Summary of Operations and Significant Accounting Policies - Contract Liabilities - Additional Information (Details) - USD ($) $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
Sep. 30, 2022 |
Sep. 30, 2021 |
Sep. 30, 2020 |
Sep. 30, 2019 |
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| Organization, Consolidation and Presentation of Financial Statements [Abstract] | ||||
| Contract liabilities | $ 7,231 | $ 1,624 | $ 1,200 | $ 1,400 |
| Contract revenue | $ 1,600 | $ 1,200 | $ 1,400 | |
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- References No definition available.
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