Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Reconciliation of Cash and Cash Equivalents

The following table reconciles cash, cash equivalents and restricted cash per the Consolidated Statements of Cash Flows:

	December 31,
	2021		2020
Cash and cash equivalents	$	1,713,387	$	100,311
Restricted cash	2,038		2,226
Total cash, cash equivalents and restricted cash	$	1,715,425	$	102,537

Reconciliation of Restricted Cash

The following table reconciles cash, cash equivalents and restricted cash per the Consolidated Statements of Cash Flows:

	December 31,
	2021		2020
Cash and cash equivalents	$	1,713,387	$	100,311
Restricted cash	2,038		2,226
Total cash, cash equivalents and restricted cash	$	1,715,425	$	102,537

Disclosure of Changes in Allowance for Doubtful Accounts

The following table presents the changes in our allowance for doubtful accounts for the period presented:

	December 31,
	2021		2020
Balance as of December 31, 2020	$	3,104	$	5,300
Bad debt expense, net of recoveries	9,207		11,089
Write-offs	(8,099)		(13,285)
Balance as of December 31, 2021	$	4,212	$	3,104

Schedule of Property and Equipment, Net

The estimated useful lives of property and equipment are as follows:

Property and Equipment Category	Useful Life
Computers and equipment	5 years
Furniture and fixtures	5 years
Leasehold improvements	Lesser of lease term or remaining useful life
Internal-use software	3 years

Property and equipment, net consisted of the following:

	December 31,
	2021		2020
Computers and equipment	$	487,484	$	442,778
Furniture and fixtures	1,511		1,511
Leasehold improvements	6,820		6,820
Internal-use software	68,321		61,640
Property and equipment, gross	$	564,136	$	512,749
Less: accumulated amortization	$	(49,268)	$	(36,186)
Less: accumulated depreciation	(265,225)		(237,607)
Property and equipment, net	$	249,643	$	238,956

Revenue by Geographic Areas

Revenue, as determined based on the billing address of the Company’s customers, was as follows:

	Year Ended December 31,
	2021		2020		2019
North America	38	%	38	%	38	%
Europe	30	%	30	%	30	%
Asia	22	%	22	%	24	%
Other	10	%	10	%	8	%
Total	100	%	100	%	100	%