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Related Party Transactions (Details) (Downes and Associates [Member], USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Downes and Associates [Member]
     
Payments made by the Company to Downes and Associates      
Claims adjusting fees $ 623 $ 753 $ 480