Segment Reporting and Information about Geographic Areas - Schedule of Long-Lived Assets by Geographic Area (Detail) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Long-lived Assets | $ 11,902,839 | $ 3,403,334 |
| United States [Member] | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Long-lived Assets | 11,399,545 | 3,119,478 |
| International [Member] | ||
| Revenues from External Customers and Long-Lived Assets [Line Items] | ||
| Long-lived Assets | $ 503,294 | $ 283,856 |