Note 2. Investment Securities: Other than Temporary Impairment, Credit Losses Recognized in Earnings (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Details
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held	$ 1,976	$ 2,555	$ 1,763
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, No Previous Impairment		473	878
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, Additional Credit Losses		148
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Securities Sold	1,503	1,200	86
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held	$ 473	$ 1,976	$ 2,555