| **Investment Income (Loss) (Tables)**   | 9 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
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| **Investment Income (Loss) [Abstract]** |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| Investment income                       | The components of investment income (loss) are as follows:       For the three months ended      For the nine months ended      September 30,      September 30,($ in thousands)    2011      2010      2011  2010                            Interest and dividend income  $87    $289    $2,971   $           2,822Investment gain                       -                          -                   1,071                2,905Equity earnings (losses)                   (753)                       108                  (1,418)                   667Total investment income (loss)  $(666)    $397    $2,624   $           6,394                            |

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| - Definition
Tabular disclosure of investment income derived from investments in debt and equity securities consisting of interest income earned from investments in debt securities and on cash and cash equivalents, dividend income from investments in equity securities, and income or expense derived from the amortization of investment related discounts or premiums, respectively. This item does not include realized or unrealized gains or losses on the sale or holding of investments in debt and equity securities required to be included in earnings for the period or for other than temporary losses related to investments in debt and equity securities which are included in realized losses in the period recognized.
+ References
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