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Intangible Assets and Goodwill (Tables)
 9 Months Ended
Sep. 30, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of changes in carrying amount of goodwill The following tables present goodwill information for the nine months ended September 30, 2021:
(In thousands)As of December 31, 2020
Adjustment to Goodwill (1)
As of September 30, 2021
Total goodwill$183,222 $95,869 $279,091 
_________________________________________
(1)    In July 2021, the Company acquired AnalogX Inc. (“AnalogX”) and in August 2021, the Company acquired PLDA, which resulted in the Company recognizing additional goodwill. Refer to Note 17, “Acquisitions,” for additional information.
As of September 30, 2021
(In thousands)Gross Carrying AmountAccumulated Impairment LossesNet Carrying Amount
Total goodwill$300,861 $(21,770)$279,091 
Components of intangible assets
The components of the Company’s intangible assets as of September 30, 2021 and December 31, 2020 were as follows:
  As of September 30, 2021
(In thousands)Useful Life
Gross Carrying
 Amount (1)
Accumulated
 Amortization (1)
Net Carrying
 Amount
Existing technology3 to 10 years$292,058 $(243,728)$48,330 
Customer contracts and contractual relationships0.5 to 10 years37,793 (34,892)2,901 
Non-compete agreements and trademarks3 years300 (300)— 
In-process research and developmentNot applicable11,200 — 11,200 
Total intangible assets $341,351 $(278,920)$62,431 
_________________________________________
(1)    In July 2021, the Company acquired AnalogX and in August 2021, the Company acquired PLDA, which resulted in the Company recognizing additional intangible assets. Refer to Note 17, “Acquisitions,” for additional information.
  As of December 31, 2020
(In thousands)Useful Life
Gross Carrying
 Amount
Accumulated
 Amortization
Net Carrying
 Amount
Existing technology3 to 10 years$263,789 $(230,950)$32,839 
Customer contracts and contractual relationships0.5 to 10 years36,293 (34,245)2,048 
Non-compete agreements and trademarks3 years300 (300)— 
In-process research and development (“IPR&D”)Not applicable1,600 — 1,600 
Total intangible assets $301,982 $(265,495)$36,487 
Estimated future amortization of intangible assets
The estimated future amortization of intangible assets as of September 30, 2021 was as follows (in thousands):
Years Ending December 31:Amount
2021 (remaining three months)$4,010 
202214,508 
202313,491 
202411,180 
20255,180 
Thereafter2,862 
Total amortizable purchased intangible assets51,231 
IPR&D11,200 
Total intangible assets$62,431