Net loss per share - Schedule of Earnings Per Share Basic and Diluted (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share, Basic and Diluted [Abstract]
Net loss	$ (19,924)	$ (29,818)	$ (55,539)	$ (57,492)
Weighted average common stock outstanding, basic and diluted	42,665,598	37,619,039	42,590,479	37,526,650
Net loss per share - basic and diluted	$ (0.47)	$ (0.79)	$ (1.30)	$ (1.53)