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
	Dec. 31, 2015 USD ($)	Jun. 30, 2015 USD ($)
Commercial Loan
Financing Receivable Modifications Post Modification Number of Contracts	3	3
Total loans
Financing Receivable Modifications Post Modification Number of Contracts	21	24
Residential Mortgage
Financing Receivable Modifications Post Modification Number of Contracts	7	7
Commercial Real Estate
Financing Receivable Modifications Post Modification Number of Contracts	11	14
Performing Financial Instruments | Commercial Loan
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 1,253	$ 1,280
Performing Financial Instruments | Total loans
Financing Receivable, Modifications, Post-Modification Recorded Investment	5,548	6,548
Performing Financial Instruments | Residential Mortgage
Financing Receivable, Modifications, Post-Modification Recorded Investment	487	602
Performing Financial Instruments | Commercial Real Estate
Financing Receivable, Modifications, Post-Modification Recorded Investment	$ 3,808	$ 4,666