6. Loans and Allowance For Loan Losses: Schedule of Interest Income on Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Average Recorded Investment	$ 2,245	$ 1,910
Interest recognized on impaired loans	4	1
Commercial And Industrial
Average Recorded Investment	194	412
Interest recognized on impaired loans	0	1
Commercial Real Estate Portfolio Segment
Average Recorded Investment	2,051	1,498
Interest recognized on impaired loans	4	0
Commercial | Commercial And Industrial
Average Recorded Investment	109	335
Interest recognized on impaired loans	0	0
SBA Loans | Commercial And Industrial
Average Recorded Investment	39	62
Interest recognized on impaired loans	0	0
SBA Loans | Commercial Real Estate Portfolio Segment
Average Recorded Investment	268	116
Interest recognized on impaired loans	2	0
Asset Based Loans | Commercial And Industrial
Average Recorded Investment	46	15
Interest recognized on impaired loans	0	1
Commercial Mortgages | Commercial Real Estate Portfolio Segment
Average Recorded Investment	1,329	869
Interest recognized on impaired loans	2	0
Religious Organizations | Commercial Real Estate Portfolio Segment
Average Recorded Investment	454	513
Interest recognized on impaired loans	$ 0	$ 0