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Goodwill and Acquired Intangible Assets, Net - Acquired Intangible Assets (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Acquired intangible assets, net:    
Cost $ 98,930 $ 98,930
Accumulated Amortization 74,741 67,814
Total expected future amortization expense 24,189 31,116
Developed technology    
Acquired intangible assets, net:    
Cost 22,396 22,396
Accumulated Amortization 20,646 20,029
Total expected future amortization expense 1,750 2,367
Customer relationships    
Acquired intangible assets, net:    
Cost 74,884 74,884
Accumulated Amortization 52,448 46,157
Total expected future amortization expense 22,436 28,727
Tradenames    
Acquired intangible assets, net:    
Cost 1,650 1,650
Accumulated Amortization 1,647 1,628
Total expected future amortization expense $ 3 $ 22