Income Taxes - Schedule of Components of (Loss) Income Before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Income Tax Disclosure [Abstract]
Domestic	$ 29,973	$ (11,825)
Foreign	88	(6,792)
Income (loss) before income taxes	$ 30,061	$ (18,617)