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Compensation Arrangements Compensation Arrangements Restricted Stock Awards (Tables) | 12 Months Ended
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Dec. 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] | The table below summarizes activity regarding unvested restricted stock for the year ended December 31, 2014:
|  | Restricted Stock Awards |  | Weighted- Average Grant Date Fair Value (per share)
Unvested at December 31, 2013 |  | 97,677 |  |  | $ | 14.00 |
Granted |  | — |  |  | $ | — |
Vested |  | (50,481 | ) |  | $ | 14.54 |
Forfeited |  | (13,129 | ) |  | $ | 17.07 |
Unvested at December 31, 2014 |  | 34,067 |  |  | $ | 15.53 |

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- Definition Schedule of Nonvested Restricted Stock Units Activity, Acquisition [Table Text Block] + References No definition available. + Details
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