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Related Party Transactions - Capital Contribution (Details) - USD ($) $ in Thousands |  |  | 12 Months Ended |  |
--- | --- | --- | --- | --- | ---
Jun. 22, 2023 | Sep. 22, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2021 | Jun. 06, 2023 | Sep. 06, 2022
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Capital contribution received from noncontrolling interest |  |  | $ 440 | $ 294 |  |  |
Capital contribution received from noncontrolling interest |  |  | $ 441 | $ 294 | $ 0 |  |
Related Party | Citree |  |  |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |  |  |
Additional contribution required |  |  |  |  |  | $ 900 |
Contribution funded by the Company | $ 460 | $ 306 |  |  |  |  |
Additional cash capital contribution required |  |  |  |  |  |  | $ 600
Capital contribution received from noncontrolling interest | $ 440 | $ 294 |  |  |  |  |

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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 Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(2)(c)(2)(i)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(2)(c)(2)(ii)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-07(2)(g)(3)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1 + Details
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