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Compensation Arrangements Compensation Arrangements Performance Share Units (Tables) | 12 Months Ended
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Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Nonvested Performance-based Units Activity [Table Text Block] | The table below summarizes activity regarding unvested performance share units for the year ended December 31, 2014:
|  | Performance Share Units |  | Weighted- Average Grant Date Fair Value (per share)
Unvested at December 31, 2013 |  | — |  |  | $ | — |
Granted |  | 1,983,232 |  |  | $ | 8.07 |
Vested |  | — |  |  | $ | — |
Forfeited |  | (967,388 | ) |  | $ | 8.07 |
Unvested at December 31, 2014 |  | 1,015,844 |  |  | $ | 8.07 |

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- Definition Tabular disclosure of the changes in outstanding nonvested performance-based units. + 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)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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