Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Line Items]
U.S. federal statutory rates	21.00%	21.00%
Effective income tax rate	1.50%	(81.70%)
Provision for (benefit from) income taxes	$ 299	$ (9,415)
Change in benefit from income taxes	9,700
Netherlands
Income Tax Disclosure [Line Items]
Provision for (benefit from) income taxes		$ (15,800)
Tax benefit partially offset	$ (3,500)