Note 10: Short-term Borrowings: Short Term Borrowings (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Details
Short-term Debt, Weighted Average Interest Rate	0.50%	0.04%
Short-term Debt, Average Outstanding Amount	$ 327,700	$ 192,100
Short-term Debt, Maximum Amount Outstanding During Period	$ 523,100	$ 219,500