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Summary of Significant Accounting Policies - Leases (Details) - USD ($) | 12 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2023
Summary of Significant Accounting Policies [Abstract] |  |  |
Gain (loss) in foreign currency-denominated lease liabilities | $ (11,713,000) | $ 5,187,000 | $ 6,515,000
Maximum [Member] |  |  |
Summary of Significant Accounting Policies [Abstract] |  |  |
Lease renewal term | 5 years |  |

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- Definition Amount of gain (loss) on the remeasurement of lease liabilities. + References No definition available. + Details
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- Definition Term of lessee's operating lease renewal, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 842 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478964/842-20-50-3 + Details
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