Net loss per common share - Schedule of Earnings Per Share, Basic and Diluted, Two Class Method (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Numerator:
Net loss	$ (10,199)	$ (72,878)	$ (23,913)	$ (80,299)
Net loss allocated to common shareholders	$ (10,199)	$ (72,878)	$ (23,913)	$ (80,299)
Denominator:
Weighted average shares used to compute loss per share attributable to common shareholders, basic (in shares)	43,441,219	42,460,189	43,235,558	42,238,355
Net loss per share attributable to common shareholders, basic (in dollars per share)	$ (0.23)	$ (1.72)	$ (0.55)	$ (1.90)