3) Investments: Net carrying amount of held to maturity securities (Details) - Held-to-maturity Securities - USD ($)	9 Months Ended
Sep. 30, 2017	Sep. 30, 2016
Net carrying amount for sales of securities	$ 2,240,249	$ 1,989,159
Net realized loss related to sales of securities	$ 385,484
Net realized gain related to sales of securities		$ 156,154

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