3. Changes in Accumulated Other Comprehensive Income: Schedule of Components of Other Comprehensive Income (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Jun. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Text Block [Abstract]
Other comprehensive income, before tax amount, beginning	$ 106	$ (39)	$ (29)	$ 21
Other comprehensive income, Taxes, beginning	(35)	5	10	8
Other comprehensive income, Net of tax Amount, beginning	71	(34)	(19)	(13)
Unrealized holding gain arising during period, before tax amount	5	97	130	66
Unrealized holding gain arising during period, taxes	1	33	(44)	(23)
Unrealized holding gain arising during period, net of tax amount	4	64	86	43
Less: reclassification adjustment for gains(losses) realized in net loss, before tax amount	0	0	0	0
Less: reclassification adjustment for gains(losses) realized in net loss, taxes	0	0	0	0
Less: reclassification adjustment for gains(losses) realized in net loss, net of tax amount	0	0	0	0
Other comprehensive loss, net, before tax amount	5	97	130	66
Other comprehensive loss, net, taxes	1	33	(44)	(23)
Other comprehensive loss, net, net after tax amount	4	64	86	43
Other comprehensive income, before tax amount, ending	101	58	101	45
Other comprehensive income, Taxes, ending	(34)	(28)	(34)	(15)
Other comprehensive income, Net of tax Amount, ending	$ 67	$ 30	$ 67	$ 30