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Equity - Employee Stock Purchase Plan Valuation Assumptions (Details) - Employee Stock
9 Months Ended
Dec. 31, 2021
$ / shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Expected volatility, minimum 103.60%
Risk free interest rate, minimum 0.05%
Expected dividend 0.00%
Minimum  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Fair value of common stock (in dollars per share) $ 73.73
Expected term 3 months 14 days