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INVESTMENT SECURITIES (Schedule of Amortized Cost and Fair Value of Securities Available-For-Sale) (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Sep. 30, 2020
--- | --- | ---
Available for Sale Securities, Amortized Cost |  |  |
Due within 1 year |  |  |
Due after 1 but within 5 years |  |  |
Due after 5 but within 10 years |  |  |
Due after 10 years |  |  |
Total debt securities |  |  |
Mortgage-backed securities, Residential | [1] | 13,101 |
Mortgage-backed securities, Commercial |  |  |
Amortized Cost |  | 13,101 | $ 14,442
Available for Sale Securities, Fair Value |  |  |
Due within 1 year |  |  |
Due after 1 but within 5 years |  |  |
Due after 5 but within 10 years |  |  |
Due after 10 years |  |  |
Total debt securities |  |  |
Mortgage Backed Securities, Residential | [1] | 12,927 |
Mortgage Backed Securities, Commercial |  |  |
Fair Value |  | $ 12,927 | $ 14,561
[1] | Available-for-sale mortgage-backed securities – residential include an amortized cost of $179,000 and a fair value of $186,000 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 $12.9 million and a fair value of $12.7 million. There were no residential mortgage backed securities issued by non-U.S. government agencies and government-sponsored enterprises.

X
- Definition Amount of mortgage-backed commercial debt securities at cost, net of adjustments, which include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments. + References No definition available. + Details
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- Definition Amount of mortgage-backed residential debt securities at cost, net of adjustments, which include, but are not limited to, accretion, amortization, collection of cash, previous other-than-temporary impairments (OTTI) recognized in earnings (less any cumulative-effect adjustments, as defined) and fair value hedge accounting adjustments. + References No definition available. + Details
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