LEASES - Maturities of operating and finance lease (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Sep. 30, 2021
Maturities of operating lease liabilities
2022 (remainder of fiscal year)	$ 3,230
2023	5,519
2024	4,658
2025	3,863
2026	3,207
Thereafter	7,144
Total minimum future lease payments	27,621
Less interest	(3,652)
Total operating lease liabilities	23,969	$ 8,513
Maturities of finance lease liabilities
2022 (remainder of fiscal year)	13
2023	21
2024	21
2025	8
2026	1
Total minimum future lease payments	64
Less interest	(4)
Total finance lease liabilities	$ 60	$ 63