Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation - Compensation expense (Details)

v3.21.1
Stock-Based Compensation - Compensation expense (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Stock Based Compensation    
Stock-based compensation $ 9,870 $ 1,801
Operating expense    
Stock Based Compensation    
Stock-based compensation 3 1
Selling, general and administrative    
Stock Based Compensation    
Stock-based compensation $ 9,867 $ 1,800