Stockholders' equity - Narrative (Details) $ / shares in Units, $ in Thousands				3 Months Ended			9 Months Ended
	May 20, 2023 USD ($)	Jan. 01, 2023 shares	Aug. 24, 2021 $ / shares shares	Sep. 30, 2023 USD ($) $ / shares shares	Mar. 31, 2023 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) vote $ / shares shares	Sep. 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 | $				$ 900			$ 900
Total shares of common stock reserved (in shares)				32,308,724			32,308,724		31,255,576
Stock-based compensation | $				$ 23,484		$ 24,969	$ 72,928	$ 53,043
Stock-based compensation capitalized as a software | $				$ 2,100		1,600	$ 6,800	$ 4,200
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)							7 months 6 days
Stock options outstanding (in shares)				7,569,747			7,569,747		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)							2 years 9 months 18 days
Unrecognized compensation costs, excluding options | $				$ 212,700			$ 212,700
Restricted stock issued for business combination, grant date fair value (in dollars per share) | $ / shares				$ 14.31			$ 14.31		$ 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 8 months 12 days
Granted (in shares)							645,833
Number of shares right to receive (in shares)							1
Award vesting rights, percentage							75.00%
Corporate performance metric attainment percentage				0.79			0.79
Unrecognized compensation costs, excluding options | $				$ 3,100			$ 3,100
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 | Share-based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage							25.00%
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 7 months 6 days
Unrecognized compensation costs, excluding options | $				$ 9,200			$ 9,200
Total shares of common stock reserved (in shares)		1,450,137								2,800,000
Minimum annual increase in shares reserved for issuance							1.00%
Percent of outstanding shares							300.00%
Shares issued (in shares)							625,111
Incremental compensation cost | $	$ 5,900
Restricted stock | CorpU
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs, period for recognition (in years)							10 months 24 days
Unrecognized compensation costs, excluding options | $				600			$ 600
Stock-based compensation | $				$ 200		$ 200	$ 500	$ 500
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)				7,519,747			7,519,747		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)				22,916			22,916