6. Loans and Allowance For Loan Losses: Schedule of Bank Loans by Class According to Credit Quality (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Commercial real estate	$ 22,442	$ 26,414
Consumer real estate	2,517	2,841
Consumer loans other	1,054	1,202
Total consumer loans	3,571	4,043
Good/Excellent
Total commercial loans	303	285
Satisfactory
Total commercial loans	18,838	22,392
Pass
Total commercial loans	1,722	2,467
Special Mention
Total commercial loans	1,462	1,557
Substandard
Total commercial loans	2,112	2,476
Doubtful
Total commercial loans	297	299
Total
Total commercial loans	24,734	29,476
Performing
Consumer real estate	2,058	2,354
Consumer loans other	1,054	1,202
Total consumer loans	3,112	3,556
Nonperforming
Consumer real estate	459	487
Consumer loans other	0	0
Total consumer loans	459	487
Commercial And Industrial | Good/Excellent
Total commercial loans	250	285
Commercial And Industrial | Satisfactory
Total commercial loans	1,071	1,822
Commercial And Industrial | Pass
Total commercial loans	272	238
Commercial And Industrial | Special Mention
Total commercial loans	43	58
Commercial And Industrial | Substandard
Total commercial loans	580	583
Commercial And Industrial | Doubtful
Total commercial loans	76	76
Commercial And Industrial | Total
Total commercial loans	2,292	3,062
Consumer And Other Loans | Total | Consumer Installment
Consumer loans other	0	0
Consumer And Other Loans | Total | Student Loans
Consumer loans other	921	1,081
Consumer And Other Loans | Total | Other
Consumer loans other	121	121
Consumer And Other Loans | Performing | Consumer Installment
Consumer loans other	0	0
Consumer And Other Loans | Performing | Student Loans
Consumer loans other	921	1,081
Consumer And Other Loans | Performing | Other
Consumer loans other	121	121
Consumer And Other Loans | Nonperforming | Consumer Installment
Consumer loans other	0	0
Consumer And Other Loans | Nonperforming | Student Loans
Consumer loans other	0	0
Consumer And Other Loans | Nonperforming | Other
Consumer loans other	0	0
Consumer Real Estate | Total | Home Equity
Consumer real estate	811	897
Consumer Real Estate | Total | Home Equity Line Of Credit
Consumer real estate	19	20
Consumer Real Estate | Total | 1-4 Family Residential Mortgages
Consumer real estate	1,687	1,924
Consumer Real Estate | Performing | Home Equity
Consumer real estate	488	539
Consumer Real Estate | Performing | Home Equity Line Of Credit
Consumer real estate	19	20
Consumer Real Estate | Performing | 1-4 Family Residential Mortgages
Consumer real estate	1,551	1,795
Consumer Real Estate | Nonperforming | Home Equity
Consumer real estate	323	358
Consumer Real Estate | Nonperforming | Home Equity Line Of Credit
Consumer real estate	0	0
Consumer Real Estate | Nonperforming | 1-4 Family Residential Mortgages
Consumer real estate	136	129
Commercial Real Estate Portfolio Segment | Good/Excellent
Commercial real estate	53	0
Commercial Real Estate Portfolio Segment | Satisfactory
Commercial real estate	17,767	20,570
Commercial Real Estate Portfolio Segment | Pass
Commercial real estate	1,450	2,229
Commercial Real Estate Portfolio Segment | Special Mention
Commercial real estate	1,419	1,499
Commercial Real Estate Portfolio Segment | Substandard
Commercial real estate	1,532	1,893
Commercial Real Estate Portfolio Segment | Doubtful
Commercial real estate	221	223
Commercial Real Estate Portfolio Segment | Total
Commercial real estate	22,442	26,414
Commercial | Commercial And Industrial | Good/Excellent
Total commercial loans	250	285
Commercial | Commercial And Industrial | Satisfactory
Total commercial loans	344	922
Commercial | Commercial And Industrial | Pass
Total commercial loans	70	16
Commercial | Commercial And Industrial | Special Mention
Total commercial loans	43	58
Commercial | Commercial And Industrial | Substandard
Total commercial loans	252	254
Commercial | Commercial And Industrial | Doubtful
Total commercial loans	0	0
Commercial | Commercial And Industrial | Total
Total commercial loans	959	1,535
SBA Loans | Commercial And Industrial | Good/Excellent
Total commercial loans	0	0
SBA Loans | Commercial And Industrial | Satisfactory
Total commercial loans		0
SBA Loans | Commercial And Industrial | Pass
Total commercial loans		0
SBA Loans | Commercial And Industrial | Special Mention
Total commercial loans	0	0
SBA Loans | Commercial And Industrial | Substandard
Total commercial loans	39	40
SBA Loans | Commercial And Industrial | Doubtful
Total commercial loans		0
SBA Loans | Commercial And Industrial | Total
Total commercial loans	39	40
SBA Loans | Commercial Real Estate Portfolio Segment | Good/Excellent
Commercial real estate	0	0
SBA Loans | Commercial Real Estate Portfolio Segment | Satisfactory
Commercial real estate	162	82
SBA Loans | Commercial Real Estate Portfolio Segment | Pass
Commercial real estate	0	0
SBA Loans | Commercial Real Estate Portfolio Segment | Special Mention
Commercial real estate	0	0
SBA Loans | Commercial Real Estate Portfolio Segment | Substandard
Commercial real estate	259	271
SBA Loans | Commercial Real Estate Portfolio Segment | Doubtful
Commercial real estate	0	0
SBA Loans | Commercial Real Estate Portfolio Segment | Total
Commercial real estate	421	353
Asset Based | Commercial And Industrial | Good/Excellent
Total commercial loans	0	0
Asset Based | Commercial And Industrial | Satisfactory
Total commercial loans	727	900
Asset Based | Commercial And Industrial | Pass
Total commercial loans	202	222
Asset Based | Commercial And Industrial | Special Mention
Total commercial loans	0	0
Asset Based | Commercial And Industrial | Substandard
Total commercial loans	289	289
Asset Based | Commercial And Industrial | Doubtful
Total commercial loans	76	76
Asset Based | Commercial And Industrial | Total
Total commercial loans	1,294	1,487
Commercial Mortgages | Commercial Real Estate Portfolio Segment | Good/Excellent
Commercial real estate	0	0
Commercial Mortgages | Commercial Real Estate Portfolio Segment | Satisfactory
Commercial real estate	8,664	10,689
Commercial Mortgages | Commercial Real Estate Portfolio Segment | Pass
Commercial real estate	1,389	1,098
Commercial Mortgages | Commercial Real Estate Portfolio Segment | Special Mention
Commercial real estate	554	613
Commercial Mortgages | Commercial Real Estate Portfolio Segment | Substandard
Commercial real estate	1,074	1,151
Commercial Mortgages | Commercial Real Estate Portfolio Segment | Doubtful
Commercial real estate	221	223
Commercial Mortgages | Commercial Real Estate Portfolio Segment | Total
Commercial real estate	11,902	13,774
Construction | Commercial Real Estate Portfolio Segment | Good/Excellent
Commercial real estate	0	0
Construction | Commercial Real Estate Portfolio Segment | Satisfactory
Commercial real estate	843	2,175
Construction | Commercial Real Estate Portfolio Segment | Pass
Commercial real estate	0	0
Construction | Commercial Real Estate Portfolio Segment | Special Mention
Commercial real estate	0	0
Construction | Commercial Real Estate Portfolio Segment | Substandard
Commercial real estate	0	0
Construction | Commercial Real Estate Portfolio Segment | Doubtful
Commercial real estate	0	0
Construction | Commercial Real Estate Portfolio Segment | Total
Commercial real estate	843	2,175
Religious Organizations | Commercial Real Estate Portfolio Segment | Good/Excellent
Commercial real estate	53	0
Religious Organizations | Commercial Real Estate Portfolio Segment | Satisfactory
Commercial real estate	8,098	7,624
Religious Organizations | Commercial Real Estate Portfolio Segment | Pass
Commercial real estate	61	1,131
Religious Organizations | Commercial Real Estate Portfolio Segment | Special Mention
Commercial real estate	865	886
Religious Organizations | Commercial Real Estate Portfolio Segment | Substandard
Commercial real estate	199	471
Religious Organizations | Commercial Real Estate Portfolio Segment | Doubtful
Commercial real estate	0	0
Religious Organizations | Commercial Real Estate Portfolio Segment | Total
Commercial real estate	$ 9,276	$ 10,112