INCOME TAXES - RESERVE FOR UNCERTAIN TAX BENEFITS (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at October 1,	$ 0	$ 4,930
Reversal of settled tax positions during the current fiscal period	0	(4,930)
Balance at period end	$ 0	$ 0