Investment in Derivative Instruments - Income Statement Classification (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Realized Gain (Loss)	$ 2,185	$ 2,619
Unrealized Gain (Loss)	0	(226)
Total Gain (Loss)	2,185	2,393
Cost of revenues
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Realized Gain (Loss)	0	(19)
Unrealized Gain (Loss)	0	(226)
Total Gain (Loss)	0	(245)
Interest expense, net
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Realized Gain (Loss)	2,185	2,638
Unrealized Gain (Loss)	0	0
Total Gain (Loss)	$ 2,185	$ 2,638