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Note 2: Investments in Debt and Equity Securities: Fair Value Investments Reported Less than Historical Cost (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
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Details |  |
Fair Value Investments Reported Less Than Historical Cost | $ 106,000 fil_FairValueInvestmentsReportedLessThanHistoricalCost | $ 237,600 fil_FairValueInvestmentsReportedLessThanHistoricalCost
Fair Value Investments Reported Less Than Historical Cost Percentage of Investment Portfolio | 29.00%fil_FairValueInvestmentsReportedLessThanHistoricalCostPercentageOfInvestmentPortfolio | 42.70%fil_FairValueInvestmentsReportedLessThanHistoricalCostPercentageOfInvestmentPortfolio

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