Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2021

Goodwill And Intangible Assets Disclosure [Abstract]

Schedule of Carrying Value of Goodwill

The following table reflects the carrying value of goodwill (in thousands):

	Carrying Value
Balance as of December 31, 2020	$	73,058
Additions:
This Old House acquisition		46,671
Nielsen AVA business acquisition		22,055
Other immaterial acquisitions		5,000
Balance as of June 30, 2021	$	146,784

Summary of Intangible Assets

The following table is the summary of the Company’s intangible assets (in thousands, except years):

	As of June 30, 2021
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted-Average Useful Lives (in years)
Developed technology	$	76,567	$	(19,366	)	$	57,201		5.9
IPR&D technology		8,500		—			8,500		5.3
Customer relationships		14,100		(5,633	)		8,467		4.0
Tradename		20,400		(966	)		19,434		9.8
Patents		4,076		(460	)		3,616		14.0
Intangible assets	$	123,643	$	(26,425	)	$	97,218		6.6

	As of December 31, 2020
	Gross Carrying Amount		Accumulated Amortization			Net Carrying Amount		Weighted-Average Useful Lives (in years)
Developed technology	$	62,367	$	(13,439	)	$	48,928		5.9
Customer relationships		13,400		(3,908	)		9,492		4.0
Tradename		400		(400	)		—		0.5
Patents		4,076		(315	)		3,761		14.0
Intangible assets	$	80,243	$	(18,062	)	$	62,181		6.0

Schedule of Estimated Future Amortization Expense for Intangible Assets

As of June 30, 2021, the estimated future amortization expense for intangible assets for the next five years and thereafter is as follows (in thousands):

Year Ending December 31,
2021 (remaining 6 months)	$	9,291
2022		19,897
2023		19,219
2024		16,427
2025		14,724
Thereafter		17,660
Total	$	97,218