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Stockholders' Equity - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2026 | Dec. 31, 2025 | Mar. 31, 2026 | Mar. 31, 2025 | Nov. 17, 2025 | Sep. 30, 2025
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |
Remaining shares reserved for issuance | 3,325,286 |  | 3,325,286 |  |  |
Shares repurchased | 1,430 |  | 56,676 |  |  |
Common stock repurchases | $ 40 | $ 1,473 |  | $ 1,500 |  |
Remaining repurchase amount | $ 15,000 |  | $ 15,000 |  |  | $ 1,500
Stock redeemed or called during period (in shares) |  |  | 3,519 | 1,397 |  |
Common stock surrendered in the exercise of stock options (in shares) |  |  | 3,519 | 1,397 |  |
Minimum |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |
Shares available for issuance | 22,800,000 |  | 22,800,000 |  |  |
Shares and options vesting period |  |  | 1 year |  |  |
Maximum |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |
Shares available for issuance | 25,725,000 |  | 25,725,000 |  |  |
Shares and options vesting period |  |  | 4 years |  |  |
Common stock repurchases | $ 100 |  |  |  |  |
November 17, 2025, Stock Repurchase Plan |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |
Remaining repurchase amount |  |  |  |  | $ 15,000 |
Stock Option - Service Based | Minimum |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |
Shares and options vesting period |  |  | 1 year |  |  |
Stock Option - Service Based | Maximum |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] |  |  |  |  |  |
Shares and options vesting period |  |  | 4 years |  |  |

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