Information about Geographic Areas and Products - Revenues by Geographic Area (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
|
Segment Reporting Information [Line Items] | |||
Revenues | $ 1,933,026 | $ 1,390,513 | $ 1,005,480 |
Revenues by geography | |||
Percentage of U.S. revenues in North America | 94.00% | 95.00% | 95.00% |
North America | |||
Segment Reporting Information [Line Items] | |||
Revenues | $ 1,299,950 | $ 946,956 | $ 702,985 |
EMEA | |||
Segment Reporting Information [Line Items] | |||
Revenues | 478,686 | 339,341 | 233,378 |
Asia Pacific and other | |||
Segment Reporting Information [Line Items] | |||
Revenues | $ 154,390 | $ 104,216 | $ 69,117 |