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Description of Business (Details) - $ / shares | 12 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Jun. 05, 2020
Access Industries |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |
Sale of stock, percentage of ownership after transaction (as a percent) | 98.00% |  |
Sale of stock, percentage of economic interest (as a percent) | 72.00% |  |
Class A Common Stock |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |
Common stock, par value (in dollars per share) | $ 0.001 | $ 0.001 |
Class A Common Stock | IPO |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |
Common stock, par value (in dollars per share) |  |  | $ 0.001
Class B Common Stock |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |
Common stock, par value (in dollars per share) | 0.001 | $ 0.001 |
Class B Common Stock | Access Industries |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |
Common stock, par value (in dollars per share) | $ 0.001 |  |

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- Definition Face amount or stated value per share of common stock. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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