Note 2: Investments in Debt and Equity Securities: Credit Losses Recognized On Investments: Other than Temporary Impairment, Credit Losses Recognized in Earnings (Details) (Accumulated Credit Losses, USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Accumulated Credit Losses
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held, Beginning Balance	$ 4,176	$ 3,598
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Cash Flows	(4,176)
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Additions, No Previous Impairment		680
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Reductions, Securities Sold		(102)
Other than Temporary Impairment, Credit Losses Recognized in Earnings, Credit Losses on Debt Securities Held, Ending Balance		$ 4,176