Condensed Consolidated Statements of Operations - (Parenthetical) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021
Stock-based compensation expense, including cash settled	[1]	$ 268,261	$ 202,999
Employer payroll tax on employee stock transactions		208,920	0
Amortization of intangible assets		13,417	364
Cost of revenue | Subscription
Stock-based compensation expense, including cash settled	[1]	4,544	2,624
Employer payroll tax on employee stock transactions		300
Amortization of intangible assets		7,572	266
Cost of revenue | Professional Services
Stock-based compensation expense, including cash settled	[1]	8,066	4,430
Employer payroll tax on employee stock transactions		400
Research and development
Stock-based compensation expense, including cash settled	[1]	41,275	21,332
Employer payroll tax on employee stock transactions		3,200
Sales and marketing
Stock-based compensation expense, including cash settled	[1]	49,053	22,777
Employer payroll tax on employee stock transactions		2,100
Amortization of intangible assets		5,527	51
General and administrative
Stock-based compensation expense, including cash settled	[1]	165,323	151,836
Employer payroll tax on employee stock transactions		6,000
Amortization of intangible assets		$ 318	$ 47

[1] During the three months ended March 31, 2022, employer payroll tax on employee stock transactions reported in cost of subscription revenue, cost of professional services and other revenue, research and development, sales and marketing, and general and administrative expense was $0.3 million, $0.4 million, $3.2 million, $2.1 million, and $6.0 million, respectively. Employer payroll tax on employee stock transactions was not material during the three months ended March 31, 2021.