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Goodwill and Intangible Assets - Intangible Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Intangible assets    
Average Remaining Amortization Period 5 years  
Total definite-lived intangible assets $ 33,905  
Total Gross Intangible Assets 508,969 $ 508,969
Accumulated Amortization and Impairment 475,064 462,784
Total Net Intangible Assets $ 33,905 46,185
Technology    
Intangible assets    
Average Remaining Amortization Period 3 years 7 months 6 days  
Gross Carrying Amount, Definite-lived intangible assets $ 327,908 327,908
Accumulated Amortization and Impairment, Definite-lived intangible assets 310,551 302,358
Total definite-lived intangible assets $ 17,357 25,550
Customer relationship    
Intangible assets    
Average Remaining Amortization Period 7 years 3 months 18 days  
Gross Carrying Amount, Definite-lived intangible assets $ 146,465 146,465
Accumulated Amortization and Impairment, Definite-lived intangible assets 132,970 130,131
Total definite-lived intangible assets $ 13,495 16,334
Trademarks and tradenames    
Intangible assets    
Average Remaining Amortization Period 2 years 6 months  
Gross Carrying Amount, Definite-lived intangible assets $ 30,910 30,910
Accumulated Amortization and Impairment, Definite-lived intangible assets 27,857 26,614
Total definite-lived intangible assets 3,053 4,296
Other Intangible Assets    
Intangible assets    
Gross Carrying Amount, Definite-lived intangible assets 3,686 3,686
Accumulated Amortization and Impairment, Definite-lived intangible assets $ 3,686 3,681
Total definite-lived intangible assets   $ 5