Annual report pursuant to Section 13 and 15(d)

Intangible Assets - Summary of Acquired Intangible Assets (Details)

v3.20.4
Intangible Assets - Summary of Acquired Intangible Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Finite-Lived Intangible Assets    
Weighted Average Life 12 years  
Gross Carrying Amount $ 215,261 $ 215,315
Accumulated Amortization $ 105,375 88,022
Patents    
Finite-Lived Intangible Assets    
Weighted Average Life 11 years  
Gross Carrying Amount $ 2,146 2,146
Accumulated Amortization $ 1,891 1,804
Non-compete Agreement    
Finite-Lived Intangible Assets    
Weighted Average Life 4 years  
Gross Carrying Amount $ 11,082 11,318
Accumulated Amortization $ 10,085 7,696
Trade Names    
Finite-Lived Intangible Assets    
Weighted Average Life 10 years  
Gross Carrying Amount $ 11,512 11,438
Accumulated Amortization $ 7,537 6,550
Completed and Unpatented Technology    
Finite-Lived Intangible Assets    
Weighted Average Life 9 years  
Gross Carrying Amount $ 48,043 48,201
Accumulated Amortization $ 25,766 21,196
Customer Relationships    
Finite-Lived Intangible Assets    
Weighted Average Life 15 years  
Gross Carrying Amount $ 142,478 142,212
Accumulated Amortization $ 60,096 $ 50,776