3) Investments: Net carrying amount of held to maturity securities (Details) - Held-to-maturity Securities - USD ($)	9 Months Ended
Sep. 30, 2019	Sep. 30, 2018
Net carrying amount for sales of securities	$ 2,724,199	$ 4,998,249
Net realized loss related to sales of securities	$ 12,394	$ 243,023

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

No definition available.

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