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Goodwill and Intangible Assets (Tables)
12 Months Ended
Dec. 31, 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, 2019$74,116 
Adjustments:
Dataxu working capital adjustment(1,058)
Balance as of December 31, 2020$73,058 
Additions:
This Old House acquisition46,671
Nielsen AVA business acquisition36,790
Other immaterial acquisition5,000
Balance as of December 31, 2021$161,519 
Summary of Intangible Assets
The following table is the summary of Company’s intangible assets (in thousands):
As of December 31, 2021
Gross
Carrying
Amount
Accumulated
Amortization
Net
Carrying
Amount
Weighted-Average Useful Lives
(in years)
Developed technology$73,367 $(25,350)$48,017 5.9
Customer relationships14,100 (7,395)6,705 4.0
Tradename20,400 (1,966)18,434 9.8
Patents4,076 (606)3,470 14.0
Intangible assets subject to amortization$111,943 $(35,317)$76,626 6.7
IPR&D technology7,500 — 7,500 
Total Intangible assets$119,443 $(35,317)$84,126 
 
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 relationships13,400 (3,908)9,492 4.0
Tradename400 (400)— 0.5
Patents4,076 (315)3,761 14.0
Total Intangible assets$80,243 $(18,062)$62,181 6.0
Schedule of Estimated Future Amortization Expense for Intangible Asset As of December 31, 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, 
2022$17,745 
202317,066
202414,275
202512,571
20264,074
Thereafter10,895
Total$76,626