Income Taxes - Components of (Loss) Income Before Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Income Tax Disclosure [Abstract]
Domestic	$ (15,919)	$ (3,009)	$ (9,866)	$ 14,199
Foreign	(6,464)	5,978	(13,425)	8,113
(Loss) income before income taxes	$ (22,383)	$ 2,969	$ (23,291)	$ 22,312