2) Investments: Net carrying amount of held to maturity securities (Details) - USD ($)	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Held-to-maturity Securities
Net carrying amount for sales of securities	$ 4,950,041	$ 5,808,244

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

No definition available.

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