Net Loss Per Share - Basic And Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Numerator:
Net loss	$ (40,342)	$ (102,357)	$ (102,357)
Net loss attributable to ordinary shareholders - basic	(40,342)	(102,357)
Net loss attributable to ordinary shareholders - diluted	$ (40,342)	$ (102,357)
Denominator:
Weighted-average number of common shares used in net loss per share - basic (in shares)	94,300,245	36,463,696
Weighted-average number of common shares used in net loss per share - diluted (in shares)	94,300,245	36,463,696
Net loss per share - basic (in dollars per share)	$ (0.43)	$ (2.81)
Net loss per share - diluted (in dollars per share)	$ (0.43)	$ (2.81)