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Note 10: Short-Term Borrowings: Short-term borrowings (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Details    
Short-term Debt, Weighted Average Interest Rate, at Point in Time 1.68% 0.30%
Short-term borrowings average $ 137,300 $ 186,400
Short term borrowing maximum amounts outstanding at any month end $ 298,000 $ 297,400