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Reserves For Claims Summary Of Transactions In Reserves For Claims (Details) (USD $)
6 Months Ended 12 Months Ended
Jun. 30, 2013
Dec. 31, 2012
Liability for Unpaid Claims and Claims Adjustment Expense [Roll Forward]    
Balance, beginning of period $ 39,078,000 $ 37,996,000
Provision, charged to operations 607,812 6,072,115
Payments of claims, net of recoveries (918,812) (4,990,115)
Balance, End of period $ 38,767,000 $ 39,078,000