Restructuring charges - Narrative (Details) $ in Thousands			3 Months Ended			9 Months Ended
	Sep. 11, 2024 employee	Feb. 13, 2023	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, number of positions eliminated | employee	280
Restructuring and related cost, number of positions eliminated with no future service requirement percent	0.57
Expected restructuring charges			$ 18,000			$ 18,000
Restructuring charges			11,275	$ 0	$ 10,100	11,275	$ 10,263
Reduction in global workforce, percent		10.00%
Restricted Stock Units (RSUs)
Restructuring Cost and Reserve [Line Items]
Unrecognized compensation costs, excluding options			150,800			150,800
Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring charges			11,035	$ 0	8,900	$ 11,035	$ 9,055
Personnel-related costs			$ 9,900
Share-Based Payment Arrangement | Restricted Stock Units (RSUs)
Restructuring Cost and Reserve [Line Items]
Unrecognized compensation costs, excluding options					$ 1,200