4. Loans and Allowance For Loan Losses: Allowance for Credit Losses on Financing Receivables (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Beginning balance	$ 867
Provision for loan losses	453	170
Provision for loan losses	453	170
Charge-offs	(157)	(266)
Charge-offs	(157)	(266)
Recoveries	41	37
Recoveries	41	37
Net charge-offs	(116)	(229)
Net charge-offs	(116)	(229)
Ending balance	1,204	867
Period-end amount allocated to loans individually evaluated for impairment	843	308
Period-end amount allocated to loans collectively evaluated for impairment	361	559
Total allocation	1,204	867
Loans, ending balance: Loans individually evaluated for impairment	2,344	1,687
Loans, ending balance: Loans collectively evaluated for impairment	39,158	39,815
Total	41,502	41,502
Commercial And Industrial
Beginning balance	387	301
Provision for loan losses	560	150
Provision for loan losses	560	150
Charge-offs	(56)	(65)
Charge-offs	(56)	(65)
Recoveries		1
Recoveries		1
Net charge-offs	(56)	(64)
Net charge-offs	(56)	(64)
Ending balance	891	387
Period-end amount allocated to loans individually evaluated for impairment	843	308
Period-end amount allocated to loans collectively evaluated for impairment	48	79
Total allocation	891	387
Loans, ending balance: Loans individually evaluated for impairment	1,021	592
Loans, ending balance: Loans collectively evaluated for impairment	2,713	3,138
Total	3,734	3,730
Commercial Real Estate
Beginning balance	412	553
Provision for loan losses	(112)
Provision for loan losses	(112)
Charge-offs		(150)
Charge-offs		(150)
Recoveries	8	9
Recoveries	8	9
Net charge-offs	8	(141)
Net charge-offs	8	(141)
Ending balance	308	412
Period-end amount allocated to loans collectively evaluated for impairment	308	412
Total allocation	308	412
Loans, ending balance: Loans individually evaluated for impairment	1,323	1,095
Loans, ending balance: Loans collectively evaluated for impairment	30,058	29,102
Total	31,381	30,197
Consumer Real Estate
Beginning balance	68	52
Provision for loan losses		15
Provision for loan losses		15
Charge-offs	(80)	(5)
Charge-offs	(80)	(5)
Recoveries	17	6
Recoveries	17	6
Net charge-offs	(63)	1
Net charge-offs	(63)	1
Ending balance	5	68
Period-end amount allocated to loans collectively evaluated for impairment	5	68
Total allocation	5	68
Loans, ending balance: Loans collectively evaluated for impairment	4,619	5,586
Total	4,619	5,586
Consumer And Other Loans
Beginning balance		20
Provision for loan losses	5	5
Provision for loan losses	5	5
Charge-offs	(21)	(46)
Charge-offs	(21)	(46)
Recoveries	16	21
Recoveries	16	21
Net charge-offs	(5)	(25)
Net charge-offs	(5)	(25)
Loans, ending balance: Loans collectively evaluated for impairment	1,768	1,989
Total	$ 1,768	$ 1,989