v3.20.4
Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 226,471 $ 205,782
Accumulated Amortization 120,542 113,661
Net $ 105,929 $ 92,121
Domain Names    
Finite-Lived Intangible Assets [Line Items]    
Weighted-Average Remaining Useful Life - Years 1 year 7 months 6 days 2 years 7 months 6 days
Gross Carrying Amount $ 414 $ 5,414
Accumulated Amortization 283 5,200
Net $ 131 $ 214
Trademarks    
Finite-Lived Intangible Assets [Line Items]    
Weighted-Average Remaining Useful Life - Years   0 years
Gross Carrying Amount   $ 3,072
Accumulated Amortization   $ 3,072
Acquired Developed Technology    
Finite-Lived Intangible Assets [Line Items]    
Weighted-Average Remaining Useful Life - Years 3 years 2 months 12 days 3 years 7 months 6 days
Gross Carrying Amount $ 206,197 $ 175,414
Accumulated Amortization 111,129 95,921
Net $ 95,068 $ 79,493
Customer Relationships    
Finite-Lived Intangible Assets [Line Items]    
Weighted-Average Remaining Useful Life - Years   0 years
Gross Carrying Amount   $ 2,172
Accumulated Amortization   $ 2,172
Patents    
Finite-Lived Intangible Assets [Line Items]    
Weighted-Average Remaining Useful Life - Years 4 years 10 months 24 days 5 years 10 months 24 days
Gross Carrying Amount $ 19,860 $ 19,710
Accumulated Amortization 9,130 7,296
Net $ 10,730 $ 12,414