Stockholders' equity - Narrative (Details) $ / shares in Units, $ in Thousands				3 Months Ended		6 Months Ended
	May 20, 2023 USD ($)	Jan. 01, 2023 shares	Aug. 24, 2021 $ / shares shares	Jun. 30, 2023 USD ($) $ / shares shares	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($) vote $ / shares shares	Jun. 30, 2022 USD ($) shares	Dec. 31, 2022 $ / shares shares	Oct. 29, 2021 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Preferred stock, shares authorized (in shares)				50,000,000		50,000,000		50,000,000
Preferred stock, par value (in dollars per share) | $ / shares				$ 0.00001		$ 0.00001		$ 0.00001
Number of votes per common stock | vote						1
Unrecognized compensation costs, options | $				$ 1,500		$ 1,500
Total shares of common stock reserved (in shares)				35,124,642		35,124,642		31,255,576
Stock-based compensation | $				$ 23,161	$ 14,732	$ 49,444	$ 28,074
Stock-based compensation capitalized as a software | $				$ 2,400	1,400	4,700	$ 2,600
Tender Offer to Sell Common Stock to an Investor
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation | $						$ 3,100
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual term (in years)						10 years
Award vesting period (in years)						4 years
Unrecognized compensation costs, period for recognition (in years)						8 months 12 days
Stock options outstanding (in shares)				8,836,101		8,836,101		10,333,771
Stock Appreciation Rights
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual term (in years)						10 years
Award vesting period (in years)						4 years
Granted (in shares)						0	0
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs, period for recognition (in years)						3 years
Unrecognized compensation costs, excluding options | $				$ 224,100		$ 224,100
Restricted stock issued for business combination, grant date fair value (in dollars per share) | $ / shares				$ 14.84		$ 14.84		$ 17.37
Restricted Stock Units (RSUs) | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)						3 years
Restricted Stock Units (RSUs) | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)						4 years
Performance-Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs, period for recognition (in years)						1 year 10 months 24 days
Granted (in shares)						645,833
Corporate performance metric attainment percentage				0.83		0.83
Number of shares right to receive (in shares)						1
Award vesting rights, percentage						75.00%
Unrecognized compensation costs, excluding options | $				$ 3,900		$ 3,900
Stock options outstanding (in shares)				50,000		50,000
Restricted stock issued for business combination, grant date fair value (in dollars per share) | $ / shares				$ 8.89		$ 8.89		$ 0
Performance-Based Awards | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage						0.00%
Performance-Based Awards | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage						150.00%
Contingently issuable shares under ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs, period for recognition (in years)						1 year 10 months 24 days
Unrecognized compensation costs, excluding options | $				$ 11,200		$ 11,200
Total shares of common stock reserved (in shares)		1,450,137							2,800,000
Minimum annual increase in shares reserved for issuance						1.00%
Shares issued (in shares)						625,111
Incremental compensation cost | $	$ 5,900
Percent of outstanding shares						300.00%
Restricted stock | CorpU
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs, period for recognition (in years)						1 year 2 months 12 days
Unrecognized compensation costs, excluding options | $				800		$ 800
Stock-based compensation | $				$ 100	$ 100	$ 300	$ 300
Restricted stock issued for business combination (in shares)			61,300
Restricted stock issued for business combination, grant date fair value (in dollars per share) | $ / shares			$ 34.14
2021 Stock incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares reserved for future issuance (in shares)				13,800,000		13,800,000
Annual percentage increase, term						0.05
Number of shares reserved for future issuance increased (in shares)		7,250,689
Granted (in shares)						0	0
Stock options outstanding (in shares)				8,786,101		8,786,101		10,283,771
Amended and Restated 2010 Equity Incentive Plan | Performance-Based Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock options outstanding (in shares)				19,791		19,791