DERIVATIVE INSTRUMENTS - CREDIT RISK EXPOSURE (Details) $ in Thousands |
9 Months Ended |
|---|---|
|
Jun. 30, 2026
USD ($)
| |
| Credit Risk Exposure [Line Items] | |
| Gross Credit Exposure | $ 142,912 |
| Investment grade | |
| Credit Risk Exposure [Line Items] | |
| Gross Credit Exposure | 96,741 |
| Noninvestment grade | |
| Credit Risk Exposure [Line Items] | |
| Gross Credit Exposure | 14,171 |
| Internally rated investment grade | |
| Credit Risk Exposure [Line Items] | |
| Gross Credit Exposure | 13,751 |
| Internally rated noninvestment grade | |
| Credit Risk Exposure [Line Items] | |
| Gross Credit Exposure | $ 18,249 |