Nature of Business and Basis of Presentation - Additional Information (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022 USD ($) ft² ClinicalTrial	Mar. 31, 2021 USD ($)	Dec. 31, 2021 USD ($)
Nature Of Business And Basis Of Presentation [Abstract]
Date of incorporation	Aug. 24, 2018
Number of clinical trials | ClinicalTrial	3
Area of building | ft²	147,215
Substantial doubt about going concern, within one year [true false]	true
Net loss	$ 62,867	$ 81,539	$ 100,118
Accumulated deficit	$ 722,552		$ 663,681