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Loans (Troubled debt restructurings, Rolling Twelve Months) (Details)	12 Months Ended
	Sep. 30, 2020 USD ($) number	Sep. 30, 2019 USD ($) number
Mortgage Loan [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | number	17	32
Recored Investment | $	$ 2,394,000	$ 4,065,000
Commercial Loan [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | number	1	2
Recored Investment | $	$ 84,000	$ 350,000
Consumer Loan [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | number	50	61
Recored Investment | $	$ 627,000	$ 710,000
Auto [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts | number	0	3
Recored Investment | $	$ 0	$ 51,000

X

- Definition

[2012] Number of financing receivables that have been modified by troubled debt restructurings for the past twelve months.

+ References

No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

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
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=118936363&loc=SL6953676-111524

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=118939409&loc=d3e18845-111554

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