21) Mortgage Servicing Rights: Assumptions used in determining MSR value (Details)	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017
Details
Prepayment Speeds	3.86%	3.67%
Average Life in Years of MSR	6.33	6.34
Discount Rate	9.51	10.01

Represents the Average Life in Years of MSR, during the indicated time period.

No definition available.

Name:	fil_AverageLifeInYearsOfMsr
Namespace Prefix:	fil_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	duration