Stock-based compensation - Summary of RSU Activity (Details) $ / shares in Units, $ in Millions	3 Months Ended
	Jun. 30, 2024 USD ($) $ / shares shares
Weighted Average Grant Date Fair Value
Total unrecognized compensation cost | $	$ 34.5
Expenses expected to be recognized over a weighted average remaining period	2 years 9 months 18 days
Restricted and performance stock units
Number of Restricted Shares
Outstanding as of March 31, 2021 (in shares) | shares	2,397,890
Granted (in shares) | shares	1,560,527
Vested (in shares) | shares	(463,841)
Cancelled (in shares) | shares	(124,393)
Outstanding as of June 30, 2021 (in shares) | shares	3,370,183
Weighted Average Grant Date Fair Value
Outstanding as of March 31, 2021 (in dollars per share) | $ / shares	$ 17.97
Granted (in dollars per share) | $ / shares	7.72
Vested (in dollars per share) | $ / shares	22.03
Cancelled (in dollars per share) | $ / shares	15.23
Outstanding as of June 30, 2021 (in dollars per share) | $ / shares	$ 12.77