Intangible Assets and Goodwill - Schedule of Weighted Average Remaining Useful Lives by Definite-lived Intangible Asset (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Jun. 30, 2023	Sep. 30, 2022
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 15,691	$ 14,251
Accumulated Amortization	(9,277)	(8,311)
Net Book Value	$ 6,414	$ 5,940
Technology
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Life (in years)	2 years 8 months 12 days	5 years 4 months 24 days
Gross Carrying Amount	$ 11,001	$ 10,991
Accumulated Amortization	(8,750)	(8,261)
Net Book Value	$ 2,251	$ 2,730
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted Average Remaining Life (in years)	3 years 9 months 18 days	4 years 7 months 6 days
Gross Carrying Amount	$ 4,690	$ 3,260
Accumulated Amortization	(527)	(50)
Net Book Value	$ 4,163	$ 3,210