Stockholders' equity - Schedule of Stock Option Activity (Details) - 2021 Stock incentive Plan $ / shares in Units, $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2024 USD ($) $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares
Options Outstanding
Outstanding, beginning balance (in shares) | shares	4,571,021
Granted (in shares) | shares	0
Exercised (in shares) | shares	(2,146,724)
Canceled (in shares) | shares	(57,277)
Outstanding, ending balance (in shares) | shares	2,367,020	4,571,021
Vested & expected to vest, awards outstanding (in shares) | shares	2,367,020
Exercisable, awards outstanding (in shares) | shares	2,353,087
Weighted Average Exercise Price
Outstanding, beginning balance (in dollars per share) | $ / shares	$ 5.08
Granted (in dollars per share) | $ / shares	0
Exercised (in dollars per share) | $ / shares	5.59
Canceled (in dollars per share) | $ / shares	8.15
Outstanding, ending balance (in dollars per share) | $ / shares	4.54	$ 5.08
Vested & expected to vest, weighted average exercise price (in dollars per share) | $ / shares	4.54
Exercisable, weighted average exercise price (in dollars per share) | $ / shares	$ 4.48
Outstanding, weighted average remaining contractual term	4 years 11 months 1 day	3 years 2 months 23 days
Outstanding, aggregate intrinsic value | $	$ 10,317	$ 44,309
Vested & expected to vest, weighted average remaining contractual term	4 years 11 months 1 day
Vested & expected to vest, aggregate intrinsic value | $	$ 10,317
Exercisable, weighted average remaining contractual term	4 years 10 months 28 days
Exercisable, aggregate intrinsic value | $	$ 10,317