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Stock-based compensation - Changes in company RSU (Details) $ / shares in Units, $ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2021 USD ($) $ / shares shares
Number of Restricted Shares |
Ending balance (in shares) | shares | 15,975
Weighted Average Grant Date Fair Value |
Ending balance (in dollars per share) | $ / shares | $ 34.15
Weighted-average period | 3 years
Restricted stock units |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Vesting period (in years) | 4 years
Number of Restricted Shares |
Granted (in shares) | shares | 15,975
Weighted Average Grant Date Fair Value |
Granted (in dollars per share) | $ / shares | $ 34.15
Unrecognized compensation cost | $ | $ 0.5
Weighted-average period | 3 years 10 months 24 days

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