DERIVATIVE INSTRUMENTS - CREDIT RISK EXPOSURE (Details) $ in Thousands	6 Months Ended
Mar. 31, 2024 USD ($)
Credit Risk Exposure [Line Items]
Gross Credit Exposure	$ 164,749
Investment grade
Credit Risk Exposure [Line Items]
Gross Credit Exposure	113,150
Noninvestment grade
Credit Risk Exposure [Line Items]
Gross Credit Exposure	9,134
Internally rated investment grade
Credit Risk Exposure [Line Items]
Gross Credit Exposure	19,988
Internally rated noninvestment grade
Credit Risk Exposure [Line Items]
Gross Credit Exposure	$ 22,477

Maximum amount of loss due to credit risk that, based on the gross fair value of the financial instrument, the entity would incur if parties to the financial instruments that make up the concentration failed completely to perform according to the terms of the contracts and the collateral or other security, if any, for the amount due proved to be of no value to the entity.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 21
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482907/825-10-50-21

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Period Type:	duration