Income taxes - Schedule of Income Tax Rate Reconciliation (Details)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Statutory U.S. federal income tax rate	21.00%	21.00%	21.00%
State income tax benefit, net of federal tax effect	0.00%	1.20%	2.50%
Permanent differences	(0.20%)	(0.10%)	0.10%
Foreign rate differential	1.60%	1.00%	(0.60%)
Remeasurement gain/loss	0.00%	0.70%	0.00%
Tax credits	4.60%	3.20%	2.00%
Valuation allowance	(15.30%)	(19.80%)	(21.50%)
Stock-based compensation	(10.90%)	(6.10%)	(1.60%)
Transaction costs	(0.30%)	(0.20%)	(0.40%)
Deferred rate change	0.00%	0.00%	0.40%
Section 162(m)	(4.40%)	(1.40%)	(1.90%)
Foreign withholding taxes	(2.70%)	(1.30%)	(0.50%)
Other	0.90%	(0.30%)	1.10%
Effective tax rate	(5.70%)	(2.10%)	0.60%