Net (Loss) Income per Share - Computation of Basic and Diluted Net Loss per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Net Loss Per Share
Net loss - basic and diluted	$ (27,749)	$ (23,301)
Weighted-average common shares outstanding:
Basic	53,507,060	49,917,990
Diluted	53,507,060	49,917,990
Net loss per share:
Basic	$ (0.52)	$ (0.47)
Diluted	$ (0.52)	$ (0.47)