INVESTMENTS IN EQUITY INVESTEES (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Sep. 30, 2023
Schedule of Equity Method Investments [Line Items]
Investments in equity method investees	$ 103,268	$ 104,134
Steckman Ridge
Schedule of Equity Method Investments [Line Items]
Ownership percentage	50.00%
Investments in equity method investees	$ 103,300	104,100
Steckman Ridge | Related Party
Schedule of Equity Method Investments [Line Items]
Total outstanding principal balance of loans	$ 70,400	$ 70,400