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FAIR VALUE DISCLOSURES - Schedule of Assets Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Sep. 30, 2024
Obligations of U.S. government agencies:
Corporate securities	$ 4,099	$ 4,021
Total securities available for sale	19,345	15,616
Derivative assets	949	1,405
Total assets	20,294	17,021
Liabilities:
Derivative liabilities	949	1,405
Total liabilities	949	1,405
Obligations of U.S. government enterprises Mortgage-backed securities [Member]
Obligations of U.S. government agencies:
Mortgage-backed securities - residential	83	89
Obligations of U.S. government-sponsored enterprises Mortgage-backed securities-residential [Member]
Obligations of U.S. government agencies:
Mortgage-backed securities - residential	15,163	11,506
Fair Value, Recurring [Member] | 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
Fair Value, Recurring [Member] | Level 2 [Member]
Obligations of U.S. government agencies:
Corporate securities	4,099	4,021
Total securities available for sale	19,345	15,616
Derivative assets	949	1,405
Total assets	20,294	17,021
Liabilities:
Derivative liabilities	949	1,405
Total liabilities	949	1,405
Fair Value, Recurring [Member] | 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
Fair Value, Recurring [Member] | Obligations of U.S. government enterprises Mortgage-backed securities [Member] | Level 1 [Member]
Obligations of U.S. government agencies:
Mortgage-backed securities - residential
Fair Value, Recurring [Member] | Obligations of U.S. government enterprises Mortgage-backed securities [Member] | Level 2 [Member]
Obligations of U.S. government agencies:
Mortgage-backed securities - residential	83	89
Fair Value, Recurring [Member] | Obligations of U.S. government enterprises Mortgage-backed securities [Member] | Level 3 [Member]
Obligations of U.S. government agencies:
Mortgage-backed securities - residential
Fair Value, Recurring [Member] | 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
Fair Value, Recurring [Member] | 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	15,163	11,506
Fair Value, Recurring [Member] | 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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