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Summary of Significant Accounting Policies - Valuation Allowance (Details) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2026 | Mar. 31, 2025
Change in Valuation Allowance [Roll Forward] |  |
Balance at beginning of the year | $ 90,278 | $ 89,742
Charged to costs and expenses | (283) | 325
Changes in net loss carryforward and other | (18,859) | 211
Balance at end of the year | $ 71,136 | $ 90,278

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- Definition Deferred Tax Assets, Valuation Allowance, Charged (Credited) To Costs And Expenses + References No definition available. + Details
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- Definition Deferred Tax Assets, Valuation Allowance, Other Adjustments + References No definition available. + Details
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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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