Supporting Financial Information - Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Interest expense	$ 3,685	$ 4,016
Interest income	(9)	0
Amortization of deferred financing costs	457	642
Interest expense	$ 4,133	$ 4,658