6. Loans and Allowance for Loan Losses: Schedule of Accounts, Notes, Loans and Financing Receivable (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017
Details
Commercial and industrial	$ 2,098	$ 1,798
Commercial real estate	19,756	21,389
Consumer real estate	1,606	1,729
Consumer loans other	752	809
Total loans	$ 24,212	$ 25,725

Represents the monetary amount of Loan And Leases Receivable Consumer Mortgage, as of the indicated date.

No definition available.

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

Represents the monetary amount of Loan And Leases Receivable Consumer Other, as of the indicated date.

No definition available.

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

Represents the monetary amount of Loan Receivable Commercial And Industrial, as of the indicated date.

No definition available.

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

Represents the monetary amount of Loan Receivable Commercial Real Estate, as of the indicated date.

No definition available.

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

Represents the monetary amount of Loan Receivable Net, as of the indicated date.

No definition available.

No definition available.