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Leases - Additional Information (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2021 USD ($) OperatingRightOfUseAsset | Jun. 30, 2020 USD ($) | Jun. 30, 2021 USD ($) OperatingRightOfUseAsset | Jun. 30, 2020 USD ($)
Leases [Line Items] |  |  |  |
Trade accounts receivables included lease receivables | $ 4,800 |  | $ 4,800 |
Rental revenue | 5,404 | $ 15,728 | 9,430 | $ 40,740
Future minimum lease payments to be received | $ 6,400 |  | $ 6,400 |
Maximum |  |  |  |
Leases [Line Items] |  |  |  |
Lease term | 6 months |  | 6 months |
Austin, Texas |  |  |  |
Leases [Line Items] |  |  |  |
Number of operating right-of use asset related to leased facility | OperatingRightOfUseAsset | 2 |  | 2 |

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- Definition Number of operating right-of use asset related to leased facility. + References No definition available. + Details
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- Definition Trade accounts receivables included lease receivables. + References No definition available. + Details
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- Definition Amount of lease payments to be received by lessor for operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121576215&loc=SL77919396-209981 + Details
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- Definition Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=121576215&loc=SL77919359-209981 + Details
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- Definition The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121549951&loc=d3e39896-112707 + Details
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