Stock-Based Compensation - Summary of Stock Option Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Number of Options Outstanding, Beginning Balance	44,960
Number of Options, Granted	3,952,949
Number of Options, Forfeited	(25,000)
Number of Options Outstanding, Ending Balance	3,972,909	44,960
Options vested and exercisable at December 31, 2020	20,609
Weighted Average Exercise Price, Options outstanding at January 1, 2020	$ 3.01
Weighted Average Exercise Price, Granted	18.08
Weighted Average Exercise Price, Forfeited	27.97
Weighted Average Exercise Price, Options outstanding at December 31, 2020	17.84	$ 3.01
Weighted Average Exercise Price, Options vested and exercisable at December 31, 2020	$ 5.56
Weighted Average Contractual Life, Options outstanding	9 years 7 months 6 days	9 years 6 months
Weighted Average Contractual Life, Options vested and exercisable at December 31, 2020	8 years 10 months 24 days
Aggregate Intrinsic Value, Forfeited	$ 226
Aggregate Intrinsic Value, Options outstanding at December 31, 2020	81,822
Aggregate Intrinsic Value, Options vested and exercisable at December 31, 2020	$ 678