6. Loans and Allowance for Loan Losses: Schedule of Age Analysis of Past Due Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Thousand
Past Due Loans	$ 2,455	$ 2,192
Nonaccrual	1,869	1,616
Current Loans	19,620	23,533
Loans and Leases Receivable, Gross	22,075	25,725
Commercial And Industrial
Past Due Loans	271	76
Nonaccrual	201	76
Current Loans	1,519	1,722
Loans and Leases Receivable, Gross	1,790	1,798
Commercial And Industrial | Commercial
Past Due Loans	146	0
Nonaccrual	76	0
Current Loans	636	909
Loans and Leases Receivable, Gross	782	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	883	794
Loans and Leases Receivable, Gross	1,008	870
Commercial Real Estate Portfolio Segment
Past Due Loans	1,629	1,461
Nonaccrual	1,359	1,203
Current Loans	16,696	19,928
Loans and Leases Receivable, Gross	18,325	21,389
Commercial Real Estate Portfolio Segment | :S B A Loans
Past Due Loans	72	81
Nonaccrual	72	81
Current Loans	179	588
Loans and Leases Receivable, Gross	251	669
Commercial Real Estate Portfolio Segment | Commercial Mortgages
Past Due Loans	1,252	1,193
Nonaccrual	1,108	935
Current Loans	9,000	10,478
Loans and Leases Receivable, Gross	10,252	11,671
Commercial Real Estate Portfolio Segment | Construction
Past Due Loans	0	0
Nonaccrual	0	0
Current Loans	305	419
Loans and Leases Receivable, Gross	305	419
Commercial Real Estate Portfolio Segment | Religious Organizations
Past Due Loans	305	187
Nonaccrual	179	187
Current Loans	7,212	8,443
Loans and Leases Receivable, Gross	7,517	8,630
Consumer Real Estate
Past Due Loans	490	561
Nonaccrual	309	337
Current Loans	762	1,168
Loans and Leases Receivable, Gross	1,252	1,729
Consumer Real Estate | Home Equity Line of Credit
Past Due Loans	0	0
Nonaccrual	0	0
Current Loans	15	17
Loans and Leases Receivable, Gross	15	17
Consumer Real Estate | Home Equity Loans
Past Due Loans	433	450
Nonaccrual	283	289
Current Loans	205	191
Loans and Leases Receivable, Gross	638	641
Consumer Real Estate | Family Residential Mortgage
Past Due Loans	57	112
Nonaccrual	26	48
Current Loans	542	959
Loans and Leases Receivable, Gross	599	1,071
Consumer And Other Loans
Past Due Loans	65	94
Nonaccrual	0	0
Current Loans	643	715
Loans and Leases Receivable, Gross	708	809
Consumer And Other Loans | Student Loans
Past Due Loans	59	87
Nonaccrual	0	0
Current Loans	563	613
Loans and Leases Receivable, Gross	622	700
Consumer And Other Loans | Other 1
Past Due Loans	6	7
Nonaccrual	0	0
Current Loans	80	102
Loans and Leases Receivable, Gross	86	109
Financing Receivables 30 To 89 Days Past Due | Thousand
Past Due Loans	292	190
Financing Receivables 30 To 89 Days Past Due | Commercial And Industrial
Past Due Loans	70	0
Financing Receivables 30 To 89 Days Past Due | Commercial And Industrial | Commercial
Past Due Loans	70	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	144	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	144	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	0	0
Financing Receivables 30 To 89 Days Past Due | Consumer Real Estate
Past Due Loans	31	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	0	38
Financing Receivables 30 To 89 Days Past Due | Consumer Real Estate | Family Residential Mortgage
Past Due Loans	31	64
Financing Receivables 30 To 89 Days Past Due | Consumer And Other Loans
Past Due Loans	47	38
Financing Receivables 30 To 89 Days Past Due | Consumer And Other Loans | Student Loans
Past Due Loans	42	32
Financing Receivables 30 To 89 Days Past Due | Consumer And Other Loans | Other 1
Past Due Loans	5	6
Financial Asset, Equal to or Greater than 90 Days Past Due | Thousand
Past Due Loans	294	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	126	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	126	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Consumer Real Estate
Past Due Loans	150	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	150	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	18	56
Financial Asset, Equal to or Greater than 90 Days Past Due | Consumer And Other Loans | Student Loans
Past Due Loans	17	55
Financial Asset, Equal to or Greater than 90 Days Past Due | Consumer And Other Loans | Other 1
Past Due Loans	$ 1	$ 1