Note 4: Loans and Allowance For Loan Losses: Schedule of balance in the allowance for loan losses and recorded investment (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Jun. 30, 2015
Residential Mortgage
Provision for Loan Losses Expensed	$ 539	$ 217
Allowance for Loan and Lease Losses, Write-offs	(64)	(11)
Allowance for Doubtful Accounts Receivable, Recoveries	1	8
Residential Mortgage | Beginning of period
Allowance for loan losses	2,819	2,462
Residential Mortgage | End of period
Allowance for loan losses	3,295	2,676	$ 2,819
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	3,295	2,676	2,819
Financing Receivable, Collectively Evaluated for Impairment	380,541		374,186
Represents the monetary amount of FinancingReceivableAcquiredWithDeterioratedCreditQuality1, during the indicated time period.	3,140		3,279
Construction Loan Payable
Provision for Loan Losses Expensed	(34)	162
Construction Loan Payable | Beginning of period
Allowance for loan losses	899	355
Construction Loan Payable | End of period
Allowance for loan losses	865	517	899
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	865	517	899
Financing Receivable, Collectively Evaluated for Impairment	41,501		42,655
Represents the monetary amount of FinancingReceivableAcquiredWithDeterioratedCreditQuality1, during the indicated time period.	1,832		1,861
Commercial Real Estate
Provision for Loan Losses Expensed	114	14
Allowance for Loan and Lease Losses, Write-offs	(21)
Allowance for Doubtful Accounts Receivable, Recoveries		18
Commercial Real Estate | Beginning of period
Allowance for loan losses	4,956	4,143
Commercial Real Estate | End of period
Allowance for loan losses	5,049	4,175	4,956
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	5,049	4,175	4,956
Financing Receivable, Collectively Evaluated for Impairment	398,354		394,028
Represents the monetary amount of FinancingReceivableAcquiredWithDeterioratedCreditQuality1, during the indicated time period.	10,617		10,692
Consumer Loan
Provision for Loan Losses Expensed	1	45
Allowance for Loan and Lease Losses, Write-offs	(10)	(20)
Allowance for Doubtful Accounts Receivable, Recoveries	1	26
Consumer Loan | Beginning of period
Allowance for loan losses	758	519
Consumer Loan | End of period
Allowance for loan losses	750	570	758
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	750	570	758
Financing Receivable, Collectively Evaluated for Impairment	46,581		46,560
Represents the monetary amount of FinancingReceivableAcquiredWithDeterioratedCreditQuality1, during the indicated time period.			210
Commercial Loan
Provision for Loan Losses Expensed	(2)	389
Allowance for Loan and Lease Losses, Write-offs	(12)
Allowance for Doubtful Accounts Receivable, Recoveries	1	3
Commercial Loan | Beginning of period
Allowance for loan losses	2,866	1,780
Commercial Loan | End of period
Allowance for loan losses	2,853	2,172	2,866
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	144		160
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	2,709	2,172	2,706
Financing Receivable, Individually Evaluated for Impairment	651		675
Financing Receivable, Collectively Evaluated for Impairment	197,532		190,128
Represents the monetary amount of FinancingReceivableAcquiredWithDeterioratedCreditQuality1, during the indicated time period.	1,070		1,083
Total loans
Provision for Loan Losses Expensed	618	827
Allowance for Loan and Lease Losses, Write-offs	(107)	(31)
Allowance for Doubtful Accounts Receivable, Recoveries	3	55
Total loans | Beginning of period
Allowance for loan losses	12,298	9,259
Total loans | End of period
Allowance for loan losses	12,812	10,110	12,298
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	144		160
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	12,668	$ 10,110	12,138
Financing Receivable, Individually Evaluated for Impairment	651		675
Financing Receivable, Collectively Evaluated for Impairment	1,064,509		1,047,557
Represents the monetary amount of FinancingReceivableAcquiredWithDeterioratedCreditQuality1, during the indicated time period.	$ 16,659		$ 17,125