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, 2017	Sep. 30, 2017	Sep. 30, 2016
Residential Mortgage
Provision for Loan Losses Expensed		$ 93	$ 0
Allowance for Loan and Lease Losses, Write-offs		(23)	(97)
Allowance for Doubtful Accounts Receivable, Recoveries		0	3
Residential Mortgage \| Beginning of period
Allowance for loan losses	$ 3,230	3,230	3,247
Residential Mortgage \| End of period
Allowance for loan losses		3,300	3,153
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	3,230	3,300
Financing Receivables Allowance for Credit Losses Acquired with Deteriorated Credit Quality	0	0
Financing Receivable, Individually Evaluated for Impairment	0	0	0
Financing Receivable, Collectively Evaluated for Impairment	438,981	446,317	3,153
Financing Receivables Acquired with Deteriorated Credit Quality	3,482	3,454	0
Construction Loan Payable
Provision for Loan Losses Expensed		1	30
Allowance for Loan and Lease Losses, Write-offs		0	0
Allowance for Doubtful Accounts Receivable, Recoveries		0	0
Construction Loan Payable \| Beginning of period
Allowance for loan losses	964	964	1,091
Construction Loan Payable \| End of period
Allowance for loan losses		965	1,121
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	964	965
Financing Receivables Allowance for Credit Losses Acquired with Deteriorated Credit Quality	0	0
Financing Receivable, Individually Evaluated for Impairment	0	0	0
Financing Receivable, Collectively Evaluated for Impairment	54,704	54,337	1,121
Financing Receivables Acquired with Deteriorated Credit Quality	1,338	1,329	0
Commercial Real Estate
Provision for Loan Losses Expensed		581	659
Allowance for Loan and Lease Losses, Write-offs		0	0
Allowance for Doubtful Accounts Receivable, Recoveries		0	0
Commercial Real Estate \| Beginning of period
Allowance for loan losses	7,068	7,068	5,711
Commercial Real Estate \| End of period
Allowance for loan losses		7,649	6,370
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	7,068	7,649
Financing Receivables Allowance for Credit Losses Acquired with Deteriorated Credit Quality	0	0
Financing Receivable, Individually Evaluated for Impairment	0	0	0
Financing Receivable, Collectively Evaluated for Impairment	592,427	623,676	6,370
Financing Receivables Acquired with Deteriorated Credit Quality	11,495	11,059	0
Consumer Loan
Provision for Loan Losses Expensed		84	0
Allowance for Loan and Lease Losses, Write-offs		(29)	(4)
Allowance for Doubtful Accounts Receivable, Recoveries		3	4
Consumer Loan \| Beginning of period
Allowance for loan losses	757	757	738
Consumer Loan \| End of period
Allowance for loan losses		815	738
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	757	815
Financing Receivables Allowance for Credit Losses Acquired with Deteriorated Credit Quality	0	0
Financing Receivable, Individually Evaluated for Impairment	0	0	0
Financing Receivable, Collectively Evaluated for Impairment	63,651	60,495	738
Financing Receivables Acquired with Deteriorated Credit Quality	0	0	0
Commercial Loan
Provision for Loan Losses Expensed		109	236
Allowance for Loan and Lease Losses, Write-offs		0	(168)
Allowance for Doubtful Accounts Receivable, Recoveries		0	2
Commercial Loan \| Beginning of period
Allowance for loan losses	3,519	3,519	3,004
Commercial Loan \| End of period
Allowance for loan losses		3,628	3,074
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	3,519	3,628
Financing Receivables Allowance for Credit Losses Acquired with Deteriorated Credit Quality	0	0
Financing Receivable, Individually Evaluated for Impairment	0	0	0
Financing Receivable, Collectively Evaluated for Impairment	243,369	261,460	3,074
Financing Receivables Acquired with Deteriorated Credit Quality	3,815	3,786	0
Total loans
Provision for Loan Losses Expensed		868	925
Allowance for Loan and Lease Losses, Write-offs		(52)	(269)
Allowance for Doubtful Accounts Receivable, Recoveries		3	9
Total loans \| Beginning of period
Allowance for loan losses	15,538	15,538	13,791
Total loans \| End of period
Allowance for loan losses		16,357	14,456
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	15,538	16,357
Financing Receivables Allowance for Credit Losses Acquired with Deteriorated Credit Quality	0	0
Financing Receivable, Individually Evaluated for Impairment	0	0	0
Financing Receivable, Collectively Evaluated for Impairment	1,393,132	1,446,285	14,456
Financing Receivables Acquired with Deteriorated Credit Quality	$ 20,130	$ 19,628	$ 0

Represents the monetary amount of Allowance for loan losses, during the indicated time period.

No definition available.

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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.

+ References

No definition available.

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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://www.xbrl.org/2003/role/presentationRef
-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://www.xbrl.org/2003/role/presentationRef
-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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- Definition

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

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- Definition

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- Definition

Amount of expense related to loss from loan transactions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 225
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04.11)
-URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882

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