Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Schedule of Stock Based Compensation (Details)

v3.20.4
Summary of Significant Accounting Policies - Schedule of Stock Based Compensation (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Summary Of Significant Accounting Policies [Line Items]      
Total stock-based compensation expense $ 43,532 $ 42,940 $ 36,349
Cost of revenues      
Summary Of Significant Accounting Policies [Line Items]      
Total stock-based compensation expense 3,707 3,083 2,955
Sales and marketing      
Summary Of Significant Accounting Policies [Line Items]      
Total stock-based compensation expense 9,482 9,716 6,892
Research and development      
Summary Of Significant Accounting Policies [Line Items]      
Total stock-based compensation expense 12,168 10,521 8,120
General and administrative      
Summary Of Significant Accounting Policies [Line Items]      
Total stock-based compensation expense 18,175 19,620 18,382
Stock options      
Summary Of Significant Accounting Policies [Line Items]      
Total stock-based compensation expense 41,479 40,936 34,773
Employee stock purchases      
Summary Of Significant Accounting Policies [Line Items]      
Total stock-based compensation expense $ 2,053 $ 2,004 $ 1,576