v3.26.1

Derivatives and Hedging Activities - Schedule of Impact of Derivative Instruments on AOCI (Details) - Cash flow hedging - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Mar. 31, 2026	Mar. 31, 2025
Derivative [Line Items]
Total pre-tax gain/(loss) recognized in AOCI	$ 3,662	$ (18,205)	$ (1,852)	$ 3,395
Pay fixed/receive floating swaps on borrowings cash flow hedges
Derivative [Line Items]
Pay fixed/receive floating swaps on borrowings cash flow hedges	3,662	(18,270)	(1,852)	3,325
Reclassification adjustment of net (gain)/loss included in net income	$ 0	$ 65	$ 0	$ 70

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.

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Amount, before tax and after reclassification, of gain (loss) from derivative instrument designated and qualifying cash flow hedge included in assessment of hedge effectiveness.

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