NOTE 3: Loans and Allowance for Loan Losses: Schedule of Loan Portfolio Aging Analysis (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Jun. 30, 2018
Financial Asset, 30 to 59 Days Past Due | Loans Receivable
Financing Receivable Recorded Investment	$ 1,075	$ 2,493
Financial Asset, 30 to 59 Days Past Due | Consumer Loan
Financing Receivable Recorded Investment	128	510
Financial Asset, 30 to 59 Days Past Due | Commercial Loan
Financing Receivable Recorded Investment	424	134
Financial Asset, 30 to 59 Days Past Due | Construction Loan Payable
Financing Receivable Recorded Investment	0	0
Financial Asset, 30 to 59 Days Past Due | Residential Real Estate
Financing Receivable Recorded Investment	227	749
Financial Asset, 30 to 59 Days Past Due | Commercial Real Estate
Financing Receivable Recorded Investment	296	1,100
Financial Asset, 60 to 89 Days Past Due | Loans Receivable
Financing Receivable Recorded Investment	1,126	497
Financial Asset, 60 to 89 Days Past Due | Consumer Loan
Financing Receivable Recorded Investment	46	33
Financial Asset, 60 to 89 Days Past Due | Commercial Loan
Financing Receivable Recorded Investment	25	90
Financial Asset, 60 to 89 Days Past Due | Construction Loan Payable
Financing Receivable Recorded Investment	0	0
Financial Asset, 60 to 89 Days Past Due | Residential Real Estate
Financing Receivable Recorded Investment	1,054	84
Financial Asset, 60 to 89 Days Past Due | Commercial Real Estate
Financing Receivable Recorded Investment	1	290
Financial Asset, Equal to or Greater than 90 Days Past Due | Loans Receivable
Financing Receivable Recorded Investment	9,409	6,426
Financial Asset, Equal to or Greater than 90 Days Past Due | Consumer Loan
Financing Receivable Recorded Investment	176	146
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial Loan
Financing Receivable Recorded Investment	1,902	707
Financial Asset, Equal to or Greater than 90 Days Past Due | Construction Loan Payable
Financing Receivable Recorded Investment	0	0
Financial Asset, Equal to or Greater than 90 Days Past Due | Residential Real Estate
Financing Receivable Recorded Investment	1,714	4,089
Financial Asset, Equal to or Greater than 90 Days Past Due | Commercial Real Estate
Financing Receivable Recorded Investment	5,617	1,484
Nonperforming Financial Instruments | Loans Receivable
Financing Receivable Recorded Investment	11,610	9,416
Nonperforming Financial Instruments | Consumer Loan
Financing Receivable Recorded Investment	350	689
Nonperforming Financial Instruments | Commercial Loan
Financing Receivable Recorded Investment	2,351	931
Nonperforming Financial Instruments | Construction Loan Payable
Financing Receivable Recorded Investment	0	0
Nonperforming Financial Instruments | Residential Real Estate
Financing Receivable Recorded Investment	2,995	4,922
Nonperforming Financial Instruments | Commercial Real Estate
Financing Receivable Recorded Investment	5,914	2,874
Financing Receivables Current | Loans Receivable
Financing Receivable Recorded Investment	1,854,701	1,572,178
Financing Receivables Current | Consumer Loan
Financing Receivable Recorded Investment	97,184	77,882
Financing Receivables Current | Commercial Loan
Financing Receivable Recorded Investment	353,523	280,341
Financing Receivables Current | Construction Loan Payable
Financing Receivable Recorded Investment	80,134	66,185
Financing Receivables Current | Residential Real Estate
Financing Receivable Recorded Investment	488,997	445,997
Financing Receivables Current | Commercial Real Estate
Financing Receivable Recorded Investment	834,863	701,773
Performing Financial Instruments | Loans Receivable
Financing Receivable Recorded Investment	1,866,311	1,581,594
Performing Financial Instruments | Consumer Loan
Financing Receivable Recorded Investment	97,534	78,571
Performing Financial Instruments | Commercial Loan
Financing Receivable Recorded Investment	355,874	281,272
Performing Financial Instruments | Construction Loan Payable
Financing Receivable Recorded Investment	80,134	66,185
Performing Financial Instruments | Residential Real Estate
Financing Receivable Recorded Investment	491,992	450,919
Performing Financial Instruments | Commercial Real Estate
Financing Receivable Recorded Investment	840,777	704,647
Financing Receivables Greater than 90 Days Past Due and Still Accruing | Loans Receivable
Financing Receivable Recorded Investment	0	0
Financing Receivables Greater than 90 Days Past Due and Still Accruing | Consumer Loan
Financing Receivable Recorded Investment	0	0
Financing Receivables Greater than 90 Days Past Due and Still Accruing | Commercial Loan
Financing Receivable Recorded Investment	0	0
Financing Receivables Greater than 90 Days Past Due and Still Accruing | Construction Loan Payable
Financing Receivable Recorded Investment	0	0
Financing Receivables Greater than 90 Days Past Due and Still Accruing | Residential Real Estate
Financing Receivable Recorded Investment	0	0
Financing Receivables Greater than 90 Days Past Due and Still Accruing | Commercial Real Estate
Financing Receivable Recorded Investment	$ 0	$ 0