6. Loans and Allowance for Loan Losses: Schedule of Age Analysis of Past Due Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Thousand
Past Due Loans	$ 2,226	$ 2,192
Nonaccrual	1,878	1,616
Current Loans	20,662	23,533
Loans and Leases Receivable, Gross	22,888	25,725
Commercial And Industrial
Past Due Loans	175	76
Nonaccrual	175	76
Current Loans	1,548	1,722
Loans and Leases Receivable, Gross	1,723	1,798
Commercial And Industrial | Commercial
Past Due Loans	50	0
Nonaccrual	50	0
Current Loans	815	909
Loans and Leases Receivable, Gross	865	909
Commercial And Industrial | :S B A Loans
Past Due Loans	0	0
Nonaccrual	0	0
Current Loans	0	19
Loans and Leases Receivable, Gross	0	19
Commercial And Industrial | Asset Based
Past Due Loans	125	76
Nonaccrual	125	76
Current Loans	733	794
Loans and Leases Receivable, Gross	858	870
Commercial Real Estate Portfolio Segment
Past Due Loans	1,545	1,461
Nonaccrual	1,392	1,203
Current Loans	17,582	19,928
Loans and Leases Receivable, Gross	19,127	21,389
Commercial Real Estate Portfolio Segment | :S B A Loans
Past Due Loans	75	81
Nonaccrual	75	81
Current Loans	180	588
Loans and Leases Receivable, Gross	255	669
Commercial Real Estate Portfolio Segment | Commercial Mortgages
Past Due Loans	1,162	1,193
Nonaccrual	1,135	935
Current Loans	9,869	10,478
Loans and Leases Receivable, Gross	11,031	11,671
Commercial Real Estate Portfolio Segment | Construction
Past Due Loans	0	0
Nonaccrual	0	0
Current Loans	147	419
Loans and Leases Receivable, Gross	147	419
Commercial Real Estate Portfolio Segment | Religious Organizations
Past Due Loans	308	187
Nonaccrual	182	187
Current Loans	7,386	8,443
Loans and Leases Receivable, Gross	7,694	8,630
Consumer Real Estate
Past Due Loans	461	561
Nonaccrual	311	337
Current Loans	860	1,168
Loans and Leases Receivable, Gross	1,321	1,729
Consumer Real Estate | Home Equity Line of Credit
Past Due Loans	0	0
Nonaccrual	0	0
Current Loans	16	17
Loans and Leases Receivable, Gross	16	17
Consumer Real Estate | Home Equity Loans
Past Due Loans	435	450
Nonaccrual	285	289
Current Loans	211	191
Loans and Leases Receivable, Gross	646	641
Consumer Real Estate | Family Residential Mortgage
Past Due Loans	26	112
Nonaccrual	26	48
Current Loans	633	959
Loans and Leases Receivable, Gross	659	1,071
Consumer And Other Loans
Past Due Loans	45	94
Nonaccrual	0	0
Current Loans	672	715
Loans and Leases Receivable, Gross	717	809
Consumer And Other Loans | Student Loans
Past Due Loans	43	87
Nonaccrual	0	0
Current Loans	585	613
Loans and Leases Receivable, Gross	628	700
Consumer And Other Loans | Other 1
Past Due Loans	2	7
Nonaccrual	0	0
Current Loans	87	102
Loans and Leases Receivable, Gross	89	109
Financing Receivables 30 To 89 Days Past Due | Thousand
Past Due Loans	203	190
Financing Receivables 30 To 89 Days Past Due | Commercial And Industrial
Past Due Loans	0	0
Financing Receivables 30 To 89 Days Past Due | Commercial And Industrial | Commercial
Past Due Loans	0	0
Financing Receivables 30 To 89 Days Past Due | Commercial And Industrial | :S B A Loans
Past Due Loans	0	0
Financing Receivables 30 To 89 Days Past Due | Commercial And Industrial | Asset Based
Past Due Loans	0	0
Financing Receivables 30 To 89 Days Past Due | Commercial Real Estate Portfolio Segment
Past Due Loans	153	50
Financing Receivables 30 To 89 Days Past Due | Commercial Real Estate Portfolio Segment | :S B A Loans
Past Due Loans	0	0
Financing Receivables 30 To 89 Days Past Due | Commercial Real Estate Portfolio Segment | Commercial Mortgages
Past Due Loans	27	50
Financing Receivables 30 To 89 Days Past Due | Commercial Real Estate Portfolio Segment | Construction
Past Due Loans	0	0
Financing Receivables 30 To 89 Days Past Due | Commercial Real Estate Portfolio Segment | Religious Organizations
Past Due Loans	126	0
Financing Receivables 30 To 89 Days Past Due | Consumer Real Estate
Past Due Loans	27	102
Financing Receivables 30 To 89 Days Past Due | Consumer Real Estate | Home Equity Line of Credit
Past Due Loans	0	0
Financing Receivables 30 To 89 Days Past Due | Consumer Real Estate | Home Equity Loans
Past Due Loans	27	38
Financing Receivables 30 To 89 Days Past Due | Consumer Real Estate | Family Residential Mortgage
Past Due Loans	0	64
Financing Receivables 30 To 89 Days Past Due | Consumer And Other Loans
Past Due Loans	23	38
Financing Receivables 30 To 89 Days Past Due | Consumer And Other Loans | Student Loans
Past Due Loans	22	32
Financing Receivables 30 To 89 Days Past Due | Consumer And Other Loans | Other 1
Past Due Loans	1	6
Financial Asset, Equal to or Greater than 90 Days Past Due | Thousand
Past Due Loans	145	387
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial And Industrial
Past Due Loans	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial And Industrial | Commercial
Past Due Loans	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial And Industrial | :S B A Loans
Past Due Loans	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial And Industrial | Asset Based
Past Due Loans	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial Real Estate Portfolio Segment
Past Due Loans	0	208
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial Real Estate Portfolio Segment | :S B A Loans
Past Due Loans	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial Real Estate Portfolio Segment | Commercial Mortgages
Past Due Loans	0	208
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial Real Estate Portfolio Segment | Construction
Past Due Loans	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial Real Estate Portfolio Segment | Religious Organizations
Past Due Loans	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Consumer Real Estate
Past Due Loans	123	123
Financial Asset, Equal to or Greater than 90 Days Past Due | Consumer Real Estate | Home Equity Line of Credit
Past Due Loans	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Consumer Real Estate | Home Equity Loans
Past Due Loans	123	123
Financial Asset, Equal to or Greater than 90 Days Past Due | Consumer Real Estate | Family Residential Mortgage
Past Due Loans	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Consumer And Other Loans
Past Due Loans	22	56
Financial Asset, Equal to or Greater than 90 Days Past Due | Consumer And Other Loans | Student Loans
Past Due Loans	21	55
Financial Asset, Equal to or Greater than 90 Days Past Due | Consumer And Other Loans | Other 1
Past Due Loans	$ 1	$ 1