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Note 2: Investments in Debt and Equity Securities (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Fair Value Investments Reported Less Than Historical Cost | $ 106,600 | $ 172,600
Fair Value Investments Reported Less Than Historical Cost Percentage of Investment Portfolio | 13.20% | 19.70%

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