Financial Statement Components - Additional Information (Detail) - USD ($) |
3 Months Ended | 9 Months Ended | ||
---|---|---|---|---|
Sep. 30, 2019 |
Sep. 30, 2018 |
Sep. 30, 2019 |
Sep. 30, 2018 |
|
Finite-Lived Intangible Assets [Line Items] | ||||
Depreciation and amortization | $ 7,300,000 | $ 4,800,000 | $ 19,600,000 | $ 13,900,000 |
Amortization expense of Intangible Assets | 2,300,000 | 1,000,000.0 | 6,500,000 | 3,300,000 |
Amortization of deferred sales commission costs | 8,000,000.0 | 5,300,000 | 21,189,000 | 13,956,000 |
Impairment loss in relation to costs capitalized | $ 0 | $ 0 | $ 0 | $ 0 |
Customer relationships | ||||
Finite-Lived Intangible Assets [Line Items] | ||||
Weighted average amortization periods | 3 years | |||
Developed technology | ||||
Finite-Lived Intangible Assets [Line Items] | ||||
Weighted average amortization periods | 2 years 3 months 18 days |