Net Loss Per Share - Summary of Computation of Company's Basic and Diluted Net Loss per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Numerator:
Net loss	$ (30,359)	$ (19,595)
Denominator:
Shares issued in computing net loss per share, basic and diluted	45,907,590	23,197,971
Net loss per share, basic and diluted	$ (0.66)	$ (0.84)