Note 17: Fair Value Measurements: Schedule of Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Jun. 30, 2016
Financial Assets | Cash and Cash Equivalents
Financial Instruments Owned Carrying Amount	$ 30,786	$ 22,554
Financial Assets | Interest-bearing time deposits
Financial Instruments Owned Carrying Amount	747	723
Financial Assets | Investment in Federal Home Loan Bank Stock
Financial Instruments Owned Carrying Amount	3,547	6,009
Financial Assets | Investment In Stock Of Federal Reserve Bank Of St Louis
Financial Instruments Owned Carrying Amount	2,357	2,343
Financial Assets | Loans Receivable
Financial Instruments Owned Carrying Amount	1,397,730	1,135,453
Financial Assets | Accrued interest receivable
Financial Instruments Owned Carrying Amount	6,769	5,512
Financial Liabilities | Deposits
Financial Instruments Owned Carrying Amount	1,455,597	1,120,693
Financial Liabilities | Securities Sold under Agreements to Repurchase
Financial Instruments Owned Carrying Amount	10,212	27,085
Financial Liabilities | Federal Home Loan Bank Advances
Financial Instruments Owned Carrying Amount	43,637	110,216
Financial Liabilities | Accrued interest payable
Financial Instruments Owned Carrying Amount	918	720
Financial Liabilities | Subordinated Debt
Financial Instruments Owned Carrying Amount	$ 14,848	$ 14,753