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NOTE 5: INVESTMENT SECURITIES: Sales of Available for Sale Securities (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Details        
Available-for-sale Securities, Gross Realized Gains $ 2,000   $ 2,000  
Available-for-sale Securities, Gross Realized Losses $ 0   0  
Proceeds from sales of available-for-sale securities   $ 0 $ 502 $ 0