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IMPAIRMENT OF INVESTMENT SECURITIES (Schedule of Gross Unrealized Losses and Fair Value for Both Available For Sale and Held To Maturity Securities) (Details) $ in Thousands | Mar. 31, 2021 USD ($) N | Sep. 30, 2020 USD ($) N
--- | --- | ---
Schedule of Held-to-maturity Securities [Line Items] |  |
Number of Securities | N | 26 | 9
Less Than 12 Months, Fair Value | $ 34,659 | $ 5,592
Less Than 12 Months, Unrealized Losses | (821) | (24)
12 Months Or Greater, Fair Value | 4,212 | 4,396
12 Months Or Greater, Unrealized Losses | (233) | (235)
Total, Fair Value | 38,871 | 9,988
Total, Unrealized Losses | $ (1,054) | $ (259)
Obligations of U.S. government agencies Mortgage backed securities - residential [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Number of Securities | N | 3 | 2
Less Than 12 Months, Fair Value | $ 651 |
Less Than 12 Months, Unrealized Losses | (2) |
12 Months Or Greater, Fair Value | 255 | 284
12 Months Or Greater, Unrealized Losses | (31) | (33)
Total, Fair Value | 906 | 284
Total, Unrealized Losses | $ (33) | $ (33)
Obligations of U.S. government agencies Mortgage backed securities -commercial [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Number of Securities | N | 1 | 1
Less Than 12 Months, Fair Value |  |
Less Than 12 Months, Unrealized Losses |  |
12 Months Or Greater, Fair Value | 739 | 775
12 Months Or Greater, Unrealized Losses |  |
Total, Fair Value | 739 | 775
Total, Unrealized Losses |  |
Obligations of U.S. government-sponsored enterprises Mortgage-backed securities-residential [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Number of Securities | N | 14 | 2
Less Than 12 Months, Fair Value | $ 21,776 | $ 2,854
Less Than 12 Months, Unrealized Losses | (553) | (3)
12 Months Or Greater, Fair Value | 414 | 533
12 Months Or Greater, Unrealized Losses | (6) | (6)
Total, Fair Value | 22,190 | 3,387
Total, Unrealized Losses | $ (559) | $ (9)
Obligations of U.S. government-sponsored enterprises Debt securities [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Number of Securities | N | 7 | 2
Less Than 12 Months, Fair Value | $ 12,232 | $ 2,484
Less Than 12 Months, Unrealized Losses | (266) | (16)
12 Months Or Greater, Fair Value |  |
12 Months Or Greater, Unrealized Losses |  |
Total, Fair Value | 12,232 | 2,484
Total, Unrealized Losses | $ (266) | $ (16)
Corporate securities [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Number of Securities | N | 1 | 1
Less Than 12 Months, Fair Value |  |
Less Than 12 Months, Unrealized Losses |  |
12 Months Or Greater, Fair Value | 2,804 | 2,804
12 Months Or Greater, Unrealized Losses | (196) | (196)
Total, Fair Value | 2,804 | 2,804
Total, Unrealized Losses | $ (196) | $ (196)
Private label mortgage-backed securities residential [Member] |  |
Schedule of Held-to-maturity Securities [Line Items] |  |
Number of Securities | N |  | 1
Less Than 12 Months, Fair Value |  | $ 254
Less Than 12 Months, Unrealized Losses |  | (5)
12 Months Or Greater, Fair Value |  |
12 Months Or Greater, Unrealized Losses |  |
Total, Fair Value |  | 254
Total, Unrealized Losses |  | $ (5)

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- Definition This item represents the aggregate fair value of investments in debt and equity securities categorized as available for sale and held-to-maturity securities that have been in a continuous unrealized loss position for less than twelve months. + References No definition available. + Details
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