Goodwill and Intangible Assets - (Details) - USD ($)	3 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Goodwill And Intangible Assets Disclosure [Abstract]
Impairment losses in connection with the goodwill	$ 0	$ 0
Impairment losses in connection with the intangible assets	$ 0	$ 0
Effect on future cash flows, Description	We considered potential triggering events and determined there were none during the three months ended December 31, 2021.
Goodwill, decreased from effects of foreign currency exchange rates	$ 900,000