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3) Investments: Summary of Interest not accrued on non-performing mortgage loans (Details) - USD ($) | Jun. 30, 2018 | Dec. 31, 2017
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Details |  |
Interest not accrued on non-performing loans | $ 180,000 | $ 204,000

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- Definition Represents the monetary amount of Interest not accrued on non-performing loans, as of the indicated date. + References No definition available. + Details
Name: | fil_InterestNotAccruedOnNonPerformingLoans
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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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