Stock-Based Compensation - Stock-Based Compensation Expense Recognized in Company's Consolidated Statement of Operations (Details) - USD ($) $ in Thousands	1 Months Ended		12 Months Ended
	May 31, 2020	Mar. 31, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense			$ 363,774	$ 311,020	$ 236,539
Issuance of common stock (in shares)	2,587,500	2,985,575
RSUs
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense			330,077	289,426	217,541
RSAs
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense			10,067	$ 8,289	0
Issuance of common stock (in shares)				48,799
Employee stock purchase plan
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense			23,630	$ 13,305	18,998
Cost of revenues
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense			38,438	32,893	25,355
Sales and marketing
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense			79,144	72,895	56,719
General and administrative
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Stock-based compensation expense			$ 246,192	$ 205,232	$ 154,465