Quarterly report pursuant to Section 13 or 15(d)

Intangible Assets, Net - Intangible Assets, Net (Details)

v3.21.1
Intangible Assets, Net - Intangible Assets, Net (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 703,644 $ 680,134
Accumulated Amortization (260,621) (245,093)
Net Carrying Amount 443,023 435,041
Customer lists    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 591,520 591,520
Accumulated Amortization (210,466) (198,555)
Net Carrying Amount 381,054 392,965
Proprietary technologies    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 78,424 54,914
Accumulated Amortization (29,334) (26,949)
Net Carrying Amount 49,090 27,965
Trade names    
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount 33,700 33,700
Accumulated Amortization (20,821) (19,589)
Net Carrying Amount $ 12,879 $ 14,111