Intangible Assets and Goodwill (Tables)

9 Months Ended

Sep. 30, 2021

Acquisitions Intangible Assets And Goodwill [Abstract]

Schedule of Intangible Assets, net

As of September 30, 2021 and December 31, 2020, intangible assets, net consisted of the following:

	September 30, 2021							December 31, 2020
(in thousands)	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount
Customer relationships	$	23,672	$	(15,287	)	$	8,385	$	23,804	$	(12,448	)	$	11,356
Trade name		2,752		(1,601	)		1,151		2,824		(1,285	)		1,539
Developed technology		20,216		(16,510	)		3,706		20,881		(12,569	)		8,312
Acquisition intangible assets, net	$	46,640	$	(33,398	)	$	13,242	$	47,509	$	(26,302	)	$	21,207

As of September 30, 2021 and December 31, 2020, capitalized internal-use software consisted of the following:

(in thousands)	September 30, 2021			December 31, 2020
Gross capitalized internal-use software	$	58,877		$	50,833
Less: Accumulated amortization		(30,308	)		(21,371	)
Capitalized internal-use software, net	$	28,569		$	29,462

Schedule of Carrying Amount of Goodwill

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

Balance as of December 31, 2020	$	468,764
Foreign currency translation		(3,688	)
Balance as of September 30, 2021	$	465,076

Summary of Future Amortization Expense

As of September 30, 2021, future amortization expense by year is expected to be as follows:

(in thousands)	Capitalized internal-use software, net		Acquisition intangible assets, net
Remainder of 2021	$	2,960	$	2,433
2022		8,560		5,040
2023		3,180		1,914
2024		649		1,666
2025		—		1,389
Thereafter		—		800
Total amortization expense	$	15,349	$	13,242