INCOME TAXES - Components of net deferred tax asset (liability), by balance sheet account (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Sep. 30, 2021
Income Tax Contingency [Line Items]
Net deferred liability	$ (137,101)	$ (48,106)
Other assets
Income Tax Contingency [Line Items]
Net deferred asset	339	323
Other liabilities
Income Tax Contingency [Line Items]
Net deferred liability	(139,417)	(49,289)
Liabilities of discontinued operations
Income Tax Contingency [Line Items]
Net deferred asset	$ 1,977	$ 860