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FAIR VALUE DISCLOSURES (Schedule of Assets Measured at Fair Value on a Recurring Basis) (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Sep. 30, 2020
Fair value measured on recurring basis:
Securities available for sale	$ 14,259	$ 14,561
Total Assets	758,779	753,997
Liabilities:
Total Liabilities	699,294	697,147
Obligations of U.S. government enterprises Mortgage-backed securities [Member]
Fair value measured on recurring basis:
Securities available for sale	253	364
Obligations of U.S. government-sponsored enterprises Debt securities [Member]
Fair value measured on recurring basis:
Securities available for sale		5,003
Fair Value, Measurements, Recurring [Member]
Fair value measured on recurring basis:
Securities available for sale	14,259	14,561
Derivative assets	186
Total Assets	14,445
Liabilities:
Derivative liabilities	186
Total Liabilities	186
Fair Value, Measurements, Recurring [Member] | Obligations of U.S. government enterprises Mortgage-backed securities [Member]
Fair value measured on recurring basis:
Securities available for sale	14,259	9,558
Fair Value, Measurements, Recurring [Member] | Obligations of U.S. government-sponsored enterprises Debt securities [Member]
Fair value measured on recurring basis:
Securities available for sale		5,003
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]
Fair value measured on recurring basis:
Securities available for sale
Derivative assets
Total Assets
Liabilities:
Derivative liabilities
Total Liabilities
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Obligations of U.S. government enterprises Mortgage-backed securities [Member]
Fair value measured on recurring basis:
Securities available for sale
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Obligations of U.S. government-sponsored enterprises Debt securities [Member]
Fair value measured on recurring basis:
Securities available for sale
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]
Fair value measured on recurring basis:
Securities available for sale	14,259	14,561
Derivative assets	186
Total Assets	14,445
Liabilities:
Derivative liabilities	186
Total Liabilities	186
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Obligations of U.S. government enterprises Mortgage-backed securities [Member]
Fair value measured on recurring basis:
Securities available for sale	14,259	9,558
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Obligations of U.S. government-sponsored enterprises Debt securities [Member]
Fair value measured on recurring basis:
Securities available for sale		5,003
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member]
Fair value measured on recurring basis:
Securities available for sale
Derivative assets
Total Assets
Liabilities:
Derivative liabilities
Total Liabilities
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Obligations of U.S. government enterprises Mortgage-backed securities [Member]
Fair value measured on recurring basis:
Securities available for sale
Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Obligations of U.S. government-sponsored enterprises Debt securities [Member]
Fair value measured on recurring basis:
Securities available for sale

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