SHORT-TERM AND LONG-TERM BORROWINGS - Long Term Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Sep. 30, 2022
Debt Instrument [Line Items]
Trust preferred securities	$ 13,661	$ 13,661
Subordinated debentures, net of issuance costs	19,591	20,000
Other long-term borrowings	621	2,367
Long-term borrowings	33,873	36,028
Discounted leases	600	2,400
Maturities of Long-term Debt
2024	0
2025	621
2026	0
2027	0
2028	0
Thereafter	33,252
Total long-term borrowings	33,873	$ 36,028
Trust preferred securities
Debt Instrument [Line Items]
Long-term borrowings	13,661
Maturities of Long-term Debt
2024	0
2025	0
2026	0
2027	0
2028	0
Thereafter	13,661
Total long-term borrowings	13,661
Subordinated debentures
Debt Instrument [Line Items]
Long-term borrowings	19,591
Maturities of Long-term Debt
2024	0
2025	0
2026	0
2027	0
2028	0
Thereafter	19,591
Total long-term borrowings	19,591
Other long-term borrowings
Debt Instrument [Line Items]
Long-term borrowings	621
Maturities of Long-term Debt
2024	0
2025	621
2026	0
2027	0
2028	0
Thereafter	0
Total long-term borrowings	$ 621

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