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v3.25.3

Convertible Debt (Details) - USD ($) |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 01, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2019
Debt Instrument [Line Items] |  |  |  |
Repayment of convertible senior notes |  | $ 0 | $ 16,415,000 |
6.50% Convertible Senior Notes Due 2024 | Convertible Debt |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt instrument, face amount |  |  |  | $ 78,500,000
Debt interest based on the fixed rate (in percent) |  |  |  | 6.50%
Proceeds from issuance of debt |  |  |  | $ 75,700,000
Repayment of convertible senior notes | $ 16,900,000 |  |  |
Non-cash interest expense |  |  | $ 178,000 |

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