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Note 4: Value of Business Acquired: Net amortization charged to income (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Details |  |  |  |  |  |  |
Value of business acquired - net amortization charged to income | $ 873,000 | $ 947,000 | $ 1,037,000 | $ 1,115,000 | $ 1,199,000 | $ 1,277,126 | $ 1,302,646

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- Definition Represents the monetary amount of Value of business acquired - net amortization charged to income, during the indicated time period. + References No definition available. + Details
Name: | fil_ValueOfBusinessAcquiredNetAmortizationChargedToIncome
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_TextBlockAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration