NOTE 12: Income Taxes: Reconciliation of Income Tax Expense at the Statutory Rate to Actual Income Tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount	$ 7,550	$ 8,074	$ 7,565
Other, net	(41)	(370)	(441)
Income Tax Expense, Actual	7,047	7,803	6,062
Increase (Decrease) in Taxes
Nontaxable Municipal Income	(400)	(441)	(513)
Current State and Local Tax Expense (Benefit)	487	553	215
Cash Surrender Value Of Bank-owned Life Insurance	(279)	(266)	(397)
Tax Credit Benefits	(270)	(871)	(367)
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability	$ 0	$ 1,124	$ 0