Reduction in workforce - Narrative (Details) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Sep. 30, 2024 USD ($) employee	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2023 USD ($)
Restructuring Cost and Reserve [Line Items]
Number of employees eliminated | employee	94
Plans to reduce workforce, as a percent	25.00%
Restructuring expenses		$ 2,811	$ 0	$ 2,811	$ 0
Restricted stock units
Restructuring Cost and Reserve [Line Items]
Non-cash stock based compensation expense	$ 300	$ 300		300
Employee Severance
Restructuring Cost and Reserve [Line Items]
Restructuring expenses				$ 2,543