Goodwill and Acquired Intangible Assets

3 Months Ended

Mar. 31, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

The change in the carrying amount of goodwill for the three months ended March 31, 2020 was as follows (in thousands):


Balance as of January 1, 2020	$	1,600,265

Measurement period adjustments related to acquisitions completed in prior years	(1,056)
Foreign currency translation	(5,012)
Balance as of March 31, 2020	$	1,594,197

The Company tests goodwill for impairment at least annually. Through the date the consolidated financial statements were issued, no triggering events had occurred that would indicate a potential impairment exists.

Acquired intangible assets that are subject to amortization consisted of the following as of March 31, 2020 and December 31, 2019 (in thousands):


	March 31, 2020										December 31, 2019
	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Completed technology	$	153,972	$	(98,349)	$	55,623	$	153,722	$	(94,088)	$	59,634
Customer-related intangible assets	315,837		(168,943)		146,894		279,684		(163,155)		116,529
Non-compete agreements	823		(594)		229		830		(529)		301
Trademarks and trade names	7,555		(4,815)		2,740		7,600		(4,633)		2,967
Acquired license rights	490		(490)		—		490		(490)		—
Total	$	478,677	$	(273,191)	$	205,486	$	442,326	$	(262,895)	$	179,431

Aggregate expense related to amortization of acquired intangible assets for the three months ended March 31, 2020 and 2019 was $10.4 million and $9.6 million, respectively. Based on the Company’s acquired intangible assets as of March 31, 2020, aggregate expense related to amortization of acquired intangible assets is expected to be $31.4 million for the remainder of 2020, and $43.0 million, $37.3 million, $28.9 million and $20.5 million for 2021, 2022, 2023 and 2024, respectively.