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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2014
Stock-Based Compensation [Abstract] |
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] | The following table summarizes our restricted stock award activity for the years ended December 31, 2014, 2013 and 2012. The vesting date for the majority of awards vested in 2014 was June 1, 2014. The fair value of awards vested during 2014, 2013 and 2012 was $1.1 million, $1.1 million and $1.0 million, respectively.
| 2014
| Number of Shares of Restricted Stock Awards (in thousands) |  | Weighted Average Grant Date Fair Value
Unvested at beginning of year | 211.5 |  |  | $ | 13.81 |
Granted | 52.2 |  |  | 25.40 |
Vested | (75.6 | ) |  | 14.34 |
Forfeited | (5.0 | ) |  | 13.57 |
Outstanding (unvested) at end of year | 183.1 |  |  | $ | 16.78 |
| 2013
| Number of Shares of Restricted Stock Awards (in thousands) |  | Weighted Average Grant Date Fair Value
Unvested at beginning of year | 276.8 |  |  | $ | 13.57 |
Granted | 23.0 |  |  | 17.28 |
Vested | (75.3 | ) |  | 14.04 |
Forfeited | (13.0 | ) |  | 13.57 |
Outstanding (unvested) at end of year | 211.5 |  |  | $ | 13.81 |
| 2012
| Number of Shares of Restricted Stock Awards (in thousands) |  | Weighted Average Grant Date Fair Value
Unvested at beginning of year | 351.0 |  |  | $ | 13.57 |
Granted | — |  |  | — |
Vested | (70.2 | ) |  | 13.57 |
Forfeited | (4.0 | ) |  | 13.57 |
Outstanding (unvested) at end of year | 276.8 |  |  | $ | 13.57 |

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- Definition Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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