Net Loss per Share - Summary of Basic and Diluted Loss Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Earnings Per Share [Abstract]
Net Loss	$ (100,217)	$ (45,593)	$ (41,246)
Deemed dividend from exchange of convertible preferred stock		(9,050)
Net loss attributable to common stockholders	$ (100,217)	$ (54,643)	$ (41,246)
Weighted average common shares outstanding, basic and diluted	47,989,023	17,349,582	1,698,522
Net loss per share, basic and diluted	$ (2.09)	$ (3.15)	$ (24.28)