Goodwill and Intangible Assets

6 Months Ended

Jun. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Goodwill consists of the following (in thousands):


	Six Months Ended June 30, 2020		Year Ended December 31, 2019
Beginning balance	$	214,513	$	149,524
Additions due to acquisitions	70,167		65,181
Foreign currency translation adjustment	2		(192)
Ending balance	$	284,682	$	214,513

Intangible assets consist of the following (in thousands, except weighted-average amortization period):


	June 30, 2020
	Weighted-Average Amortization Period (in months)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Developed technologies and content library	72	$	66,628	$	(22,147)	$	44,481
Customer lists	47	16,190		(9,000)		7,190
Trade and domain names	44	11,613		(7,046)		4,567
Non-compete agreements	31	2,018		(1,938)		80
Indefinite-lived trade name	—	3,600		—		3,600
Foreign currency translation adjustment	—	(396)		—		(396)
Total intangible assets	64	$	99,653	$	(40,131)	$	59,522


	December 31, 2019
	Weighted-Average Amortization Period (in months)	Gross Carrying Amount		Accumulated Amortization		Net Carrying Amount
Developed technologies and content library	66	$	43,268	$	(18,395)	$	24,873
Customer lists	47	9,970		(8,210)		1,760
Trade and domain names	46	10,873		(6,169)		4,704
Non-compete agreements	31	2,018		(1,890)		128
Indefinite-lived trade name	—	3,600		—		3,600
Foreign currency translation adjustment	—	(398)		—		(398)
Total intangible assets	58	$	69,331	$	(34,664)	$	34,667

During the three and six months ended June 30, 2020, amortization expense related to our finite-lived intangible assets totaled approximately $3.0 million and $5.5 million, respectively. During the three and six months ended June 30, 2019, amortization expense related to our finite-lived intangible assets totaled approximately $1.7 million and $3.5 million, respectively.

As of June 30, 2020, the estimated future amortization expense related to our finite-lived intangible assets is as follows (in thousands):


Remaining six months of 2020	$	7,331
2021	13,691
2022	12,000
2023	8,760
2024	5,707
Thereafter	8,433
Total	$	55,922