Note 4: Loans and Allowance for Loan Losses: Schedule of Interest Income Recognized on Impaired Loans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Total Loans
Impaired Financing Receivable, Average Recorded Investment	$ 24,298	$ 19,681	$ 25,713	$ 17,976
Impaired Financing Receivable Interest Income Recognized	519	600	1,018	1,720
Consumer Loan
Impaired Financing Receivable, Average Recorded Investment	0	0	0	0
Impaired Financing Receivable Interest Income Recognized	0	0	0	0
Commercial Loan
Impaired Financing Receivable, Average Recorded Investment	5,760	3,356	5,904	3,054
Impaired Financing Receivable Interest Income Recognized	121	102	214	718
Construction Loan Payable
Impaired Financing Receivable, Average Recorded Investment	1,300	1,295	1,302	1,295
Impaired Financing Receivable Interest Income Recognized	36	41	84	142
Residential Real Estate
Impaired Financing Receivable, Average Recorded Investment	1,482	1,844	1,549	2,300
Impaired Financing Receivable Interest Income Recognized	22	28	45	61
Commercial Real Estate
Impaired Financing Receivable, Average Recorded Investment	15,756	13,186	16,958	11,327
Impaired Financing Receivable Interest Income Recognized	$ 340	$ 429	$ 675	$ 799