Note 8: Income Taxes: Schedule of Reconciliation of Income Tax Expense at the Statutory Rate to Actual Income Tax (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	$ 2,674	$ 2,059
Other, net	(32)	(26)
Income Tax Expense, Actual	2,747	1,976
Increase (reduction) in taxes
Nontaxable Municipal Income	(103)	(113)
Current State and Local Tax Expense (Benefit)	241	109
Cash Surrender Value Of Bank-owned Life Insurance	(59)	(53)
Tax Credit Benefits	$ 26	$ 0