Stockholders' Equity - Schedule of Stock-based Compensation (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation	$ 12,355	$ 10,926	$ 24,827	$ 16,767
Cost of Connected Services
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation	175	197	371	343
Cost of Professional Services
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation	1,012	1,373	2,165	2,319
Research and Development
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation	4,088	4,146	8,542	6,141
Sales and Marketing
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation	1,522	1,422	3,182	844
General and Administrative
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation	5,558	3,788	10,567	3,120
Restructuring and Other Costs, Net
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation	$ 0	$ 0	$ 0	$ 4,000