Note 5. Investments: Realized Gain (Loss) on Investments (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Available-for-sale Securities, Gross Realized Gain (Loss), Excluding Other than Temporary Impairments	$ 857	$ 575	$ 520
Trading Securities, Realized Gain (Loss)	214	9
Available-for-sale Securities, Transfers to Trading, Gains (Losses), Excluding Other than Temporary Impairments		20
Trading Securities, Change in Unrealized Holding Gain (Loss)	11	(1)
Marketable Securities, Unrealized Gain (Loss), Excluding Other than Temporary Impairments	11	19
Net realized investment gains (losses)	1,082	603	520
Debt Securities
Available-for-sale Securities, Realized Losses, Excluding Other than Temporary Impairments	834	579	737
COMMON STOCK
Available-for-sale Securities, Realized Losses, Excluding Other than Temporary Impairments			(146)
Preferred Stock
Available-for-sale Securities, Realized Losses, Excluding Other than Temporary Impairments	$ 23	$ (4)	$ (71)