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v3.19.3.a.u2

Note 4: Acquired Loans, Loss Sharing Agreements and FDIC Indemnification Assets: Business Combinations Policy: Business Acquisition, InterBank Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
InterBank |  |  |
Premium Recorded in Conjunction with Fair Value of Acquired Loans and Amount Amortized to Yield | $ 99 | $ 175 | $ 269

X
- Definition Represents the monetary amount of Premium Recorded in Conjunction with Fair Value of Acquired Loans and Amount Amortized to Yield, during the indicated time period. + References No definition available. + Details
Name: | fil_PremiumRecordedInConjunctionWithFairValueOfAcquiredLoansAndAmountAmortizedToYield
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=fil_InterbankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |