21) Mortgage Servicing Rights: Schedule of mortgage servicing rights (Details) - USD ($)	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Details
Mortgage servicing rights, net	$ 20,016,822	$ 21,376,937	$ 18,872,362
Mortgage servicing rights, additions resulting from loan sales	3,922,816	6,085,352
Amortization of MSR's	(5,282,931)	(3,580,777)
Mortgage Servicing Rights	20,016,822	21,376,937
Estimated fair value of MSRs	$ 28,885,316	$ 27,427,174

Represents the monetary amount of Amortization of MSR's, during the indicated time period.

No definition available.

Represents the monetary amount of Estimated fair value of MSRs, as of the indicated date.

No definition available.

Name:	fil_EstimatedFairValueOfMsrs
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the monetary amount of Mortgage Servicing Rights, as of the indicated date.

No definition available.

Name:	fil_MortgageServicingRights
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the monetary amount of Mortgage servicing rights, additions resulting from loan sales, during the indicated time period.

No definition available.

Name:	fil_MortgageServicingRightsAdditionsResultingFromLoanSales
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the monetary amount of Mortgage servicing rights, net, as of the indicated date.

No definition available.

Name:	fil_MortgageServicingRightsNet
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

No definition available.