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3) Investments (Details) (USD $)
9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Dec. 31, 2012
Details      
Average market value over amortized cost 95.10%   92.60%
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Period Increase (Decrease) $ 90,000 $ 135,000