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Related Party Transactions - Capital Contribution (Details) - USD ($) $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Apr. 27, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2017 | Apr. 16, 2018
Related Party Transaction [Line Items] |  |  |  |  |
Capital contribution received from noncontrolling interest |  | $ 0 | $ 1,000 | $ 0 |
Affiliated Entity | Citree |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Additional cash capital contribution required |  |  |  |  | $ 2,041
Contribution funded by the Company | $ 1,041 |  |  |  |
Capital contribution received from noncontrolling interest | $ 1,000 |  |  |  |

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- Definition The cash inflow associated with the amount received by a corporation from a shareholder during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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- Definition Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585 + Details
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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. + References No definition available. + Details
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- Details
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