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Supplemental cash flow disclosures - Summary Of Represents Supplemental Cash Flow Disclosures (Details) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022 | Mar. 31, 2021
Supplemental Cash Flow Elements [Abstract] |  |  |
Unpaid purchases of property and equipment | $ 206 | $ 138 | $ 820
Capitalized offering costs | (5,331) | 5,331 | 1,696
Legal settlement paid by Parent | 20,428 | 0 | 0
Paid-in-kind dividend for Series A redeemable preferred units | 21,427 | 0 | 0
Settlement of assets and liabilities with Parent | $ 52,529 | $ 0 | $ 0

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