Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ 10,979	$ (16,109)	$ 14,196	$ (8,563)
Effective tax rate	24.10%	9.70%	18.60%	6.80%