Note 3: Securities: Gain (loss) on sales of available for sale securities (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Mar. 31, 2018	Mar. 31, 2017
Details
Gain Recognized from Sales of Available-for-Sale Securities	$ 344,391		$ 395,843
Loss Recognized from Sales of Available-for-Sale Securities	$ 89,996		$ 104,341
Sales of available-for-sale securities		$ 0		$ 0