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Note 14: Derivatives and Hedging Activities: Schedule of Derivatives Instruments Statements of Financial Performance and Financial Position, Location (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2015 | Dec. 31, 2014
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Total derivatives designated as hedging instruments | $ 251 fil_TotalDerivativesDesignatedAsHedgingInstruments | $ 415 fil_TotalDerivativesDesignatedAsHedgingInstruments
Asset Derivative Fair Value |  |
Total derivatives not designated as hedging instruments | 3,105 fil_TotalDerivativesNotDesignatedAsHedgingInstruments / us-gaap_HedgingDesignationAxis = fil_AssetDerivativeFairValueMember | 2,087 fil_TotalDerivativesNotDesignatedAsHedgingInstruments / us-gaap_HedgingDesignationAxis = fil_AssetDerivativeFairValueMember
Liability Derivative Fair Value |  |
Total derivatives not designated as hedging instruments | $ 3,296 fil_TotalDerivativesNotDesignatedAsHedgingInstruments / us-gaap_HedgingDesignationAxis = fil_LiabilityDerivativeFairValueMember | $ 2,187 fil_TotalDerivativesNotDesignatedAsHedgingInstruments / us-gaap_HedgingDesignationAxis = fil_LiabilityDerivativeFairValueMember

X
- Definition Total amount as of the balance sheet date of derivative instrument designated as hedging instrument and classified as an asset. + References No definition available. + Details
Name: | fil_TotalDerivativesDesignatedAsHedgingInstruments
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Total amount as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as an asset. + References No definition available. + Details
Name: | fil_TotalDerivativesNotDesignatedAsHedgingInstruments
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

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