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Summary of Significant Accounting Policies, Leases (Details) - USD ($) | 12 Months Ended
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Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2020
Leases [Abstract] |  |  |
Gain (loss) in foreign currency-denominated lease liabilities | $ 1,989,000 | $ 9,893,000 | $ (11,710,000)
Maximum [Member] |  |  |
Leases [Abstract] |  |  |
Lease renewal term | 5 years |  |

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918673-209980 + Details
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