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Share-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2013
Share-based Compensation [Abstract] |
Summary of Company Stock Awards | A summary of the status of the Company’s stock awards as of December 31, 2013, and changes during the year ended December 31, 2013, is presented below:
| Shares |  | Weighted Average Grant-Date Fair Value
Nonvested at January 1, 2013 | 346,860 |  |  | $ | 17.06 |
Granted | 352,816 |  |  | $ | 20.17 |
Vested | (209,470 | ) |  | $ | 18.41 |
Forfeited | (11,990 | ) |  | $ | 18.45 |
Nonvested at December 31, 2013 | 478,216 |  |  | $ | 18.72 |

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- Definition Tabular disclosure of the weighted-average grant-date fair value of equity options or other equity instruments granted 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 (d)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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