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Share-based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2014
Share-based Compensation [Abstract] |
Summary of the restricted stock activity | A summary of the restricted stock activity under the Program as of December 31, 2014 is presented below:
Restricted Stock |  |  |  |  | Weighted Average |  | Weighted Average Remaining
Awards |  | Shares |  |  | Award Price |  | Contractual Term
Outstanding at January 1, 2014 |  |  | 412,350 |  |  | $ | 18.85 |  | 3.4 years
Granted |  |  | 378,000 |  |  |  | 23.57 |  |
Vested |  |  | (120,175 | ) |  |  | 18.69 |  |
Forfeited |  |  | (26,900 | ) |  |  | 22.03 |  |
Outstanding at December 31, 2014 |  |  | 643,275 |  |  | $ | 21.52 |  | 3.8 years

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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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