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Stock-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2013
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract] |
Equity Awards Outstanding and Exercisable | The following table summarizes the Company’s equity awards outstanding and exercisable as of December 31, 2012 and June 30, 2013:
|  | Options |  |  | Restricted Stock Units |
|  | Options |  |  | Weighted Average Exercise Price |  |  | Exercise Price Range |  | Weighted Average Remaining Term |  |  | Restricted Stock Units |  |  | Weighted Average Grant Date Fair Value |
Outstanding at December 31, 2012 |  |  | 1,383,332 |  |  |  | 10.06 |  |  | 2.28 - 18.07 |  |  | 8.29 |  |  |  | 883,816 |  |  |  | 11.31 |
Granted |  |  | 55,500 |  |  |  | 17.32 |  |  | 17.10 - 18.59 |  |  |  |  |  |  | 140,714 |  |  |  | 12.62 |
Exercised |  |  | 42,184 |  |  |  | 4.49 |  |  | 2.96 - 6.08 |  |  |  |  |  |  | — |  |  |  | — |
Forfeited |  |  | 10,348 |  |  |  | 13.12 |  |  | 6.08 - 13.37 |  |  |  |  |  |  | 68,000 |  |  |  | 10.65 |
Outstanding at June 30, 2013 |  |  | 1,386,300 |  |  | $ | 10.49 |  |  | $2.28 - 18.59 |  |  | 7.99 |  |  |  | 956,530 |  |  | $ | 11.55 |

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- Definition Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value. + References No definition available. + Details
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