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Stock-Based Compensation (Tables) | 9 Months Ended
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Sep. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Stock-based Compensation, Stock Options and Stock Appreciation Rights Award Activity |
Grant date |  | Restricted stock |  | Grant date fair value of restricted stock |  | Stock options |  | Grant date fair value of stock options |  | Performance shares |  | Grant date fair value of performance shares
May 13, 2015 |  | 1,127,814 |  |  | $ | 5.57 |  |  | 310,028 |  |  | $ | 2.65 |  |  | 809,293 |  |  | $ | 6.97 |
July 1, 2015 |  | 22,897 |  |  | $ | 5.35 |  |  | — |  |  | $ | — |  |  | — |  |  | $ | — |
Award Type |  | Number of Exercised Units |  | Weighted Average Exercised Price |  | Number of Exercisable Units |  | Weighted Average Exercisable Price
Stock options |  | — |  |  | $ | — |  |  | 322,117 |  |  | $ | 19.96 |
Stock appreciation rights |  | — |  |  | $ | — |  |  | 46,572 |  |  | $ | 14.06 |

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- Definition Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for stock options and stock appreciation rights that were outstanding at the beginning and end of the year, exercisable at the end of the year, and the number of stock options and stock appreciation rights 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 Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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