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LOANS RECEIVABLE, NET AND RELATED ALLOWANCE FOR CREDIT LOSSES - Schedule of Non-Performing Collateral Dependent Loans (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Jun. 30, 2025	Sep. 30, 2024
Schedule of Non-Performing Collateral Dependent Loans [Abstract]
One- to four-family residential	$ 632	$ 116
Commercial real estate	288	116
Total	$ 920	$ 232

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- References

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- Definition

Interest and fee income related to commercial loans including industrial and agricultural, real estate (commercial and residential, construction and development), trade financing, and lease financing.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1

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Interest and fee income from commercial and residential real estate loans.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1

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Interest and fee income generated from loans secured by commercial properties. Examples of properties commonly securing commercial real estate loans may include office buildings, apartment buildings, shopping centers, industrial property, and hotels.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-04(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478524/942-220-S99-1

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