Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Accounting Policies [Abstract]

Schedule of property and equipment

The useful lives of property and equipment are as follows:

Capitalized internal-use software development costs	3 years
Data center equipment	2 - 4 years
Office equipment	3 years
Furniture and fixtures	5 years
Software	3 years
Assets under financing lease	5 years or remaining lease term
Leasehold improvements	5 years or remaining lease term

The amortization of the capitalized software development costs was allocated as follows:

	Year Ended December 31,
	2019		2018		2017
	(In thousands)
Cost of revenue	$	9,546	$	6,898	$	4,788
Research and development	7,345		5,437		3,619
General and administrative	213		689		—
Total	$	17,104	$	13,024	$	8,407

Property and equipment consisted of the following:

	As of December 31,
	2019			2018
	(In thousands)
Capitalized internal-use software development costs	$	100,155		$	72,647
Data center equipment (1)	22,009			—
Leasehold improvements	55,886			15,293
Office equipment	25,083			13,563
Furniture and fixtures (1)	10,095			4,918
Software	9,176			1,849
Total property and equipment	222,404			108,270
Less: accumulated depreciation and amortization	(81,148		)	(44,736		)
Total property and equipment, net	$	141,256		$	63,534

_______________

⁽¹⁾    Data center equipment and furniture and fixtures contain assets under finance leases. See Note 5 for further detail.

Schedule of intangible assets

The useful lives of the intangible assets are as follows:

Developed technology	3 - 7 years
Customer relationships	2 - 8 years
Supplier relationships	2 - 5 years
Trade names	5 years
Patents	20 years
Telecommunication licenses	Indefinite
Trademarks	Indefinite
Domain names	Indefinite