Stockholders' equity - Summary of Common Stock Reserved for Future Issuance (Details) - shares	Mar. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total shares of common stock reserved (in shares)	38,343,164	31,255,576
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options outstanding (in shares)	9,925,732	10,333,771
Restricted Stock Units RSU and Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
RSUs outstanding and PSUs (in shares)	17,713,184	16,178,101
2021 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options available for future issuance (in shares)	7,324,533	2,814,126
2021 Employee Stock Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options available for future issuance (in shares)	3,379,715	1,929,578

Aggregate number of common shares reserved for future issuance.

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Number of options outstanding, including both vested and non-vested options.

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