NOTE 3: Loans and Allowance for Loan Losses: Schedule of Loan Portfolio Aging Analysis (Details) - USD ($) $ in Thousands	Jun. 30, 2018	Jun. 30, 2017
Financing Receivables, 30 to 59 Days Past Due | Residential Mortgage
Financing Receivable Recorded Investment	$ 749	$ 1,491
Financing Receivables, 30 to 59 Days Past Due | Construction Loan Payable
Financing Receivable Recorded Investment	0	35
Financing Receivables, 30 to 59 Days Past Due | Commercial Real Estate
Financing Receivable Recorded Investment	1,100	700
Financing Receivables, 30 to 59 Days Past Due | Consumer Loan
Financing Receivable Recorded Investment	510	216
Financing Receivables, 30 to 59 Days Past Due | Commercial Loan
Financing Receivable Recorded Investment	134	144
Financing Receivables, 30 to 59 Days Past Due | Total loans
Financing Receivable Recorded Investment	2,493	2,586
Financing Receivables, 60 to 89 Days Past Due | Residential Mortgage
Financing Receivable Recorded Investment	84	148
Financing Receivables, 60 to 89 Days Past Due | Construction Loan Payable
Financing Receivable Recorded Investment	0	0
Financing Receivables, 60 to 89 Days Past Due | Commercial Real Estate
Financing Receivable Recorded Investment	290	0
Financing Receivables, 60 to 89 Days Past Due | Consumer Loan
Financing Receivable Recorded Investment	33	16
Financing Receivables, 60 to 89 Days Past Due | Commercial Loan
Financing Receivable Recorded Investment	90	53
Financing Receivables, 60 to 89 Days Past Due | Total loans
Financing Receivable Recorded Investment	497	217
Financing Receivables, Equal to Greater than 90 Days Past Due | Residential Mortgage
Financing Receivable Recorded Investment	4,089	676
Financing Receivables, Equal to Greater than 90 Days Past Due | Construction Loan Payable
Financing Receivable Recorded Investment	0	0
Financing Receivables, Equal to Greater than 90 Days Past Due | Commercial Real Estate
Financing Receivable Recorded Investment	1,484	711
Financing Receivables, Equal to Greater than 90 Days Past Due | Consumer Loan
Financing Receivable Recorded Investment	146	134
Financing Receivables, Equal to Greater than 90 Days Past Due | Commercial Loan
Financing Receivable Recorded Investment	707	426
Financing Receivables, Equal to Greater than 90 Days Past Due | Total loans
Financing Receivable Recorded Investment	6,426	1,947
Nonperforming Financial Instruments | Residential Mortgage
Financing Receivable Recorded Investment	4,922	2,315
Nonperforming Financial Instruments | Construction Loan Payable
Financing Receivable Recorded Investment	0	35
Nonperforming Financial Instruments | Commercial Real Estate
Financing Receivable Recorded Investment	2,874	1,411
Nonperforming Financial Instruments | Consumer Loan
Financing Receivable Recorded Investment	689	366
Nonperforming Financial Instruments | Commercial Loan
Financing Receivable Recorded Investment	931	623
Nonperforming Financial Instruments | Total loans
Financing Receivable Recorded Investment	9,416	4,750
Financing Receivables Current | Residential Mortgage
Financing Receivable Recorded Investment	445,997	440,148
Financing Receivables Current | Construction Loan Payable
Financing Receivable Recorded Investment	66,185	56,007
Financing Receivables Current | Commercial Real Estate
Financing Receivable Recorded Investment	701,773	602,511
Financing Receivables Current | Consumer Loan
Financing Receivable Recorded Investment	77,882	63,285
Financing Receivables Current | Commercial Loan
Financing Receivable Recorded Investment	280,341	246,561
Financing Receivables Current | Total loans
Financing Receivable Recorded Investment	1,572,178	1,408,512
Performing Financial Instruments | Residential Mortgage
Financing Receivable Recorded Investment	450,919	442,463
Performing Financial Instruments | Construction Loan Payable
Financing Receivable Recorded Investment	66,185	56,042
Performing Financial Instruments | Commercial Real Estate
Financing Receivable Recorded Investment	704,647	603,922
Performing Financial Instruments | Consumer Loan
Financing Receivable Recorded Investment	78,571	63,651
Performing Financial Instruments | Commercial Loan
Financing Receivable Recorded Investment	281,272	247,184
Performing Financial Instruments | Total loans
Financing Receivable Recorded Investment	1,581,594	1,413,262
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Residential Mortgage
Financing Receivable Recorded Investment	0	59
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 | Commercial Real Estate
Financing Receivable Recorded Investment	0	0
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Consumer Loan
Financing Receivable Recorded Investment	0	13
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Commercial Loan
Financing Receivable Recorded Investment	0	329
Financing Receivables Greater Than 90 Days Past Due and Still Accruing | Total loans
Financing Receivable Recorded Investment	$ 0	$ 401