OPERATING LEASE RIGHT-OF-USE ASSETS AND LIABILITIES - Narrative (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Sep. 30, 2023
Leases [Abstract]
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Operating lease, right-of-use asset	$ 24,400	$ 26,900
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Accrued expenses and other liabilities	Accrued expenses and other liabilities
Operating lease liability	$ 26,022	$ 28,800