6. Loans and Allowance For Loan Losses: Schedule of Bank Loans by Class According to Credit Quality (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Commercial real estate	$ 20,611	$ 21,488
Consumer real estate	2,039	2,232
Consumer loans other	928	966
Total consumer loans	2,967	3,198
Good/Excellent
Total commercial loans	278	309
Satisfactory
Total commercial loans	15,231	18,011
Pass
Total commercial loans	4,073	2,333
Special Mention
Total commercial loans	784	844
Substandard
Total commercial loans	2,016	1,843
Doubtful
Total commercial loans	297	297
Total
Total commercial loans	22,679	23,637
Performing
Consumer real estate	1,698	1,659
Consumer loans other	928	904
Total consumer loans	2,626	2,563
Nonperforming
Consumer real estate	341	573
Consumer loans other	0	62
Total consumer loans	341	635
Commercial And Industrial | Good/Excellent
Total commercial loans	260	260
Commercial And Industrial | Satisfactory
Total commercial loans	1,056	1,073
Commercial And Industrial | Pass
Total commercial loans	132	207
Commercial And Industrial | Special Mention
Total commercial loans	35	38
Commercial And Industrial | Substandard
Total commercial loans	509	495
Commercial And Industrial | Doubtful
Total commercial loans	76	76
Commercial And Industrial | Total
Total commercial loans	2,068	2,149
Consumer Real Estate | Total | Home Equity
Consumer real estate	810	799
Consumer Real Estate | Total | Home Equity Line Of Credit
Consumer real estate	18	19
Consumer Real Estate | Total | 1-4 Family Residential Mortgages
Consumer real estate	1,211	1,414
Consumer Real Estate | Performing | Home Equity
Consumer real estate	469	301
Consumer Real Estate | Performing | Home Equity Line Of Credit
Consumer real estate	18	19
Consumer Real Estate | Performing | 1-4 Family Residential Mortgages
Consumer real estate	1,211	1,339
Consumer Real Estate | Nonperforming | Home Equity
Consumer real estate	341	498
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	0	75
Consumer And Other Loans | Total | Student Loans
Consumer loans other	822	855
Consumer And Other Loans | Total | Other
Consumer loans other	106	111
Consumer And Other Loans | Performing | Student Loans
Consumer loans other	822	794
Consumer And Other Loans | Performing | Other
Consumer loans other	106	110
Consumer And Other Loans | Nonperforming | Student Loans
Consumer loans other	0	61
Consumer And Other Loans | Nonperforming | Other
Consumer loans other	0	1
Commercial Real Estate Portfolio Segment | Good/Excellent
Commercial real estate	18	49
Commercial Real Estate Portfolio Segment | Satisfactory
Commercial real estate	14,175	16,938
Commercial Real Estate Portfolio Segment | Pass
Commercial real estate	3,941	2,126
Commercial Real Estate Portfolio Segment | Special Mention
Commercial real estate	749	806
Commercial Real Estate Portfolio Segment | Substandard
Commercial real estate	1,507	1,348
Commercial Real Estate Portfolio Segment | Doubtful
Commercial real estate	221	221
Commercial Real Estate Portfolio Segment | Total
Commercial real estate	20,611	21,488
Commercial | Commercial And Industrial | Good/Excellent
Total commercial loans	260	260
Commercial | Commercial And Industrial | Satisfactory
Total commercial loans	315	331
Commercial | Commercial And Industrial | Pass
Total commercial loans	7	9
Commercial | Commercial And Industrial | Special Mention
Total commercial loans	35	38
Commercial | Commercial And Industrial | Substandard
Total commercial loans	266	252
Commercial | Commercial And Industrial | Doubtful
Total commercial loans	0	0
Commercial | Commercial And Industrial | Total
Total commercial loans	883	891
Asset Based | Commercial And Industrial | Good/Excellent
Total commercial loans	0	0
Asset Based | Commercial And Industrial | Satisfactory
Total commercial loans	741	742
Asset Based | Commercial And Industrial | Pass
Total commercial loans	125	198
Asset Based | Commercial And Industrial | Special Mention
Total commercial loans	0	0
Asset Based | Commercial And Industrial | Substandard
Total commercial loans	243	243
Asset Based | Commercial And Industrial | Doubtful
Total commercial loans	76	76
Asset Based | Commercial And Industrial | Total
Total commercial loans	1,185	1,259
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	7,789	8,193
Commercial Mortgages | Commercial Real Estate Portfolio Segment | Pass
Commercial real estate	1,421	1,375
Commercial Mortgages | Commercial Real Estate Portfolio Segment | Special Mention
Commercial real estate	522	537
Commercial Mortgages | Commercial Real Estate Portfolio Segment | Substandard
Commercial real estate	1,059	1,059
Commercial Mortgages | Commercial Real Estate Portfolio Segment | Doubtful
Commercial real estate	221	221
Commercial Mortgages | Commercial Real Estate Portfolio Segment | Total
Commercial real estate	11,012	11,385
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	0	2
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	160
SBA Loans | Commercial Real Estate Portfolio Segment | Substandard
Commercial real estate	254	93
SBA Loans | Commercial Real Estate Portfolio Segment | Doubtful
Commercial real estate	0	0
SBA Loans | Commercial Real Estate Portfolio Segment | Total
Commercial real estate	254	255
Construction | Commercial Real Estate Portfolio Segment | Good/Excellent
Commercial real estate	0	0
Construction | Commercial Real Estate Portfolio Segment | Satisfactory
Commercial real estate	635	542
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	635	542
Religious Organizations | Commercial Real Estate Portfolio Segment | Good/Excellent
Commercial real estate	18	49
Religious Organizations | Commercial Real Estate Portfolio Segment | Satisfactory
Commercial real estate	5,751	8,201
Religious Organizations | Commercial Real Estate Portfolio Segment | Pass
Commercial real estate	2,520	751
Religious Organizations | Commercial Real Estate Portfolio Segment | Special Mention
Commercial real estate	227	109
Religious Organizations | Commercial Real Estate Portfolio Segment | Substandard
Commercial real estate	194	196
Religious Organizations | Commercial Real Estate Portfolio Segment | Doubtful
Commercial real estate	0	0
Religious Organizations | Commercial Real Estate Portfolio Segment | Total
Commercial real estate	$ 8,710	$ 9,306