3) Investments: Net carrying amount of held to maturity securities (Details) - Held-to-maturity Securities - USD ($)	3 Months Ended
Jun. 30, 2016	Jun. 30, 2015
Net carrying amount for sales of securities	$ 1,789,159	$ 2,543,312
Net realized gain related to sales of securities	$ 156,171	$ 330,373

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

No definition available.

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