For commercial real estate loans, the minimum acceptable debt service coverage ratio.

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- Definition

Loan To Value Ratio For Securing Commercial Real Estate Loans Maximum

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- Definition

For commercial construction loans, the maximum acceptable loan to value ratio

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US National Unemployment Rate

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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.

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Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=124255206&loc=SL82895884-210446

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Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-Subparagraph (b)
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- Definition

Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 35
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Carrying amount as of the balance sheet date of land and buildings obtained through foreclosure proceedings or defeasance in full or partial satisfaction of a debt arrangement.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11
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Loans Receivable And Allowance For Credit Losses (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2023	Sep. 30, 2021
Loans Receivable [Line Items]
Loan-to-value ratio securing commercial real estate loans, maximum	85.00%		85.00%
Debt service coverage ratio for commercial real estate loans, minimum	1.15		1.15
Loan-to-value ratio securing commercial construction loans, maximum	80.00%		80.00%
Loans receivable	$ 7,236,196		$ 7,236,196			$ 7,081,142
Amortized cost of loans in process of foreclosure	1,700		1,700			799
Carrying value of residential OREO	258		258			170
Provision for credit losses	796	$ (2,725)	(3,760)	$ (5,560)
Forecast [Member]
Loans Receivable [Line Items]
Unemployment rate					4.30%
Doubtful [Member]
Loans Receivable [Line Items]
Loans receivable	$ 0		$ 0			$ 0