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2) Investments: Equity Securities - Additional (Details) | Dec. 31, 2017
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Equity Securities |
Average Market Value of Security over initial investment | 77.50%

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- Definition Represents the Average Market Value of Security over initial investment, as of the indicated date. + References No definition available. + Details
Name: | fil_AverageMarketValueOfSecurityOverInitialInvestment
Namespace Prefix: | fil_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- Details
Name: | us-gaap_FinancialInstrumentAxis=fil_EquitySecurities1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |