Restructuring charges (Details) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
	Feb. 13, 2023	Sep. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Restructuring Cost and Reserve [Line Items]
Reduction in global workforce, percent	10.00%
Restructuring charges		$ 0	$ 10,100	$ 0	$ 10,263	$ 0
Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 0	8,900		$ 9,055
Share-Based Payment Arrangement
Restructuring Cost and Reserve [Line Items]
Restructuring charges			$ 1,200