Note 4. Investments: Other than Temporary Impairment, Credit Losses Recognized in Earnings (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held, Beginning Balance	$ 145
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, No Previous Impairment	189
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Securities Sold	(46)
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held, Ending Balance	$ 288