Stockholders' Equity - Schedule of Stock Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation	$ 50,217	$ 46,815	$ 146,901	$ 140,262
Provision for income taxes	(15,604)	(14,867)	(45,063)	(41,658)
Total stock-based compensation, net of income taxes	34,613	31,948	101,838	98,604
Cost of revenue
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation	6,384	5,555	18,374	16,917
Research and development
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation	12,722	12,842	36,336	36,943
Sales and marketing
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation	16,809	15,593	48,555	46,384
General and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation	$ 14,302	$ 12,825	$ 43,636	$ 40,018

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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