Note 4: Loans and Allowance For Loan Losses: Performing Loans Classified as Troubled Debt Restructuring Loans (Details) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2017 USD ($)	Jun. 30, 2016 USD ($)
Residential Mortgage
Troubled Debt Restructuring Performing Loans, Number	9	7
Commercial Real Estate
Troubled Debt Restructuring Performing Loans, Number	16	12
Consumer Loan
Troubled Debt Restructuring Performing Loans, Number	1	1
Commercial Loan
Troubled Debt Restructuring Performing Loans, Number	3	5
Total loans
Troubled Debt Restructuring Performing Loans, Number	29	25
Performing Financial Instruments | Residential Mortgage
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 1,329	$ 479
Performing Financial Instruments | Commercial Real Estate
Financing Receivable, Modifications, Post-Modification Recorded Investment	5,936	4,134
Performing Financial Instruments | Consumer Loan
Financing Receivable, Modifications, Post-Modification Recorded Investment	34	36
Performing Financial Instruments | Commercial Loan
Financing Receivable, Modifications, Post-Modification Recorded Investment	1,350	1,429
Performing Financial Instruments | Total loans
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 8,649	$ 6,078