Stockholders' equity - Schedule of Common Stock Reserved for Future Issuance (Details) - shares	Dec. 31, 2025	Dec. 31, 2024
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shares of common stock reserved (in shares)	34,589,026	30,710,794
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options outstanding (in shares)	940,908	1,401,086
RSU outstanding and PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs outstanding and PSUs (in shares)	15,485,131	15,809,202
2021 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options available for future issuance (in shares)	13,943,187	10,514,374
2021 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options available for future issuance (in shares)	4,219,800	2,986,132