6. Loans and Allowance For Loan Losses: Schedule of Interest Income on Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Average Recorded Investment	$ 2,251	$ 1,854	$ 1,985	$ 1,782
Interest recognized on impaired loans	7	2	18	3
Commercial And Industrial
Average Recorded Investment	437	320	437	286
Interest recognized on impaired loans	3	2	0	3
Commercial Real Estate Portfolio Segment
Average Recorded Investment	1,814	1,534	1,548	1,496
Interest recognized on impaired loans	4	0	18	0
Commercial | Commercial And Industrial
Average Recorded Investment	109	201	109	200
Interest recognized on impaired loans	0	0	0	0
SBA Loans | Commercial And Industrial
Average Recorded Investment	39	46	39	46
Interest recognized on impaired loans	0	1	0	2
SBA Loans | Commercial Real Estate Portfolio Segment
Average Recorded Investment	264	113	103	112
Interest recognized on impaired loans	0	0	5	0
Asset Based Loans | Commercial And Industrial
Average Recorded Investment	289	73	289	40
Interest recognized on impaired loans	3	1	0	1
Commercial Mortgages | Commercial Real Estate Portfolio Segment
Average Recorded Investment	1,308	934	1,097	896
Interest recognized on impaired loans	4	0	13	0
Religious Organizations | Commercial Real Estate Portfolio Segment
Average Recorded Investment	242	487	348	488
Interest recognized on impaired loans	$ 0	$ 0	$ 0	$ 0