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Investment Income (Tables)
12 Months Ended
Dec. 31, 2011
Investment Income [Abstract]  
Investment income
The components of investment income for the years ended December 31, 2011, 2010 and 2009 are as follows:
 
($ in thousands)
 
2011
  
2010
  
2009
 
           
Interest and dividend income
 $2,184  $3,471  $5,291 
Investment gain
  1,071   3,010   - 
Equity earnings
  (864)  367   994 
Total investment income
 $2,391  $6,848  $6,285