Income taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current
Federal	$ 0	$ 0	$ 0
State	0	0	0
International	1,271	221	15
Total current tax provision	1,271	221	15
Deferred
Federal	0	0	0
State	0	0	0
International	28	(36)	0
Total deferred tax provision	28	(36)	0
Provision for income taxes	$ 1,299	$ 185	$ 15