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INVESTMENT SECURITIES (Schedule of Maturities of the Debt Securities and the Mortgage-Backed Securities Held-To-Maturity) (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Sep. 30, 2020
--- | --- | ---
Held to Maturity Securities, Amortized Cost |  |  |
Due within 1 year |  |  |
Due after 1 but within 5 years |  | 9,497 |
Due after 5 but within 10 years |  | 7,532 |
Due after 10 years |  | 516 |
Total debt securities |  | 17,545 |
Mortgage backed securities, Residential | [1] | 39,412 |
Mortgage backed securities, Commercial | [2] | 703 |
Amortized cost |  | 57,660 | $ 30,443
Held to Maturity Securities, Fair Value |  |  |
Due within 1 year |  |  |
Due after 1 but within 5 years |  | 9,249 |
Due after 5 but within 10 years |  | 7,405 |
Due after 10 years |  | 505 |
Total debt securities |  | 17,159 |
Mortgage Backed Securities, Residential | [1] | 39,420 |
Mortgage Backed Securities, Commercial | [2] | 703 |
Fair value |  | $ 57,282 | $ 30,899
[1] | Held-to-maturity mortgage-backed securities – residential include an amortized cost of $574,000 and a fair value of $549,000 for obligations of U.S. government agencies issued by the Government National Mortgage Association and obligations of U.S. government-sponsored enterprises issued by Federal National Mortgage Association and Federal Home Loan Mortgage Corporation which had an amortized cost of $38.6 million and a fair value of $38.6 million. Also included are mortgage backed securities issued by non-U.S. government agencies and government-sponsored enterprises with an amortized cost of $242,000 and a fair value of $248,000.
[2] | Held-to-maturity mortgage-backed securities – commercial include an amortized cost of $703,000 and a fair value of $703,000 for obligations of U.S. government agencies issued by the Small Business Administration.

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