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5) Value of Business Acquired and Goodwill: Net amortization charged to income (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Details |  |  |  |  |  |  |
Value of business acquired - net amortization charged to income | $ 593,000 | $ 637,000 | $ 685,000 | $ 737,000 | $ 821,000 | $ 823,569 | $ 981,541

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