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Intangible Assets - Schedule of Intangible assets (Details) - USD ($) $ in Thousands | 6 Months Ended |
--- | --- | ---
Sep. 30, 2023 | Mar. 31, 2023
Business Acquisition [Line Items] |  |
Intangibles subject to amortization, Gross Carrying Amount | $ 25,800 |
Intangibles subject to amortization, Accumulated Amortization | 5,889 |
Intangibles subject to amortization, Net Carrying Amount | 19,911 |
Intangibles not subject to amortization, Gross Carrying Amount | 6,700 |
Intangibles not subject to amortization, Net Carrying Amount | 6,700 |
Other Intangible Assets, Net | $ 7,266 | $ 7,610
Customer Relationships [Member] |  |
Business Acquisition [Line Items] |  |
Intangibles subject to amortization, Weighted Average Amortization Period | 20 years |
Intangibles subject to amortization, Gross Carrying Amount | $ 11,800 |
Intangibles subject to amortization, Accumulated Amortization | 1,377 |
Intangibles subject to amortization, Net Carrying Amount | $ 10,423 | 10,718
Technology and Technical Know-How [Member] |  |
Business Acquisition [Line Items] |  |
Intangibles subject to amortization, Weighted Average Amortization Period | 20 years |
Intangibles subject to amortization, Gross Carrying Amount | $ 10,100 |
Intangibles subject to amortization, Accumulated Amortization | 1,178 |
Intangibles subject to amortization, Net Carrying Amount | $ 8,922 | $ 9,174
Backlog [Member] |  |
Business Acquisition [Line Items] |  |
Intangibles subject to amortization, Weighted Average Amortization Period | 4 years |
Intangibles subject to amortization, Gross Carrying Amount | $ 3,900 |
Intangibles subject to amortization, Accumulated Amortization | 3,334 |
Intangibles subject to amortization, Net Carrying Amount | $ 566 |
Tradename [Member] |  |
Business Acquisition [Line Items] |  |
Intangibles not subject to amortization, Weighted Average Amortization Period | Indefinite |
Intangibles not subject to amortization, Gross Carrying Amount | $ 6,700 |
Intangibles not subject to amortization, Net Carrying Amount | $ 6,700 |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-1 + Details
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