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Note 15: Disclosures About Fair Value of Financial Instruments: Fair Value, Assets Measured on Recurring Basis (Details) - USD ($) $ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises |  |
Assets, Fair Value Disclosure, Recurring | $ 122,533 | $ 146,035
US States and Political Subdivisions Debt Securities |  |
Assets, Fair Value Disclosure, Recurring | 56,646 | 67,837
Interest Rate Swap Asset |  |
Assets, Fair Value Disclosure, Recurring | 981 | 1,663
Interest Rate Swap Liability |  |
Assets, Fair Value Disclosure, Recurring | $ (1,030) | $ (1,699)

X
- Definition This element represents the aggregate of the assets reported on the balance sheet at period end measured at fair value on a recurring basis by the entity. This element is intended to be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Details
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X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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