6. Loans and Allowance For Loan Losses: Impaired Financing Receivables Additional Information (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
Impaired Financing Receivable, Average Recorded Investment	$ 1,945	$ 1,702	$ 2,028	$ 1,075
Impaired Financing Receivable, Interest Income, Accrual Method		1		1
Commercial And Industrial
Impaired Financing Receivable, Average Recorded Investment	649	637	774	609
Impaired Financing Receivable, Interest Income, Accrual Method		1		1
Commercial And Industrial | Commercial
Impaired Financing Receivable, Average Recorded Investment	512	482	626	482
Commercial And Industrial | SBA Loans
Impaired Financing Receivable, Average Recorded Investment	49	17	49	8
Impaired Financing Receivable, Interest Income, Accrual Method		1		1
Commercial And Industrial | Asset Based Loans
Impaired Financing Receivable, Average Recorded Investment	88	138	99	119
Commercial Real Estate
Impaired Financing Receivable, Average Recorded Investment	1,296	1,065	1,254	1,075
Commercial Real Estate | Commercial Mortgages
Impaired Financing Receivable, Average Recorded Investment	639	666	640	670
Commercial Real Estate | Religious Organizations
Impaired Financing Receivable, Average Recorded Investment	$ 657	$ 399	$ 614	$ 405