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FAIR VALUE DISCLOSURES - Schedule of Assets Measured at Fair Value on a Recurring Basis (Details) - Fair Value, Recurring [Member] - USD ($) $ in Thousands	Jun. 30, 2025	Sep. 30, 2024
Obligations of U.S. government agencies:
Corporate securities	$ 6,646	$ 4,021
Total securities available for sale	21,604	15,616
Derivative assets	977	1,405
Total assets	22,581	17,021
Liabilities:
Derivative liabilities	977	1,405
Total liabilities	977	1,405
Level 1 [Member]
Obligations of U.S. government agencies:
Corporate securities
Total securities available for sale
Derivative assets
Total assets
Liabilities:
Derivative liabilities
Total liabilities
Level 2 [Member]
Obligations of U.S. government agencies:
Corporate securities	6,646	4,021
Total securities available for sale	21,604	15,616
Derivative assets	977	1,405
Total assets	22,581	17,021
Liabilities:
Derivative liabilities	977	1,405
Total liabilities	977	1,405
Level 3 [Member]
Obligations of U.S. government agencies:
Corporate securities
Total securities available for sale
Derivative assets
Total assets
Liabilities:
Derivative liabilities
Total liabilities
Obligations of U.S. government enterprises Mortgage-backed securities [Member]
Obligations of U.S. government agencies:
Mortgage-backed securities - residential	82	89
Obligations of U.S. government enterprises Mortgage-backed securities [Member] | Level 1 [Member]
Obligations of U.S. government agencies:
Mortgage-backed securities - residential
Obligations of U.S. government enterprises Mortgage-backed securities [Member] | Level 2 [Member]
Obligations of U.S. government agencies:
Mortgage-backed securities - residential	82	89
Obligations of U.S. government enterprises Mortgage-backed securities [Member] | Level 3 [Member]
Obligations of U.S. government agencies:
Mortgage-backed securities - residential
Obligations of U.S. government-sponsored enterprises Mortgage-backed securities-residential [Member]
Obligations of U.S. government agencies:
Mortgage-backed securities - residential	14,876	11,506
Obligations of U.S. government-sponsored enterprises Mortgage-backed securities-residential [Member] | Level 1 [Member]
Obligations of U.S. government agencies:
Mortgage-backed securities - residential
Obligations of U.S. government-sponsored enterprises Mortgage-backed securities-residential [Member] | Level 2 [Member]
Obligations of U.S. government agencies:
Mortgage-backed securities - residential	14,876	11,506
Obligations of U.S. government-sponsored enterprises Mortgage-backed securities-residential [Member] | Level 3 [Member]
Obligations of U.S. government agencies:
Mortgage-backed securities - residential

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