Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

The following table summarizes the changes in the Company’s goodwill balances as of December 31, 2018 and 2019:



	Web presence			Digital marketing			Total
	(in thousands)
Goodwill balance at December 31, 2017	$	1,246,277		$	604,305		$	1,850,582
Foreign translation impact	(1,517		)	—			(1,517		)
Goodwill balance at December 31, 2018	$	1,244,760		$	604,305		$	1,849,065
Goodwill related to 2019 acquisition	—			6,973			6,973
Goodwill related to 2019 divestiture	—			(7,864		)	(7,864		)
Foreign translation impact	(531		)	—			(531		)
Impairment	(12,333		)	—			(12,333		)
Goodwill balance at December 31, 2019	$	1,231,896		$	603,414		$	1,835,310

Summary of Other Intangible Assets

As of December 31, 2018, other intangible assets consisted of the following:



	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Weighted Average Useful Life
	(dollars in thousands)
Developed technology	$	284,266	$	180,914	$	103,352	7 years
Subscriber relationships	659,515		486,518		172,997		7 years
Tradenames	134,048		84,617		49,431		8 years
Intellectual property	34,263		28,954		5,309		5 years
Domain names available for sale	30,981		9,554		21,427		Indefinite
Total December 31, 2018	$	1,143,073	$	790,557	$	352,516

As of December 31, 2019, other intangible assets consisted of the following:



	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Weighted Average Useful Life
	(dollars in thousands)
Developed technology	$	280,330	$	207,844	$	72,486	7 years
Subscriber relationships	659,837		529,276		130,561		7 years
Tradenames	134,046		94,982		39,064		8 years
Intellectual property	34,263		31,372		2,891		5 years
Domain names available for sale	18,160		18,160		—		Indefinite
Total December 31, 2019	$	1,126,636	$	881,634	$	245,002

Summary of Expected Future Amortization of Other Intangible Assets

As of December 31, 2019, the expected future amortization of the other intangible assets, excluding indefinite life and in-process research and development intangibles, was approximately as follows:



	Amount
Year Ending December 31,	(in thousands)
2020	$	71,321
2021	61,322
2022	37,699
2023	18,178
2024	13,935
Thereafter	42,547
Total	$	245,002