LOANS AND ALLOWANCE FOR CREDIT LOSSES - TDRs recorded investment (Details) - USD ($)	Dec. 31, 2022	Sep. 30, 2022
Financing Receivable, Modifications, Recorded Investment	$ 7,480,000	$ 7,589,000
Non-accrual TDRs
Financing Receivable, Modifications, Recorded Investment	1,324,000
Accruing TDRs
Financing Receivable, Modifications, Recorded Investment	$ 6,156,000