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3) Investments: Residential Real Estate Held for Investment (Details) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018
Impairment losses on residential real estate held for investment | $ 125,980 | $ 0 | $ 125,980 | $ 147,925 |
Residential Real Estate |  |  |  |  |
Foreclosed Residential Real Estate included in Residential Real Estate Held for Investment | $ 16,073,000 |  | $ 16,073,000 |  | $ 23,532,000

X
- Definition Represents the monetary amount of Foreclosed Residential Real Estate included in Residential Real Estate Held for Investment, as of the indicated date. + References No definition available. + Details
Name: | fil_ForeclosedResidentialRealEstateIncludedInResidentialRealEstateHeldForInvestment
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition Represents the monetary amount of Impairment losses on residential real estate held for investment, during the indicated time period. + References No definition available. + Details
Name: | fil_ImpairmentLossesOnResidentialRealEstateHeldForInvestment
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_InvestmentTypeAxis=fil_ResidentialRealEstate1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |