4. Loans and Allowance For Loan Losses: Schedule of Impaired Loans (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Unpaid Contractual Principal Balance	$ 1,277	$ 2,123
Recorded Investment With No Allowance	1,277	1,610
Recorded Investment With Allowance	0	473
Total Recorded Investment	1,277	2,083
Related Allowance	0	54
Average Recorded Investment	1,883	2,268
Interest recognized on impaired loans	40	26
Commercial And Industrial
Unpaid Contractual Principal Balance	0	352
Recorded Investment With No Allowance	0	352
Recorded Investment With Allowance	0	0
Total Recorded Investment	0	352
Related Allowance	0	0
Average Recorded Investment	270	430
Interest recognized on impaired loans	30	0
Commercial Real Estate Portfolio Segment
Unpaid Contractual Principal Balance	1,201	1,771
Recorded Investment With No Allowance	1,201	1,258
Recorded Investment With Allowance	0	473
Total Recorded Investment	1,201	1,731
Related Allowance	0	54
Average Recorded Investment	1,613	1,838
Interest recognized on impaired loans	10	26
Commercial \| Commercial And Industrial
Unpaid Contractual Principal Balance	0	33
Recorded Investment With No Allowance	0	33
Recorded Investment With Allowance	0	0
Total Recorded Investment	0	33
Related Allowance	0	0
Average Recorded Investment	14	33
Interest recognized on impaired loans	30	0
SBA Loans \| Commercial And Industrial
Unpaid Contractual Principal Balance	0	0
Recorded Investment With No Allowance	0	0
Recorded Investment With Allowance	0	0
Total Recorded Investment	0	0
Related Allowance	0	0
Average Recorded Investment	0	36
Interest recognized on impaired loans	0	0
SBA Loans \| Commercial Real Estate Portfolio Segment
Unpaid Contractual Principal Balance	81	255
Recorded Investment With No Allowance	81	255
Recorded Investment With Allowance	0	0
Total Recorded Investment	81	255
Related Allowance	0	0
Average Recorded Investment	208	262
Interest recognized on impaired loans	10	7
Asset Based Loans \| Commercial And Industrial
Unpaid Contractual Principal Balance	76	319
Recorded Investment With No Allowance	76	319
Recorded Investment With Allowance	0	0
Total Recorded Investment	76	319
Related Allowance	0	0
Average Recorded Investment	256	361
Interest recognized on impaired loans	0	0
Commercial Mortgages \| Commercial Real Estate Portfolio Segment
Unpaid Contractual Principal Balance	933	1,321
Recorded Investment With No Allowance	933	808
Recorded Investment With Allowance	0	473
Total Recorded Investment	933	1,281
Related Allowance	0	54
Average Recorded Investment	1,215	1,303
Interest recognized on impaired loans	0	19
Religious Organizations \| Commercial Real Estate Portfolio Segment
Unpaid Contractual Principal Balance	187	195
Recorded Investment With No Allowance	187	195
Recorded Investment With Allowance	0	0
Total Recorded Investment	187	195
Related Allowance	0	0
Average Recorded Investment	191	273
Interest recognized on impaired loans	$ 0	$ 0

Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 15
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5212-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 17
-URI http://asc.fasb.org/extlink&oid=121611835&loc=d3e5258-111524

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 310
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