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Shareholders' Equity - Narrative (Details) $ / shares in Units, $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Dec. 18, 2023 USD ($) day $ / shares shares | Sep. 30, 2024 USD ($) vote $ / shares shares | Sep. 30, 2023 USD ($) $ / shares shares | Sep. 30, 2022 USD ($) | Dec. 10, 2020 USD ($)
Stockholders Equity Note [Line Items] |  |  |  |  |
Number of voting rights | vote |  | 1 |  |  |
Preferred stock, shares outstanding (in shares) |  | 0 | 676,000 |  |
Preferred stock, par value (in dollars per share) | $ / shares |  | $ 0.0001 | $ 0.0001 |  |
Preferred stock, shares issued (in shares) |  | 0 | 676,000 |  |
Common stock, par value (in dollars per share) | $ / shares |  | $ 0.0001 | $ 0.0001 |  |
Payments of dividends | $ |  | $ 1,097 | $ 5,069 | $ 5,159 |
Repurchase of common stock authorized by board of directors | $ |  |  |  |  | $ 35,000
Preferred stock, liquidation preference (in dollars per share) | $ / shares |  | $ 100 | $ 100 |  |
Common Stock |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Common stock, par value (in dollars per share) | $ / shares | $ 0 |  |  |  |
Preferred Stock |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Preferred stock, shares outstanding (in shares) |  |  | 675,885 |  |
Preferred stock, par value (in dollars per share) | $ / shares |  | $ 0.0001 |  |  |
Conversion trigger days | day | 20 |  |  |  |
Preferred stock, shares issued (in shares) | 33,300 |  | 675,885 |  |
Excise taxes and other professional service fees | $ | $ 300 |  |  |  |
Preferred stock cancelled and converted into the right to receive (in shares) | 30.03003 |  |  |  |
Preferred dividends payable | $ | $ 1,100 |  |  |  |
Preferred stock conversion of stock, shares converted (in shares) | 642,585 |  |  |  |
Preferred stock outstanding shares converted into common stock shares (in shares) | 19,296,843 |  |  |  |
Preferred stock voting cap, percentage | 25.00% |  |  |  |
Preferred stock rate |  | 7.50% |  |  |
Preferred stock, liquidation preference (in dollars per share) | $ / shares |  |  | $ 100 |  |
Preferred Stock | Preferred Stock Including Additional Paid in Capital |  |  |  |  |
Stockholders Equity Note [Line Items] |  |  |  |  |
Purchase price | $ | $ 11,300 |  |  |  |

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- Definition Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 505 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481520/505-30-50-4 + Details
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- Definition The number of shares converted in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-4 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-3 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482913/230-10-50-5 + Details
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