Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

Amortized cost, before allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 7: http://www.xbrl.org/2003/role/exampleRef
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Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
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Reference 11: http://www.xbrl.org/2003/role/disclosureRef
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Reference 12: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Note 3 - Loans and Allowance for Credit Losses - Collateral Dependent Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Sep. 30, 2023	Jun. 30, 2023	Jun. 30, 2022
Recorded investment	$ 759,114		$ 711,960
Financing Receivable, Collateral Dependent Loans With An Allowance for Credit Loss	7,930		7,724	$ 7,160
Real Estate [Member]
Recorded investment	189
Other Pledged Collateral [Member]
Recorded investment	257
Collateral Pledged [Member]
Financing Receivable, Collateral Dependent Loans With An Allowance for Credit Loss	67
Commercial Portfolio Segment [Member]
Recorded investment	127,811	$ 127,811	112,826
Financing Receivable, Collateral Dependent Loans With An Allowance for Credit Loss			1,308	960
Commercial Portfolio Segment [Member] \| Real Estate [Member]
Recorded investment	0
Commercial Portfolio Segment [Member] \| Other Pledged Collateral [Member]
Recorded investment	257
Commercial Portfolio Segment [Member] \| Collateral Pledged [Member]
Financing Receivable, Collateral Dependent Loans With An Allowance for Credit Loss	67
Commercial Real Estate Portfolio Segment [Member]
Recorded investment			342,701
Financing Receivable, Collateral Dependent Loans With An Allowance for Credit Loss	3,650		$ 3,943	$ 3,927
Commercial Real Estate Portfolio Segment [Member] \| Real Estate [Member]
Recorded investment	189
Commercial Real Estate Portfolio Segment [Member] \| Other Pledged Collateral [Member]
Recorded investment	0
Commercial Real Estate Portfolio Segment [Member] \| Collateral Pledged [Member]
Financing Receivable, Collateral Dependent Loans With An Allowance for Credit Loss	$ 0