Income Taxes - Additional Information (Details) - USD ($)	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Income Tax Disclosure [Abstract]
Effective income tax rate			(82.80%)	(6.00%)
U.S. federal statutory rate			21.00%
Income tax (benefit) expense	$ 211,000	$ 20,000	$ (2,739,000)	$ 840,000