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Note 6: Investment Securities: Investments in Debt Securities Policy (Details) (USD $) | Sep. 30, 2012 | Dec. 31, 2011
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Investments in debt and marketable equity securities fair value | $ 11,100,000 | $ 172,600,000
Investments in debt and marketable equity securities percentage of investment portfolio | 1.40% | 19.70%

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