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Goodwill and Intangible Assets - Additional Information (Details) - USD ($)
12 Months Ended
Nov. 30, 2019
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Intangible Assets And Goodwill [Line Items]        
Goodwill   $ 91,421,000 $ 48,382,000 $ 31,328,000
Impairment of goodwill $ 0 0 0 0
Amortization expense for intangible assets   10,400,000 5,900,000 3,300,000
Fully amortized intangible assets retired   5,300,000    
Developed Technology        
Intangible Assets And Goodwill [Line Items]        
Amortization expense for intangible assets   $ 2,100,000 $ 1,300,000 $ 1,100,000