Stockholders' equity - RSU and PSU Activity (Details) - $ / shares	1 Months Ended	3 Months Ended		6 Months Ended
	Feb. 29, 2024	Mar. 31, 2024	Mar. 31, 2023	Jun. 30, 2024
Restricted Stock Units (RSUs)
Outstanding
Unvested beginning balance (in shares)		15,769,577		15,769,577
Granted (in shares)				6,316,311
Released (in shares)				(3,241,601)
Canceled (in shares)				(1,127,093)
Unvested ending balance (in shares)				17,717,194
Weighted Average Grant Date Fair Value
Unvested beginning balance (in dollars per share)		$ 14.07		$ 14.07
Granted (in dollars per share)				10.04
Released (in dollars per share)				15.19
Canceled (in dollars per share)				14.80
Unvested ending balance (in dollars per share)				$ 12.39
Awards vested, not yet released (in shares)				8,276
Awards vested, not yet released (in dollars per share)				$ 9.66
Performance-Based Awards
Outstanding
Unvested beginning balance (in shares)		645,833		645,833
Granted (in shares)	450,170	553,568	645,833	553,568
Released (in shares)				(140,684)
Canceled (in shares)				(235,596)
Unvested ending balance (in shares)				823,121
Weighted Average Grant Date Fair Value
Unvested beginning balance (in dollars per share)		$ 8.89		$ 8.89
Granted (in dollars per share)				10.98
Released (in dollars per share)				8.89
Canceled (in dollars per share)				8.89
Unvested ending balance (in dollars per share)				$ 10.30
Awards vested, not yet released (in shares)				0
Awards vested, not yet released (in dollars per share)				$ 0