Income and Other Taxes - Schedule of (Loss) Income from Operations before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Income Tax Disclosure [Abstract]
Domestic	$ (22,510)	$ 25,744
Foreign	(1,962)	471
(Loss) income before income tax benefit (expense)	$ (24,472)	$ 26,215