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Note 2: Investments in Securities: Debt Securities, Held-to-maturity (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Debt Securities, Held-to-maturity, Fair Value | $ 0 |
US States and Political Subdivisions Debt Securities |  |
Held to Maturity Securities Amortized Cost |  | $ 130
Held to Maturity Securities Gross Unrealized Gains |  | 1
Held to Maturity Securities Gross Unrealized Losses |  | 0
Debt Securities, Held-to-maturity, Fair Value |  | $ 131

X
- Definition Represents the monetary amount of Held to Maturity Securities Amortized Cost, as of the indicated date. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Definition Represents the monetary amount of Held to Maturity Securities Gross Unrealized Gains, as of the indicated date. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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X
- Definition Represents the monetary amount of Held to Maturity Securities Gross Unrealized Losses, as of the indicated date. + References No definition available. + Details
Name: | fil_HeldToMaturitySecuritiesGrossUnrealizedLosses
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Fair value of investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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