Note 13. Other Comprehensive Income (loss): Schedule Of Other Comprehensive Income Reclassifications By Component (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Other Comprehensive Income Loss Reclassification Adjustments Available for Sale Securities Before Tax	$ (4,326)	$ (805)
Other Comprehensive Income Loss Reclassification Adjustments Available for Sale Securities, Tax	(1,351)	(252)
Other Comprehensive Income Loss Reclassification Adjustments Available for Sale Securities After Tax	(2,975)	(553)
Net realized investment gains
Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, before Tax	(4,326)	(888)
Net impairment losses recognized in earnings
Other Comprehensive Income (Loss), Reclassification Adjustment for Write-down of Securities Included in Net Income, before Tax		$ 83