Stock-based compensation - Equity Incentive Plans (Details) - USD ($)		3 Months Ended	12 Months Ended
	Jul. 21, 2020	Jun. 30, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Jan. 01, 2024	Nov. 13, 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation			$ 97,390,000	$ 101,000,000	$ 109,170,000
Employee Stock Option, Target-Based
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award expiration period (in years)			10 years
Stock-based compensation		$ 33,000,000
Incremental compensation cost		$ 0
Return target options granted (in shares)			0	0	0
Options exercised			$ 3,955,000	$ 9,300,000	$ 7,900,000
Total fair value of return target options vested					$ 33,000,000
Remaining unrecognized compensation expense related to return target options			$ 0
Service-Based Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award expiration period (in years)			10 years
Return target options granted (in shares)			0	0	0
Options exercised			$ 4,001,000	$ 2,200,000	$ 11,200,000
Remaining unrecognized compensation expense related to return target options			$ 0
Vesting period (in years)			4 years
Service-Based Stock Option | Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)			1 year
Vesting (as percent)			25.00%
Service-Based Stock Option | Tranche Two
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)			1 year
Vesting (as percent)			25.00%
Service-Based Stock Option | Tranche Three
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)			1 year
Vesting (as percent)			25.00%
Service-Based Stock Option | Tranche Four
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)			1 year
Vesting (as percent)			25.00%
Unvested restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation					$ 4,500,000
Incremental compensation cost				$ 10,000,000
Weighted-average grant date fair value of RSUs granted (in dollars per share)			$ 17.47	$ 19.45	$ 27.50
Unrecognized compensation expense, RSUs			$ 177,200,000
Weighted average period over which unrecognized compensation expense would be recognized (in years)			2 years 6 months
Fair value of RSUs vested			$ 89,100,000	$ 74,000,000	$ 60,400,000
Omnibus Incentive Plan 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for issuance (in shares)	14,800,000					34,261,070
Share based compensation, number of shares reserved for issuance, period of increases (in years)	10 years
Share based compensation, increase in shares reserved for issuance, minimum percentage increase (as percent)	4.00%
Common stock reserved for additional grants under the plan (in shares)			14,170,433
Omnibus Incentive Plan 2020 | Unvested restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)			4 years
Stock Option Plan 2017
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized for issuance (in shares)							8,470,000
Common stock reserved for additional grants under the plan (in shares)			128,928