Note 11: Fair Value Measurements: Gains (Losses) Recognized on Assets Measured on a Nonrecurring Basis (Details) - USD ($)	9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Impaired loans (collateral dependent)
Gains (losses) recognized on assets measured on a non-recurring basis	$ 0	$ (750)
Foreclosed and repossessed assets held for sale
Gains (losses) recognized on assets measured on a non-recurring basis	(229)	(164)
Total Gains Losses on Assets Measured on a Nonrecurring Basis
Gains (losses) recognized on assets measured on a non-recurring basis	$ (229)	$ (914)