Summary of Significant Accounting Policies - Summary of Deferred Revenue Recognition (Details) $ in Thousands	12 Months Ended
Sep. 30, 2024 USD ($)
Deferred Revenue [Abstract]
Deferred revenue as of September 30, 2023	$ 21,047
Fixed revenue deferrals	3,633
Pass-through revenue deferrals	2,002
Previously deferred fixed revenue recognized	(12,653)
Previously deferred pass-through revenue recognized	(4,390)
Deferred revenue as of September 30, 2024	$ 9,639

Amount of deferred income excluding obligation to transfer product and service to customer for which consideration has been received or is receivable.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2B
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479432/944-30-50-2B

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 40
-Name Accounting Standards Codification
-Section 65
-Paragraph 2
-Subparagraph (g)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480016/944-40-65-2

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 25
-Paragraph 2
-SubTopic 10
-Topic 470
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481174/470-10-25-2

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant