Note 4: Loans and Allowance for Loan Losses: Performing Loans Classified as Troubled Debt Restructuring Loans (Details) $ in Thousands	3 Months Ended	12 Months Ended
Sep. 30, 2020 USD ($)	Sep. 30, 2019	Jun. 30, 2020 USD ($)
Consumer Loan
Number of modifications	0	0
Commercial Loan
Number of modifications	1	0
Construction Loan Payable
Number of modifications	0	0
Residential Real Estate
Number of modifications	1	0
Commercial Real Estate
Number of modifications	2	0
Performing Loans
Number of modifications	18		20
Recorded Investment	$ 8,148
Recorded Investment			$ 8,580
Performing Loans \| Consumer Loan
Number of modifications	0		0
Recorded Investment	$ 0
Recorded Investment			$ 0
Performing Loans \| Commercial Loan
Number of modifications	8		7
Recorded Investment	$ 3,229
Recorded Investment			$ 3,245
Performing Loans \| Construction Loan Payable
Number of modifications	0		0
Recorded Investment	$ 0
Recorded Investment			$ 0
Performing Loans \| Residential Real Estate
Number of modifications	3		3
Recorded Investment	$ 1,015
Recorded Investment			$ 791
Performing Loans \| Commercial Real Estate
Number of modifications	7		10
Recorded Investment	$ 3,904
Recorded Investment			$ 4,544
Total Loans
Number of modifications	4	0

Number of financing receivables that have been modified by troubled debt restructurings.

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Amount, after troubled debt restructuring, of modified financing receivable.

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Amount of financing receivable modified as troubled debt restructuring.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
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-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524

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-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554

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