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Equity and Stock-Based Compensation - Summary of Stock Repurchase Plans (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
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Sep. 30, 2023 | Sep. 30, 2022
Equity, Class of Treasury Stock [Line Items] |  |
Amount Used for Repurchases |  | $ 4,115
2023 Stock Repurchase Plan |  |
Equity, Class of Treasury Stock [Line Items] |  |
Date Approved by Board | Feb. 07, 2023 |
Plan Term | 1 year |
Amount Authorized | $ 5,000 |
Amount Available for Repurchases | $ 5,000 |
2022 Stock Repurchase Plan |  |
Equity, Class of Treasury Stock [Line Items] |  |
Date Approved by Board | Feb. 10, 2022 |
Plan Term | 1 year |
Amount Authorized | $ 5,000 |
Amount Used for Repurchases | $ 1,400 |
Average Price Paid per Share | $ 9.78 |
Shares Repurchased | 143,430 |
Fiscal Year of Repurchases | 2022 |
2021 Stock Repurchase Plan |  |
Equity, Class of Treasury Stock [Line Items] |  |
Date Approved by Board | Feb. 09, 2021 |
Plan Term | 1 year |
Amount Authorized | $ 4,000 |
Amount Used for Repurchases | $ 2,700 |
Average Price Paid per Share | $ 9.31 |
Shares Repurchased | 291,383 |
Fiscal Year of Repurchases | 2022 |

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