Goodwill and Intangible Assets - Changes in Goodwill (Details) $ in Thousands	6 Months Ended
Mar. 31, 2022 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 63,096
Acquisition of HooYu	75,691
Foreign currency effect on goodwill	(1,898)
Ending balance	$ 136,889

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

+ References

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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