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Investment Income
 6 Months Ended
Jun. 30, 2011
Investment Income [Abstract]  
Investment Income
(13)  Investment Income:
The components of investment income are as follows:
 
     
For the three months ended
     
For the six months ended
      June 30,      June 30,
($ in thousands)
   
2011
     
2010
     
2011
 
2010
                           
Interest and dividend income
  $
153
    $
117
    $
2,884
 
 $           2,533
Investment gain
   
                519
     
              2,905
     
             1,071
 
              2,905
Equity earnings
   
               (497)
     
                 478
     
               (665)
 
                 559
Total investment income
  $
175
    $
3,500
    $
3,290
 
 $           5,997