Annual report pursuant to Section 13 and 15(d)

Basis of Presentation and Summary of Significant Accounting Policies - Revenue, etc. (Details)

v3.21.1
Basis of Presentation and Summary of Significant Accounting Policies - Revenue, etc. (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Basis of Presentation and Summary of Significant Accounting Policies    
Contract liabilities $ 0 $ 0
Vesting period 4 years  
Stock-based compensation $ 84,280 $ 1,873