| Leases - Additional Information (Details) - USD ($) $ in Thousands | 6 Months Ended | |
|---|---|---|
| Mar. 31, 2022 | Mar. 31, 2021 | |
| Operating Leased Assets [Line Items] | ||
| Weighted average remaining lease term | 8 years 4 months 13 days | |
| Weighted average discount rate | 6.45% | |
| Total cash payments | $ 4,900 | $ 1,700 | 
| Right-of-use assets in exchange of lease liabilities | 2,800 | |
| Gain on lease settlement, net | 0 | 0 | 
| Impairment charges | $ 0 | $ 0 | 
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- Definition Gain loss on lease settlement. No definition available. 
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- Definition The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available. 
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- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef 
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