Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Sep. 30, 2022
Income Tax Disclosure [Abstract]
Income tax expense (benefit)	$ (558)	$ 1,040	$ 4,136	$ (2,311)
Unrecognized tax benefits	4,582		4,582		$ 4,123
Decrease reasonably possible in next 12 months	3,213		3,213
Total penalties and interest accrued	$ 959		$ 959		$ 876