Convertible Preferred Stock (Details) - USD ($) $ / shares in Units, $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)			23,946,403
Preferred stock, shares outstanding (in shares)	0	0	23,933,949
Carrying Value			$ 85,658
Par Value Per Share (in usd per share)			$ 0.0001
Preference Value			$ 86,000
Series 1 Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)			12,438,704
Preferred stock, shares outstanding (in shares)			12,433,953
Carrying Value			$ 39,658
Par Value Per Share (in usd per share)			$ 0.001
Preference Value			$ 40,000
Series 2 Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)			7,507,699
Preferred stock, shares outstanding (in shares)			7,499,996
Carrying Value			$ 30,000
Par Value Per Share (in usd per share)			$ 0.001
Preference Value			$ 30,000
Series 3 Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)			4,000,000
Preferred stock, shares outstanding (in shares)			4,000,000
Carrying Value			$ 16,000
Par Value Per Share (in usd per share)			$ 0.001
Preference Value			$ 16,000