 1.55%
Expected life (in years) | 8.0 |  | 8.0 |  | 8.0
Schedule Of Share based Compensation Restricted Stock And Restricted Stock Units Activity Table Text Block | The following table summarizes the activity in restricted units under the Omnibus Plan for the years ended December 31, 2015, 2014 and 2013:
| Year Ended December 31,
| 2015 |  | 2014 |  | 2013
|  |  | Weighted |  |  |  | Weighted |  |  |  | Weighted
|  |  | Average |  |  |  | Average |  |  |  | Average
| Restricted |  | Grant Date |  | Restricted |  | Grant Date |  | Restricted |  | Grant Date
| Units |  | Fair Value |  | Units |  | Fair Value |  | Units |  | Fair Value
Beginning of year | 153,050 |  | $ | 14.95 |  | 158,750 |  | $ | 13.95 |  | 197,500 |  | $ | 12.13
Restricted units granted | 26,700 |  |  | 16.66 |  | 39,200 |  |  | 16.10 |  | 85,700 |  |  | 15.86
Restricted units lapsed | (39,750) |  |  | 11.83 |  | (37,342) |  |  | 12.03 |  | (113,367) |  |  | 12.34
Restricted units forfeited | (1,600) |  |  | 15.45 |  | (7,558) |  |  | 14.30 |  | (11,083) |  |  | 12.87
End of year | 138,400 |  | $ | 16.17 |  | 153,050 |  | $ | 14.95 |  | 158,750 |  | $ | 13.95

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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (f)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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