6. Loans and Allowance For Loan Losses: Allowance for Credit Losses on Financing Receivables (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Beginning balance	$ 937	$ 864	$ 1,204	$ 867
Provision for loan losses	(55)	30	15	60
Charge-offs	(188)		(528)	(47)
Recoveries	84	12	87	26
Net charge-offs	(104)	12	(441)	(21)
Ending balance	778	906	778	906
Period-end amount allocated to loans individually evaluated for impairment	349		349		843
Period-end amount allocated to loans collectively evaluated for impairment	429		429		361
Loans, ending balance: Loans individually evaluated for impairment	1,817		1,817		2,344
Loans, ending balance: Loans collectively evaluated for impairment	40,036		40,036		39,158
Total	41,853		41,853		41,502
Commercial And Industrial
Beginning balance	614	417	891	387
Provision for loan losses	15	79	77	109
Charge-offs	(184)		(524)
Recoveries	1		2
Net charge-offs	(183)		(522)
Ending balance	446	496	446	496
Period-end amount allocated to loans individually evaluated for impairment	349		349		843
Period-end amount allocated to loans collectively evaluated for impairment	97		97		48
Loans, ending balance: Loans individually evaluated for impairment	526		526		1,021
Loans, ending balance: Loans collectively evaluated for impairment	2,466		2,466		2,713
Total	2,992		2,992		3,734
Commercial Real Estate
Beginning balance	275	412	308	412
Provision for loan losses	(65)	(47)	(98)	(50)
Recoveries	78	2	78	5
Net charge-offs	78	2	78	5
Ending balance	288	367	288	367
Period-end amount allocated to loans collectively evaluated for impairment	288		288		308
Loans, ending balance: Loans individually evaluated for impairment	1,291		1,291		1,323
Loans, ending balance: Loans collectively evaluated for impairment	31,585		31,585		30,058
Total	32,876		32,876		31,381
Consumer Real Estate
Beginning balance	48	35	5	68
Provision for loan losses	(6)	(2)	35
Charge-offs				(38)
Recoveries	2	10	4	13
Net charge-offs	2	10	4	(21)
Ending balance	44	43	44	43
Period-end amount allocated to loans collectively evaluated for impairment	44		44		5
Loans, ending balance: Loans collectively evaluated for impairment	4,361		4,361		4,619
Total	4,361		4,361		4,619
Consumer And Other Loans
Provision for loan losses	1		1	1
Charge-offs	(4)		(4)	(9)
Recoveries	3		3	8
Net charge-offs	(1)		(1)	(1)
Loans, ending balance: Loans collectively evaluated for impairment	1,624		1,624		1,768
Total	$ 1,624		$ 1,624		$ 1,768