Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets, Net (Tables)

v3.21.1
Intangible Assets, Net (Tables)
 3 Months Ended
Mar. 31, 2021
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of components of intangible assets, net
Intangible assets, net consisted of the following:
  March 31, 2021 December 31, 2020
  Gross   Net Gross   Net
  Carrying Accumulated Carrying Carrying Accumulated Carrying
  Amount Amortization Amount Amount Amortization Amount
(in thousands)
Customer lists $ 591,520  $ (210,466) $ 381,054  $ 591,520  $ (198,555) $ 392,965 
Proprietary technologies 78,424  (29,334) 49,090  54,914  (26,949) 27,965 
Trade names 33,700  (20,821) 12,879  33,700  (19,589) 14,111 
Total intangible assets $ 703,644  $ (260,621) $ 443,023  $ 680,134  $ (245,093) $ 435,041 
Schedule of amortization expense
Amortization expense was as follows:
  Three Months Ended
  March 31,
  2021 2020
(in thousands)
Amortization expense $ 16,478  $ 18,758