Income Taxes - Summary of Company's Loss Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Domestic	$ (73,007)	$ (49,918)
Foreign	(1,227)	(2,021)
Loss before income tax benefit	$ (74,234)	$ (51,939)