Acquisitions, Intangible Assets and Goodwill (Tables)

12 Months Ended

Dec. 31, 2020

Acquisitions Intangible Assets And Goodwill [Abstract]

Schedule of Intangible Assets, net

As of December 31, 2020 and 2019, intangible assets, net consisted of the following:

	December 31, 2020							December 31, 2019
(in thousands)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Customer relationships	$	23,804	$	(12,448	)	$	11,356	$	25,594	$	(9,712	)	$	15,882
Trade name		2,824		(1,285	)		1,539		2,711		(763	)		1,948
Developed technology		20,881		(12,569	)		8,312		27,547		(12,227	)		15,320
Acquisition intangible assets, net	$	47,509	$	(26,302	)	$	21,207	$	55,852	$	(22,702	)	$	33,150

As of December 31, 2020 and 2019, capitalized internal-use software consisted of the following:

(in thousands)	December 31, 2020			December 31, 2019
Gross capitalized internal-use software	$	50,833		$	61,130
Less: Accumulated amortization		(21,371	)		(27,974	)
Capitalized internal-use software, net	$	29,462		$	33,156

Schedule of Carrying Amount of Goodwill

The changes in the carrying amount of goodwill were as follows (in thousands):

Balance as of December 31, 2018	$	336,861
Additions		125,981
Foreign currency translation		85
Balance as of December 31, 2019		462,927
Foreign currency translation		5,837
Balance as of December 31, 2020	$	468,764

Summary of Future Amortization Expense

As of December 31, 2020, future amortization expense by year is expected to be as follows:

(in thousands)	Capitalized internal-use software, net		Acquisition intangible assets, net
2021	$	10,950	$	10,299
2022		6,963		5,121
2023		1,584		1,928
2024		—		1,670
2025		—		1,389
Thereafter		—		800
Total amortization expense	$	19,497	$	21,207