Represents the number of purchased credit impaired loans acquired.

No definition available.

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Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount of direct write-downs of accounts receivable charged against the allowance.

+ References

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-SubTopic 20
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The recorded balance, net of any applicable reductions (for example, unamortized accretable yield and allowance for loan losses). This relates to loans not accounted for debt securities with evidence of deterioration of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

+ References

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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

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-Topic 210
-SubTopic 10
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	us-gaap_CreditLossStatusAxis=us-gaap_FinancialAssetAcquiredWithCreditDeteriorationMember
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- Details

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- Details

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Loans - Carrying Amount for Purchased Credit Impaired Loans (Details) $ in Thousands	12 Months Ended
	Sep. 30, 2023 USD ($) loan	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)
Carrying Amount for Purchased Credit Impaired Loans [Abstract]
Allowance for loan losses	$ 14,686	$ 12,844	$ 8,552
Purchased credit impaired loans reflect credit deterioration
Carrying Amount for Purchased Credit Impaired Loans [Abstract]
Total recorded investment	128	1,231
Commercial real estate and C&I loans \| Purchased credit impaired loans reflect credit deterioration
Carrying Amount for Purchased Credit Impaired Loans [Abstract]
Allowance for loan losses	$ 0	50
Number of purchased credit impaired loans acquired \| loan	2
Charged off to the allowance for loan losses	$ 457
Commercial Real Estate
Carrying Amount for Purchased Credit Impaired Loans [Abstract]
Allowance for loan losses	3,197	3,707	1,884
Commercial Real Estate \| Purchased credit impaired loans reflect credit deterioration
Carrying Amount for Purchased Credit Impaired Loans [Abstract]
Total recorded investment		602
Commercial and Industrial
Carrying Amount for Purchased Credit Impaired Loans [Abstract]
Allowance for loan losses	2,368	761	$ 79
Commercial and Industrial \| Purchased credit impaired loans reflect credit deterioration
Carrying Amount for Purchased Credit Impaired Loans [Abstract]
Total recorded investment	$ 128	$ 629