Income Taxes - Schedule of Components of Income Tax Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2020
Current:
Federal	$ 557	$ 911	$ 945
State	403	472	1,186
Foreign	7	73	66
Current income tax provision	967	1,456	2,197
Deferred:
Federal	(154)	(1,062)	1,045
State	(41)	(30)	(91)
Foreign	(4,666)	97	519
Deferred income tax provision	(4,861)	(995)	1,473
Total income tax provision (benefit)	$ (3,894)	$ 461	$ 3,670