LEASES - Additional information related to leases (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$ 1,601	$ 1,503
Operating cash flows from finance leases	236	267
Financing cash flows from finance leases	327	361
Right-of-use assets obtained in exchange for lease liabilities
Operating leases	$ 13,964	$ 901
Weighted-average remaining lease term:
Operating leases	11 years 7 months 6 days	9 years 10 months 24 days
Finance leases	11 years 8 months 12 days	12 years 6 months
Weighted-average discount rate:
Operating leases	4.36%	3.12%
Finance leases	4.60%	4.58%