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REINSURANCE (TABLES)
12 Months Ended
Dec. 31, 2011
REINSURANCE [Abstract]  
Breakdown of gross and net premiums written and earned [Table Text Block]
Gross and net premiums written and earned were as follows:
                     
                     
 Year ended December 31, 2011 2010 2009 
   Premiums  Premiums  Premiums   Premiums  Premiums  Premiums  
   written earned written  earned written earned 
                     
 Gross $ 4,096,153 $ 3,973,956 $ 3,750,536 $ 3,632,177 $ 3,587,295 $ 3,540,298 
 Ceded   (676,719)   (658,995)   (602,996)   (684,767)   (770,866)   (748,534) 
  Net $ 3,419,434 $ 3,314,961 $ 3,147,540 $ 2,947,410 $ 2,816,429 $ 2,791,764