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Note 6: Investment Securities: Gain Loss on Investments Policy (Details) (USD $) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2012 | Sep. 30, 2011 | Sep. 30, 2012 | Sep. 30, 2011
Gross gains on sales of available for sale securities | $ 572,000 | $ 483,000 | $ 2,700,000 | $ 483,000
Gross losses realized on sales of available for sale securities | $ 66,000 | $ 0 | $ 625,000 | $ 0

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- Definition No authoritative reference available. + References No definition available. + Details
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Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition No authoritative reference available. + References No definition available. + Details
Name: | fil_GrossLossesRealizedOnSalesOfAvailableForSaleSecurities
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration