Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Sep. 30, 2021
Income Tax Disclosure [Abstract]
Income tax benefit	$ 447	$ 9,384	$ 447	$ 19,788
Income tax receivable	$ 28,728		$ 28,728		$ 37,255