Fair value measurements - Schedule of Reconciliation of Changes in Level 3 of Private Warrants (Details) - Level 3 - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	$ 47,615	$ 1,325
Change in fair value		35,953
Ending Balance		47,615
Public warrants
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Beginning Balance	47,615
Change in fair value	63,526
Cashless exercise of warrants	(111,141)
Ending Balance	$ 0	$ 47,615