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v3.21.1

Fair value of financial assets and liabilities (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Fair value of financial assets and liabilities |  |
Transfer from Leve 1 to Level 2, assets | $ 0 | $ 0
Transfer from Leve 2 to Level 1, assets | 0 | 0
Transfers into Level 3, assets | 0 | 0
Transfer out of Level 3, assets | 0 | 0
Transfer from Leve 1 to Level 2, liabilities | 0 | 0
Transfer from Leve 2 to Level 1, liabilities | 0 | 0
Transfers into Level 3, liabilities | 0 | 0
Transfer out of Level 3, liabilities | 0 | 0
Recurring |  |
Fair value of financial assets and liabilities |  |
Assets fair value | 444,518 | 145,767
Level 2 | Recurring |  |
Fair value of financial assets and liabilities |  |
Assets fair value | 444,518 | 145,767
Money market funds | Recurring |  |
Fair value of financial assets and liabilities |  |
Assets fair value | 150,734 | 36,712
Money market funds | Level 2 | Recurring |  |
Fair value of financial assets and liabilities |  |
Assets fair value | 150,734 | 36,712
Commercial paper | Recurring |  |
Fair value of financial assets and liabilities |  |
Assets fair value |  | 21,884
Commercial paper | Level 2 | Recurring |  |
Fair value of financial assets and liabilities |  |
Assets fair value |  | 21,884
US Treasury bonds | Recurring |  |
Fair value of financial assets and liabilities |  |
Assets fair value | 226,772 | 35,810
US Treasury bonds | Level 2 | Recurring |  |
Fair value of financial assets and liabilities |  |
Assets fair value | 226,772 | 35,810
US Government Agency bonds | Recurring |  |
Fair value of financial assets and liabilities |  |
Assets fair value | 67,012 | 15,295
US Government Agency bonds | Level 2 | Recurring |  |
Fair value of financial assets and liabilities |  |
Assets fair value | $ 67,012 | 15,295
Corporate debt securities | Recurring |  |
Fair value of financial assets and liabilities |  |
Assets fair value |  | 36,066
Corporate debt securities | Level 2 | Recurring |  |
Fair value of financial assets and liabilities |  |
Assets fair value |  | $ 36,066

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