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Accrued Severance and Other Related Charges - Narrative (Details) $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Nov. 01, 2024 USD ($) | Mar. 31, 2026 USD ($) | Mar. 31, 2025 USD ($) employee | Mar. 31, 2024 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance costs |  | $ 4,600 | $ 300 |
Accrued severance and other related charges |  | 2,810 | $ 2,265 | $ 0
Positions eliminated | employee |  |  | 7 |
Accrued severance and other related charges |  | $ 2,810 | $ 2,265 |
President and Chief Executive Officer |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Severance costs | $ 2,200 |  |  |
Arrangement with individual, compensation expense | $ 200 |  |  |
Severance costs, continued health care coverage | 18 months |  |  |
Severance and other related charges |  |  | 3,500 |
Accrued severance and other related charges |  |  | $ 2,000 |

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