Stock-based compensation - Schedule of Return Target and Service Based Options Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Target-Based Stock Options
Options
Outstanding, beginning of period (in shares)	2,594,622
Exercised (in shares)	(329,347)
Outstanding, end of period (in shares)	2,265,275	2,594,622
Options exercisable (in shares)	2,265,275
Vested or expected to vest (in shares)	2,265,275
Weighted- Average Exercise Price
Outstanding, beginning of period (in dollars per share)	$ 6.61
Exercised (in dollars per share)	6.30
Outstanding, end of period (in dollars per share)	6.66	$ 6.61
Options exercisable (in dollars per share)	6.66
Vested or expected to vest (in dollars per share)	$ 6.66
Weighted- Average Remaining Contractual Term (Years)
Remaining term, options outstanding (in years)	3 years 8 months 12 days	4 years 3 months 18 days
Remaining term, options exercisable (in years)	3 years 8 months 12 days
Remaining term, options vested or expected to vest (in years)	3 years 8 months 12 days
Aggregate Intrinsic Value (in thousands)
Outstanding	$ 16,740	$ 29,697
Exercised	3,955	$ 9,300	$ 7,900
Options exercisable	16,740
Vested or expected to vest	$ 16,740
Service-Based Stock Option
Options
Outstanding, beginning of period (in shares)	1,048,885
Exercised (in shares)	(291,542)
Outstanding, end of period (in shares)	757,343	1,048,885
Options exercisable (in shares)	757,343
Vested or expected to vest (in shares)	757,343
Weighted- Average Exercise Price
Outstanding, beginning of period (in dollars per share)	$ 5.54
Exercised (in dollars per share)	5.61
Outstanding, end of period (in dollars per share)	5.52	$ 5.54
Options exercisable (in dollars per share)	5.52
Vested or expected to vest (in dollars per share)	$ 5.52
Weighted- Average Remaining Contractual Term (Years)
Remaining term, options outstanding (in years)	3 years	3 years 2 months 12 days
Remaining term, options exercisable (in years)	3 years
Remaining term, options vested or expected to vest (in years)	3 years
Aggregate Intrinsic Value (in thousands)
Outstanding	$ 6,464	$ 13,129
Exercised	4,001	$ 2,200	$ 11,200
Options exercisable	6,464
Vested or expected to vest	$ 6,464