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Note 17: Derivatives and Hedging Activities: Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013
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Total derivatives designated as hedging instruments | $ 415 fil_TotalDerivativesDesignatedAsHedgingInstruments | $ 685 fil_TotalDerivativesDesignatedAsHedgingInstruments
Asset Derivative Fair Value |  |
Total derivatives not designated as hedging instruments | 2,087 fil_TotalDerivativesNotDesignatedAsHedgingInstruments / us-gaap_HedgingDesignationAxis = fil_AssetDerivativeFairValueMember | 1,859 fil_TotalDerivativesNotDesignatedAsHedgingInstruments / us-gaap_HedgingDesignationAxis = fil_AssetDerivativeFairValueMember
Liability Derivative Fair Value |  |
Total derivatives not designated as hedging instruments | $ 2,187 fil_TotalDerivativesNotDesignatedAsHedgingInstruments / us-gaap_HedgingDesignationAxis = fil_LiabilityDerivativeFairValueMember | $ 1,613 fil_TotalDerivativesNotDesignatedAsHedgingInstruments / us-gaap_HedgingDesignationAxis = fil_LiabilityDerivativeFairValueMember

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

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

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- Details
Name: | us-gaap_HedgingDesignationAxis=fil_AssetDerivativeFairValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
Name: | us-gaap_HedgingDesignationAxis=fil_LiabilityDerivativeFairValueMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |