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Stock Options And Restricted Stock Awards (Tables) | 12 Months Ended
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Dec. 31, 2016
Stock Options And Restricted Stock Awards [Abstract] |
Summary of Stock Option Activity and Weighted Average Exercise Price |
| For The Year Ended December 31,
| 2016 |  | 2015 |  | 2014
|  |  |  | Weighted |  |  |  |  | Weighted |  |  |  |  | Weighted
| Options |  |  | Average |  | Options |  |  | Average |  | Options |  |  | Average
| (Amounts in |  |  | Exercise |  | (Amounts in |  |  | Exercise |  | (Amounts in |  |  | Exercise
| Thousands) |  |  | Price |  | Thousands) |  |  | Price |  | Thousands) |  |  | Price
Outstanding, beginning of period | 650 |  | $ | 12.70 |  | 684 |  | $ | 11.43 |  | 647 |  | $ | 8.80
Granted | 285 |  |  | 20.03 |  | 40 |  |  | 26.49 |  | 121 |  |  | 22.97
Exercised | (380 | ) |  | 8.77 |  | (44 | ) |  | 8.51 |  | (66 | ) |  | 6.90
Forfeited/Cancelled | (150 | ) |  | 17.40 |  | (30 | ) |  | 10.53 |  | (18 | ) |  | 9.26
Outstanding, end of period | 405 |  | $ | 19.71 |  | 650 |  | $ | 12.70 |  | 684 |  | $ | 11.43
Summary of Stock Options Outstanding and Exercisable |
|  | Outstanding | Exercisable
|  |  | Weighted |  |  |  | Weighted |  |
|  |  | Average |  | Weighted |  | Average |  | Weighted
|  |  | Remaining |  | Average |  | Remaining |  | Average
|  |  | Contractual |  | Exercise |  | Contractual |  | Exercise
| Exercise Price | Options | Life in Years |  | Price | Options | Life in Years |  | Price
$ | 4.46- $8.91 | 30,453 | 5.50 | $ | 7.18 | 28,578 | 5.40 | $ | 7.07
$ | 10.00- $35.00 | 374,304 | 8.80 |  | 20.72 | 56,728 | 7.40 |  | 22.99
|  | 404,757 | 8.5 | $ | 19.71 | 85,306 | 6.80 | $ | 17.66
Weighted-Average Estimated Fair Value of Employee Stock Options Granted |
|  | For the Year Ended December 31, |
|  | 2016 |  |  | 2015 |  |  | 2014 |
|  | Grants |  |  | Grants |  |  | Grants |
Weighted average fair value | $ | 9.32 |  | $ | 9.18 |  | $ | 10.69 |
Risk-free discount rate |  | 1.70%- 2.02% |  |  | 2.29 | % |  | 2.12% - 2.73% |
Expected life |  | 8.20 years |  |  | 8.20 years |  |  | 7.70-8.20 years |
Dividend yield |  | — |  |  | — |  |  | — |
Volatility |  | 47 | % |  | 47 | % |  | 47 | %
Expected turn-over rate |  | 2 | % |  | 2 | % |  | 5 | %
Expected exercise multiple |  | 2.2 |  |  | 2.2 |  |  | 2.2 |
Summary of Status of Unvested Restricted Stock Awards Outstanding |
| For The Year Ended December 31,
| 2016 | 2015 | 2014
| Restricted |  |  | Weighted | Restricted |  |  | Weighted |  |  |  | Weighted
| Stock |  |  | Average | Stock |  |  | Average | Restricted |  |  | Average
| Awards |  |  | Grant | Awards |  |  | Grant | Stock Awards |  |  | Grant
| (Amounts in |  |  | Date Fair | (Amounts in |  |  | Date Fair | (Amounts |  |  | Date Fair
| Thousands) |  |  | Value | Thousands) |  |  | Value | in Thousands) |  |  | Value
Unvested restricted stock awards, beginning |  |  |  |  |  |  |  |  |  |  |  |
of period | 84 |  | $ | 18.91 | 79 |  | $ | 15.16 | 70 |  | $ | 9.13
Awarded | 108 |  |  | 21.14 | 58 |  |  | 23.32 | 36 |  |  | 22.75
Vested | (20 | ) |  | 24.12 | (38 | ) |  | 17.02 | (22 | ) |  | 10.34
Forfeited | (69 | ) |  | 17.17 | (15 | ) |  | 21.46 | (5 | ) |  | 6.66
Unvested restricted stock awards, end of |  |  |  |  |  |  |  |  |  |  |  |
period | 103 |  | $ | 20.84 | 84 |  | $ | 18.91 | 79 |  | $ | 15.16

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- Definition Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year. + 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 (c)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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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 number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year. + 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 (c)(1) -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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