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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
Details    
Fair Value Investments Reported Less Than Historical Cost $ 106,000fil_FairValueInvestmentsReportedLessThanHistoricalCost $ 237,600fil_FairValueInvestmentsReportedLessThanHistoricalCost
Fair Value Investments Reported Less Than Historical Cost Percentage of Investment Portfolio 29.00%fil_FairValueInvestmentsReportedLessThanHistoricalCostPercentageOfInvestmentPortfolio 42.70%fil_FairValueInvestmentsReportedLessThanHistoricalCostPercentageOfInvestmentPortfolio