DERIVATIVE INSTRUMENTS - CREDIT RISK EXPOSURE (Details) $ in Thousands	3 Months Ended
	Dec. 31, 2025 USD ($)
Credit Risk Exposure [Line Items]
Gross Credit Exposure	$ 208,901
Investment grade
Credit Risk Exposure [Line Items]
Gross Credit Exposure	117,608
Noninvestment grade
Credit Risk Exposure [Line Items]
Gross Credit Exposure	37,430
Internally rated investment grade
Credit Risk Exposure [Line Items]
Gross Credit Exposure	17,668
Internally rated noninvestment grade
Credit Risk Exposure [Line Items]
Gross Credit Exposure	$ 36,195