NOTE 3: Loans and Allowance for Loan Losses: Schedule of Debtor Troubled Debt Restructuring, Current Period (Details) $ in Thousands	12 Months Ended
	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)
Construction Loan Payable
Financing Receivable, Modifications, Number of Contracts	0	0
Financing Receivable, Modifications, Recorded Investment	$ 0	$ 0
Commercial Real Estate
Financing Receivable, Modifications, Number of Contracts	13	13
Financing Receivable, Modifications, Recorded Investment	$ 8,084	$ 5,206
Consumer Loan
Financing Receivable, Modifications, Number of Contracts	1	0
Financing Receivable, Modifications, Recorded Investment	$ 14	$ 0
Commercial Loan
Financing Receivable, Modifications, Number of Contracts	8	6
Financing Receivable, Modifications, Recorded Investment	$ 2,787	$ 3,946
Total loans
Financing Receivable, Modifications, Number of Contracts	34	29
Financing Receivable, Modifications, Recorded Investment	$ 11,685	$ 10,908
Residential Real Estate
Financing Receivable, Modifications, Number of Contracts	12	10
Financing Receivable, Modifications, Recorded Investment	$ 800	$ 1,756