Net Loss Per Share Attributable to Common Stockholders - Computation of 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	$ (60,492)	$ (7,374)
Denominator:
Weighted average shares used in the calculation of net loss per share, basic and diluted	13,110,713	2,115,770
Net loss per share, basic and diluted	$ (4.61)	$ (3.49)