Property and Equipment Net - Components of Property and Equipment, Net by Geography (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Sep. 30, 2021
Property Plant And Equipment [Line Items]
Total long-lived assets	$ 37,707	$ 31,505
United States
Property Plant And Equipment [Line Items]
Total long-lived assets	28,779	22,550
Canada
Property Plant And Equipment [Line Items]
Total long-lived assets	2,252	2,850
Germany
Property Plant And Equipment [Line Items]
Total long-lived assets	1,866	1,973
Other countries
Property Plant And Equipment [Line Items]
Total long-lived assets	$ 4,810	$ 4,132