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
Jun. 30, 2018	Sep. 30, 2018	Sep. 30, 2017
Loans Receivable
Provision for Loan Losses Expensed	$ 3,047	$ 682	$ 868
Allowance for Loan and Lease Losses, Write-offs	(406)	(112)	(52)
Allowance for Doubtful Accounts Receivable, Recoveries	35	6	3
Loans Receivable \| Beginning of period
Allowance for Loan Losses	15,538	18,214	15,538
Loans Receivable \| End of period
Allowance for Loan Losses	18,214	18,790	16,357
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	750	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	17,464	18,790	16,357
Financing Receivables Allowance for Credit Losses Acquired with Deteriorated Credit Quality	0	0	0
Financing Receivable, Individually Evaluated for Impairment	1,240	0
Financing Receivable, Collectively Evaluated for Impairment	1,565,783	1,632,150
Financing Receivables Acquired with Deteriorated Credit Quality	14,571	10,798
Consumer Loan
Provision for Loan Losses Expensed	251	92	84
Allowance for Loan and Lease Losses, Write-offs	(129)	(17)	(29)
Allowance for Doubtful Accounts Receivable, Recoveries	23	4	3
Consumer Loan \| Beginning of period
Allowance for Loan Losses	757	902	757
Consumer Loan \| End of period
Allowance for Loan Losses	902	981	815
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	902	981	815
Financing Receivables Allowance for Credit Losses Acquired with Deteriorated Credit Quality	0	0	0
Financing Receivable, Individually Evaluated for Impairment	0	0
Financing Receivable, Collectively Evaluated for Impairment	78,571	77,768
Financing Receivables Acquired with Deteriorated Credit Quality	0	0
Commercial Loan
Provision for Loan Losses Expensed	691	237	109
Allowance for Loan and Lease Losses, Write-offs	(22)	0	0
Allowance for Doubtful Accounts Receivable, Recoveries	8	1	0
Commercial Loan \| Beginning of period
Allowance for Loan Losses	3,519	4,196	3,519
Commercial Loan \| End of period
Allowance for Loan Losses	4,196	4,434	3,628
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	351	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	3,845	4,434	3,628
Financing Receivables Allowance for Credit Losses Acquired with Deteriorated Credit Quality	0	0	0
Financing Receivable, Individually Evaluated for Impairment	580	0
Financing Receivable, Collectively Evaluated for Impairment	278,241	309,784
Financing Receivables Acquired with Deteriorated Credit Quality	2,451	803
Construction Loan Payable
Provision for Loan Losses Expensed	142	196	1
Allowance for Loan and Lease Losses, Write-offs	(9)	0	0
Allowance for Doubtful Accounts Receivable, Recoveries	0	0	0
Construction Loan Payable \| Beginning of period
Allowance for Loan Losses	964	1,097	964
Construction Loan Payable \| End of period
Allowance for Loan Losses	1,097	1,293	965
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,097	1,293	965
Financing Receivables Allowance for Credit Losses Acquired with Deteriorated Credit Quality	0	0	0
Financing Receivable, Individually Evaluated for Impairment	0	0
Financing Receivable, Collectively Evaluated for Impairment	64,888	71,194
Financing Receivables Acquired with Deteriorated Credit Quality	1,297	1,297
Residential Real Estate
Provision for Loan Losses Expensed	184	122	93
Allowance for Loan and Lease Losses, Write-offs	(190)	0	(23)
Allowance for Doubtful Accounts Receivable, Recoveries	2	1	0
Residential Real Estate \| Beginning of period
Allowance for Loan Losses	3,230	3,226	3,230
Residential Real Estate \| End of period
Allowance for Loan Losses	3,226	3,349	3,300
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	3,226	3,349	3,300
Financing Receivables Allowance for Credit Losses Acquired with Deteriorated Credit Quality	0	0	0
Financing Receivable, Individually Evaluated for Impairment	0	0
Financing Receivable, Collectively Evaluated for Impairment	447,706	452,170
Financing Receivables Acquired with Deteriorated Credit Quality	3,213	1,850
Commercial Real Estate
Provision for Loan Losses Expensed	1,779	35	581
Allowance for Loan and Lease Losses, Write-offs	(56)	(95)	0
Allowance for Doubtful Accounts Receivable, Recoveries	2	0	0
Commercial Real Estate \| Beginning of period
Allowance for Loan Losses	7,068	8,793	7,068
Commercial Real Estate \| End of period
Allowance for Loan Losses	8,793	8,733	7,649
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	399	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	8,394	8,733	7,649
Financing Receivables Allowance for Credit Losses Acquired with Deteriorated Credit Quality	0	0	$ 0
Financing Receivable, Individually Evaluated for Impairment	660	0
Financing Receivable, Collectively Evaluated for Impairment	696,377	721,234
Financing Receivables Acquired with Deteriorated Credit Quality	$ 7,610	$ 6,848

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Represents the monetary amount of Financing Receivables Acquired with Deteriorated Credit Quality, during the indicated time period.

+ References

No definition available.

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Represents the monetary amount of Financing Receivables Allowance for Credit Losses Acquired with Deteriorated Credit Quality, during the indicated time period.

+ References

No definition available.

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- Definition

Amount of recoveries of receivables doubtful of collection that were previously charged off.

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- Definition

Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.7(d))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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The balance of financing receivables that were collectively evaluated for impairment.

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- Definition

Amount of expense related to loss from loan transactions.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 220
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.11)
-URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260

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