Net loss per share - Schedule of Earnings Per Share Basic and Diluted (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share Basic And Diluted [Abstract]
Net loss	$ (35,615)	$ (27,674)
Weighted average common stock outstanding, basic and diluted	42,511,559	37,434,261
Net loss per share - basic and diluted	$ (0.84)	$ (0.74)

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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