Goodwill and other intangible assets (Tables)

9 Months Ended

Sep. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill

The change in the carrying amount of goodwill is as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
	(in thousands)
Goodwill, beginning of period	$	541,850	$	539,818	$	541,480	$	539,818
Goodwill acquired	310,833		—		311,203		—
Foreign currency translation adjustment	(6,626)		—		(6,626)		—
Goodwill, end of period	$	846,057	$	539,818	$	846,057	$	539,818

Schedule of Gross Carrying Amount and Accumulated Amortization of Intangible Assets Other Than Goodwill

The gross carrying amount and accumulated amortization of intangible assets other than goodwill are as follows:

	Useful Life	Gross Value		Accumulated Amortization		Net Carrying Value		Weighted‑ Average Remaining Useful Life
	(in thousands)
Trademarks	8 years	$	34,320	$	13,454	$	20,866	4.8 years
Customer relationships	2 ‑ 12 years	214,428		55,810		158,618		8.7 years
Developed technology	5 years	54,563		31,173		23,390		2.3 years
Non‑competes	2 years	90		86		4		0.1 years
Balance, December 31, 2020		$	303,401	$	100,523	$	202,878
Trademarks	3 - 8 years	$	34,690	$	16,683	$	18,007	4.1 years
Customer relationships	2 ‑ 12 years	249,483		70,239		179,244		8.5 years
Developed technology	5 - 6.5 years	116,158		41,956		74,202		5.2 years
Non‑competes	2 - 2.5 years	1,796		264		1,532		2.3 years
Order backlog	2.5 years	3,744		379		3,365		2.3 years
IPR&D	Indefinite	400		—		400
Balance, September 30, 2021		$	406,271	$	129,521	$	276,750

Schedule of Gross Carrying Amount and Accumulated Amortization of Intangible Assets Other Than Goodwill

The gross carrying amount and accumulated amortization of intangible assets other than goodwill are as follows:

	Useful Life	Gross Value		Accumulated Amortization		Net Carrying Value		Weighted‑ Average Remaining Useful Life
	(in thousands)
Trademarks	8 years	$	34,320	$	13,454	$	20,866	4.8 years
Customer relationships	2 ‑ 12 years	214,428		55,810		158,618		8.7 years
Developed technology	5 years	54,563		31,173		23,390		2.3 years
Non‑competes	2 years	90		86		4		0.1 years
Balance, December 31, 2020		$	303,401	$	100,523	$	202,878
Trademarks	3 - 8 years	$	34,690	$	16,683	$	18,007	4.1 years
Customer relationships	2 ‑ 12 years	249,483		70,239		179,244		8.5 years
Developed technology	5 - 6.5 years	116,158		41,956		74,202		5.2 years
Non‑competes	2 - 2.5 years	1,796		264		1,532		2.3 years
Order backlog	2.5 years	3,744		379		3,365		2.3 years
IPR&D	Indefinite	400		—		400
Balance, September 30, 2021		$	406,271	$	129,521	$	276,750

Schedule of Finite-Lived Intangible Assets, Future Amortization Expense

The expected future amortization expense as of September 30, 2021 for intangible assets acquired in connection with the Wandera acquisition is as follows:

Years ending December 31:
2021 (remaining three months)	$	3,725
2022	14,897
2023	14,897
2024	12,611
2025	12,544
Thereafter	39,652
Total amortization expense	$	98,326