Goodwill and Other Intangible Assets - Schedule of Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2021	Sep. 30, 2021
Goodwill And Other Intangible Assets [Line Items]
Goodwill	$ 5,072	$ 5,072
Total other intangible assets	12,583	12,583
Accumulated amortization	(5,779)	(5,333)
Other intangible assets, net	$ 6,804	7,250
Weighted-Average Remaining Useful Lives (in years)	8 years 2 months 12 days
Developed Technology
Goodwill And Other Intangible Assets [Line Items]
Total other intangible assets	$ 6,475	6,475
Weighted-Average Remaining Useful Lives (in years)	14 years 10 months 24 days
Customer Relationships
Goodwill And Other Intangible Assets [Line Items]
Total other intangible assets	$ 3,900	3,900
Weighted-Average Remaining Useful Lives (in years)	8 months 12 days
Trade Names
Goodwill And Other Intangible Assets [Line Items]
Total other intangible assets	$ 2,022	2,022
Weighted-Average Remaining Useful Lives (in years)	1 year 9 months 18 days
Non-compete Agreements
Goodwill And Other Intangible Assets [Line Items]
Total other intangible assets	$ 186	$ 186
Weighted-Average Remaining Useful Lives (in years)	8 months 12 days