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3) Investments: Net carrying amount of held to maturity securities (Details) - Held-to-maturity Securities - USD ($)	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Net carrying amount for sales of securities	$ 255,509	$ 1,789,159
Net realized gain related to sales of securities	$ 39,374	$ 156,171

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- Definition

Represents the monetary amount of Net carrying amount for sales of securities, during the indicated time period.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

Represents the monetary amount of Net realized gain related to sales of securities, during the indicated time period.

+ References

No definition available.

+ Details

Name:	fil_NetRealizedGainRelatedToSalesOfSecurities
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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- Details

Name:	us-gaap_GainLossOnInvestmentsByCategoryAxis=us-gaap_HeldtomaturitySecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: