Organization and Description of Business - Additional Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) Segment	Dec. 31, 2020 USD ($)
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Date of incorporation	May 02, 2018
Number of operating segments | Segment	1
Accumulated deficit	$ 223,703	$ 173,171
Cash, cash equivalents and investments	$ 213,100