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Income Taxes - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2021
Operating Loss Carryforwards [Line Items] |  |  |  |
Valuation allowance | $ 40,530 | $ 23,608 |  |
Net change in valuation allowance | 16,900 |  |  |
Net operating loss carryforwards | 10,998 | 4,216 |  |
Gross unrecognized tax benefits | 13,668 | 29,110 | $ 15,017 | $ 15,075
Net interest and penalties payable associated with uncertain tax positions | 1,100 | 2,500 |  |
Interest and penalties recognized | 1,400 | $ (1,000) | $ (600) |
Decrease in unrecognized tax benefits is reasonably possible | 3,000 |  |  |
U.S. |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Valuation allowance | 32,100 |  |  |
Net operating loss carryforwards | 35,900 |  |  |
Net operating loss carryforwards, subject to expiration | 33,000 |  |  |
Indefinite net operating losses | 2,900 |  |  |
Tax credit carryforwards, subject to expiration | 29,200 |  |  |
Deferred tax assets, gross, subject to valuation allowance | 28,800 |  |  |
Non-U.S. |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Valuation allowance | 8,400 |  |  |
Net operating loss carryforwards | 44,500 |  |  |
Tax credit carryforwards | $ 500 |  |  |

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