Derivatives and Hedging Activities - Schedule of Impact of Derivative Instruments on AOCI (Details) - Cash flow hedging - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
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| Derivative [Line Items] | ||||
| Total pre-tax gain/(loss) recognized in AOCI | $ 7,068 | $ (14,110) | $ 5,216 | $ (10,716) |
| Pay fixed/receive floating swaps on borrowings cash flow hedges | ||||
| Derivative [Line Items] | ||||
| Pay fixed/receive floating swaps on borrowings cash flow hedges | 7,068 | (14,040) | 5,216 | (10,716) |
| Reclassification adjustment of net (gain)/loss included in net income | $ 0 | $ (70) | $ 0 | $ 0 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount, before tax and after reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount, before tax and reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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